OCS - Medbridge practice exam 2 Questions Solved (Verified Answers) Latest Update 2023, Exams of Nursing

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Sutlive CPR for Dx of Hip OA in individuals with unilateral hip pain - Correct Answers ✅(1) self-reported squatting as an aggravating factor (2) active hip flexion causing lateral hip pain (3) scour test with adduction causing lateral hip or groin pain (4) active hip extension causing pain (5) passive internal rotation of less than or equal to 25° Renal pain referral - Correct Answers ✅- pelvis, low back, AND SHOULDER per wiki: "Kehr's sign is the occurrence of acute pain in the tip of the shoulder due to the presence of blood or other irritants in the peritoneal cavity when a person is lying down and the legs are elevated. Kehr's sign in the left shoulder is considered a classic symptom of a ruptured spleen.[1] May result from diaphragmatic or peridiaphragmatic lesions, renal calculi, splenic injury or ruptured ectopic pregnancy." ankylosing spondylitis risk factor - Correct Answers ✅- Crohn's disease and IBS are high Hill-Sachs lesion - Correct Answers ✅- A Hill-Sachs lesion is a compression fracture or depression defect on the posterior humerus that can occur when

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the humeral head impacts the inferior rim of the glenoid during a shoulder dislocation. Intervention to reduce impact of bone mineral density loss - Correct Answers ✅There is moderate evidence to suggest that high intensity aerobic exercise may be the most appropriate intervention to either reduce the loss or reverse the loss of bone mineral density. (Dutton 2008) Which of the following is most helpful in the diagnosis of cauda equina due to its high sensitivity? - Correct Answers ✅Urinary dysfunction is common in those who have cauda equina, but urinary retention is more common than urinary incontinence and has a 90% sensitivity. (Small 2005) Non-msk generator for lower abdomen, middle lumbar spine, and buttock region sx? - Correct Answers ✅Individuals who have involvement of the large intestine will exhibit most of their symptoms in the buttock, middle lumbar spine and the lower abdomen, with the symptoms located in the region of T11-L1. (Goodman and Snyder 2013) Lower GI pathology - Correct Answers ✅Yes:

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• bloody diarrhea
• central lbp
• fecal incontinence
• melena No:
• Upper thigh pain is more closely related to reproductive or urinary tract pathologies than lower GI pathologies. (Goodman and Snyder 2013) What is the MCID for the Oswestry Disability Index for patients with chronic low back pain? - Correct Answers ✅Ten points or 20% is the MCID reported in the literature for patients with chronic low back pain. (Davidson 2002) S1 nerve root - Correct Answers ✅Individuals with nerve root involvement of S1 will often have difficulty with plantarflexion and great toe movement, as well as an inability to walk on their toes. In this case, the patient's atrophy of the gastroc/soleus also pointed to an S1 issue. (Cleland and Koppenhaver

A physical therapist is performing an examination/evaluation on a patient with low back pain that radiates to the posterior thigh. During the active

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range of motion assessment, the patient has a replication of symptoms during lumbar flexion. What should the physical therapist's next step be? - Correct Answers ✅repeated motion assessment is an appropriate next step for an individual who exhibits symptoms with range of motion. (Magee

Which special test is most helpful in determining if lumbar mechanical traction is an appropriate intervention? - Correct Answers ✅Crossed straight leg raise test Reason: Fritz et al discussed a subgroup of patients who were most likely to benefit from mechanical lumbar traction. In this subgroup were patients who had a positive crossed straight leg raise test, so utilizing this test is suitable in determining if traction is appropriate. (Fritz 2007) Which clinical findings support lumbar mechanical traction is an appropriate intervention? - Correct Answers ✅peripheralization in both directions (ls flexion and extension) and neurological findings mechanical lumbar traction: what parameters are most appropriate? - Correct Answers ✅40-60% of body weight for a maximum of 12 minutes

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Reason: These were the exact parameters prescribed by Fritz et al in their study on the traction subgroup of the treatment based classification. (Fritz

What therapeutic exercise would be most beneficial after using mechanical traction in a prone position? - Correct Answers ✅Prone press-ups Reason: A study by Fritz et al determined that prone lying for at least two minutes, followed by prone press-ups before weight bearing, was most beneficial for complementing the prone traction. (Fritz 2007) Femoral nerve innervation - Correct Answers ✅The pectineus, along with the quadriceps, iliacus, sartorius and articularis genus, is innervated by the femoral nerve. (Cleland and Koppenhaver 2011) PS: obturator nerve innervates gracilis and obturator externus, and Transverse abdominis is nnervated by the iliohypogastric and ilioinguinal nerves. gold standard for diagnosis of cervicogenic headaches - Correct Answers ✅The diagnostic gold standard for cervicogenic headaches is a nerve block of the C2 nerve root. This is because the C2 nerve root travels through the obliquus capitis, splenius capitis, and trapezius muscle before then traveling

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through the occipital notch and innervating the unilateral scalp. Note that sometimes this diagnostic standard also is accompanied with long-term resolution of symptoms for patients with cervicogenic headaches! (Anthony

optimal screening to rule out circulatory insufficiency for patients with head and neck pain - Correct Answers ✅Stratify patients into high, medium, or low risk categories based on historical risk factors and results from special tests or the presence of prodromal symptoms. (Califf 1996) cervical ligamentous instability, which tests should be assessed first - Correct Answers ✅Mintken et al. described the reasoning behind performing the Sharp Purser test first in JOSPT. The Sharp Purser test is an alleviation test, and should be utilized first to determine if there is excessive mobility. Provocative tests, such as the alar ligament stress test, anterior shear test and aspinall test, should only be performed after the Sharp Purser test if no symptoms were generated and no excessive mobility is sensed via the Sharp Purser test. (Mintken 2008) It is recommended (as demonstrated in the MedBridge cervico-thoracic videos) to perform the sharp purser test again after provocation tests to help alleviate any symptoms that were aggravated with testing.

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cervical myelopathy risk factors - Correct Answers ✅Asian > Hispanic Male > female up to 90% of people > 70 yo hickening of ligamentous tissue that extends into the spinal canal, along with infolds and loss of capsular flexibility, are commonly seen as risk factors for the development of cervical myelopathy. compressive cause for cervical radiculopathy - Correct Answers ✅Hypertrophy of the uncovertebral joints idiopathic carpal tunnel syndrome, what is the most common cause? - Correct Answers ✅Increased pressure in the carpal tunnel that leads to compression of the median nerve Reason: Because of a mismatch between the size of the median nerve and the carpal tunnel themselves, there is an increase in pressure in the carpal tunnel, which can lead to the pathology, when there is an idiopathic cause of carpal tunnel syndrome. (Uchiyama 2010) PS, Amyloid deposition often occurs in those who have long term dialysis for kidney pathologies. However, this is a secondary cause of carpal tunnel syndrome, not an idiopathic cause.

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carpal tunnel syndrome treatment options. Based on current evidence, which is true? - Correct Answers ✅- Surgical treatment is more effective than splinting Reason: Although it is unclear if this statement is true for those with mild symptoms, the studies included in a recent Cochrane Review revealed that surgical treatment is more effective than splinting. (Verdugo 2008) UNCLEAR IF SURGERY IS BETTER THAN CSI pain with third digit proximal interphalangeal flexion, resisted elbow flexion, and forearm supination. There is mild weakness seen with the strength assessment of the same muscles. Which pathology? - Correct Answers ✅Pronator teres syndrome Reason: Pronator teres syndrome, or compression of the median nerve between the two heads of the pronator teres muscle, would cause the symptoms seen with this patient. (Netter 2014 and Magee 2014) Motions to avoid with posterolateral corner injury - Correct Answers ✅- tibia ER

• hyperextension

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• knee varus grade 3 posterior cruciate ligament injury, what is recommended regarding weight bearing status - Correct Answers ✅Partial weight bearing for 2- weeks after injury Reason: Patients who have a grade 3 posterior cruciate ligament injury should be partial weight bearing for 2-4 weeks after injury or surgery with hinge brace locked in extension, and then move to full weight bearing after that point (Janousek 1999 and Logerstedt 2 2010). external rotation recurvatum test and the posterior sag sign are positive - Correct Answers ✅Posterolateral corner injury and posterior cruciate ligament injury Reason: This patient tests positive with the posterior sag sign and the external rotation recurvatum test, and the posterior sag sign tests for the integrity of the posterior cruciate ligament whereas the external rotation recurvatum test is looking at the posterior cruciate ligament and the posterolateral corner of the kene. (Magee 2014) Finding consistent with posterolateral corner injury? - Correct Answers ✅Sharp pain in the knee during terminal stance and push off during gait

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Reason: DeLeo et. al discuss the finding of sharp pain during terminal stance and push off as being a finding common to posterolateral corner injuries. (DeLeo 2003) Ottawa Knee Rules - Correct Answers ✅Age 55 or older OR Isolated tenderness of the patella No bone tenderness of knee other than patella OR Tenderness of the head of the fibula OR Cannot flex to 90 degrees OR Unable to bear weight both immediately and in the emergency room department for 4 steps activity is most likely to be limited in the long term after a posterior cruciate ligament injury - Correct Answers ✅Reason: In those who had posterior cruciate ligament tears, high speed running was the activity most affected in

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the long term as reported by Logerstedt et al in the APTA's clinical practice guidelines on knee ligament sprains. (Logerstedt 2 2010) ruling in a posterior cruciate ligament tear - Correct Answers ✅Reason: The posterior drawer test has a specificity of 99% as discussed by Logerstedt et al in the clinical practice guidelines for ligament sprains from the orthopaedic section of the APTA. However, the posterior sag sign has a specificity of 100%. What is the percentage of individuals who have a rotator cuff lesion, but are asymptomatic? - Correct Answers ✅67% Reason: Two thirds of individuals with small rotator cuff tears are asymptomatic per Fermont et al. (Fermont 2014) If a patient had which of the following, what would be helpful in ruling in adhesive capsulitis? - Correct Answers ✅(x)History of shoulder dislocation (x)Patient's age is 72 years Reproduction of symptoms with (o) end range glenohumeral motions

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Reason: With passive range of motion, patients with adhesive capsulitis regularly show end range limitations and reproduction of symptoms, depending on which stage they are in of the pathology (Kelley 2013). (x)Weakness of the supraspinatus, infraspinatus, and biceps brachii combination of tests would be most appropriate in determining if a SLAP lesion is present? - Correct Answers ✅Active compression test and Jobe relocation test Reason: Powell et al found that a combination of the active compression test and the Jobe relocation test or a second combination of the Jobe relocation test and the anterior apprehension maneuver was most helpful in ruling in a SLAP lesion. (Powell 2008) What intervention is often deferred in patients who are highly irritable? - Correct Answers ✅euromuscular re-education exercises Reason: Neuromuscular re-education is often only incorporated in those who exhibit moderate and low irritability, as those who are highly irritable may have significant difficulty with the types of interventions used for neuromuscular re-education. It is better to wait until a patient is less irritable before integrating this into the plan of care (Kelley 2013).

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pain as 5/10 on average throughout the day...what level of irritability does this patient fall into? - Correct Answers ✅Moderate irritability Reason: This patient's pain of 5/10 falls into the average level of moderate pain (4-6/10) as discussed by Kelley et al, so this patient would be moderately irritable. (Kelley 2009 and Kelley 2013) In the pathogenesis of knee OA, which of the following occurs last? - Correct Answers ✅Development of osteophytes Reason: As discussed by Hackenbroch, sclerosis, subchondral cysts and osteophyte development occurs right before misalignment or loss of congruency in the joint, which is the last step in progressive osteoarthritis. (Hackenbroch 2002) irreversible matrix degradation > synovitis > cartilage loss > development of osteophytes Poor prognosticating factor after knee arthroscopy - Correct Answers ✅Spahn et al studied the factors that led to poor outcomes after arthroscopy for medial compartment osteoarthritis of the knee, and if an individual had a history of knee osteoarthritis for greater than 24 months, they were more likely to have poorer outcomes. (Spahn 2006)

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Knee OA prevalence - Correct Answers ✅African American women have knee osteoarthritis more often than white women. (Anderson 1998) Modalities for knee pain - Correct Answers ✅moderate evidence that: - acupuncture, TENS and low level laser therapy will reduce pain from evidence provided in a systematic review by Jamtvedt et al. (Jamtvedt 2007) (CPR) for pt with knee pain and evidence of OA with favorable short-term response to hip mobilizations - Correct Answers ✅(1) hip or groin pain or paresthesia (2) anterior thigh pain (3) passive knee flexion less than 122 degrees (4) passive hip medial (internal) rotation less than 17 degrees (5) knee pain with hip distraction Hip mobilizations used: caudal glide, AP glide, PA glide, PA glide with flexion, abduction, and lateral rotation When found on imaging is associated with pain and stiffness - Correct Answers ✅(o) large joint effusion

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• osteophyte associated with pain but not stiffness
• subchondral cyst not associated with clinical sx
• sublux of meniscus not associated with clinical sx Outcome measure closely associated with the NDI - Correct Answers ✅SF- (physical and mental components) How can patient still be positive for the upper limb tension test even though they have no reproduction of symptoms - Correct Answers ✅A patient does not necessarily need to exhibit a reproduction of symptoms. Instead, tension that creates a side to side difference of greater than 10 degrees of elbow extension or wrist extension is also considered a positive finding. (Childs

Supervised PT vs HEP for knee OA (Deyle) - Correct Answers ✅- after one month, those in the supervised physical therapy group had a greater improvement in WOMAC scores

• patients in a supervised physical therapy group and patients in a home exercise program group had equal maintenance of improvements

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• those who received supervised physical therapy were less likely to be taking medication at one year after intervention Cleland CPR for use of thoracic spine manipulation for neck pain - Correct Answers ✅▪ Symptoms <30 d ▪ No symptoms distal to the shoulder ▪ Looking up does not aggravate symptoms ▪ FABQPA score < ▪ Diminished upper thoracic spine kyphosis ▪ Cervical extension ROM <30° Tongue on roof of mouth deactivates - Correct Answers ✅Activation of the platysma and the hyoid muscles will be decreased if the patient places their tongue on the roof of their mouth. (Childs 2008 and Netter 2014) neck pain with radiating pain should be treated with - Correct Answers ✅- Mechanical Intermittent Traction

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Reason: For patients with chronic neck pain and radiating pain, clinicians should provide mechanical intermittent traction combined with other interventions based on the 2017 Neck Pain CPG.

• PS on the 2008 neck pain clinical practice guidelines, upper quarter and nerve mobilization procedures have moderate evidence; however this has been updated in the 2017 guidelines and are no longer recommended for patients with neck pain with radiating pain. neck pain with radiating pain, would not expect? - Correct Answers ✅Neck pain that radiates during cervical flexion Reason: It is highly unlikely to see neck pain that radiates during cervical flexion. Instead, it would typically radiate during cervical extension, side bending and rotation (Childs 2008). which TFCC ligament should be taught in supination? - Correct Answers ✅palmar radiolunar ligament (dorsal should be taut in pronation) Long thoracic nerve injury - Correct Answers ✅cardinal sign is winging of the scapula/serratus weakness

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Spinal accessory n injury - Correct Answers ✅- trapezius and SCM are very weak

• may present with; depressed shoulder girdle, scapular winging during shoulder abduction, decreased shoulder flexion and abduction ROM
• commonly seen with blunt trauma injuries Accessory/secondary muscles for radial deviation - Correct Answers ✅APL, EPL, EPB Manual therapy for DeQuervain's tenosynovitis sx - Correct Answers ✅- would involve first CMC, intercarpals, and radiocarpal joints
• NOT radioulnar Heel pain and calcaneal spurs - Correct Answers ✅Radiographs that show a calcaneal spur in patients with heel pain does not confirm the diagnosis of plantar fasciitis Reason: Per clinical practice guidelines provided by the Journal of Orthopaedic and Sports Physical Therapy, any evidence of a calcaneal spur on a radiograph is not a key feature necessary to make a diagnosis. (Martin

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Self mobilization for patients with heel pain - Correct Answers ✅- Self mobilization for ankle eversion

• A mobilization with movement to improve dorsiflexion was a part of the Cleland et al study for improving heel pain symptoms, but it was not included in the home exercise program. Anterior interosseous nerve syndrome - Correct Answers ✅- median nerve pathology WITHOUT any sensory deficit
• PS: an elbow ligament sprain could lead to neuro sx by proximity Lateral elbow pain treatment - Correct Answers ✅- cervical spine treatment should be used (as should the elbow, of course) Vicenzino clinical prediction rule: lateral elbow pain tx with mobilization with movement at elbow - Correct Answers ✅- NOT A FREE ARTICLE, but apparently:

1. age < 49 yo
2. affected UE pain-free grip > 25 lb

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3. UNafected UE pain-free grip < 75. Hand/wrist manual therapy for lateral elbow sx - Correct Answers ✅- Is this the one where they did over 100 manipulations total?

• A scaphoid thrust manipulation was used by Struijs et al in a study in Physical Therapy. In this study, patients were treated for six weeks with a maximal number of nine intervention sessions, and patients with lateral elbow pain had positive results with this technique. (Struijs 2003) lateral ulnar collateral ligament - Correct Answers ✅is on the lateral side of the elbow Tongue depressor bite test (TMJ) suggests what type of disorder - Correct Answers ✅Joint arthralgia Reason: This is the correct answer since an individual with joint arthralgia will most commonly feel joint pain on the opposite pain of where they are biting down on the separator. (Harrison 2014) Clinical prediction rule: thoracic manipulation for those with shoulder pain (Mintken 2010) - Correct Answers ✅1) Pain-free shoulder flexion <127°

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2. Shoulder internal rotation <53° at 90° of abduction
3. Negative Neer test
4. Not taking medications for their shoulder pain
5. Symptoms less than 90 d Parsonage-Turner syndrome features - Correct Answers ✅- severe pain of insidious onset (shoulder radiating into neck and ue) is hallmark, but it improves days to weeks after initial sx while weakness persists

• is self-limiting (in months or years??)
• weakness occurs in a peripheral nerve distribution, sometimes a single peripheral nerve or other times a combination of peripheral nerves, cervical nerve roots or even different branches of the brachial plexu Clinical prediction rule: determining cervical radiculopathy (Wainner 2003) - Correct Answers ✅1) positive upper limb tension test A (ULTTa)

2. involved-side cervical rotation range of motion less than 60 degrees
3. positive distraction test
4. positive Spurling's test A

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Pancoast tumor presentation - Correct Answers ✅- unilateral neck pain

• numbness/tingling down arm into pinky
• atrophy of anterior forearm musculature
• A pancoast tumor will present with all of the objective information provided in this case. The diagnosis may mimic a C8 radiculopathy, so atrophy in the anterior forearm muscles is possible due to long term involvement of that nerve root. Also, those with a pancoast tumor will not be able to change position or activity level and impact symptoms, like is present in this case. (Goodman and Snyder 2013) pt with l shoulder pain reports 100.9 deg fever. BP, RR, and HR are normal. What now? - Correct Answers ✅Document the 100.9 degrees Fahrenheit temperature, as well as the normal findings from blood pressure, respiratory and pulse rate and continue to monitor the patient's symptoms at each visit Reason: This patient is exhibiting a body temperature greater than 100 degrees, which is a red flag. However, the patient's other vital signs of blood pressure, pulse and respiratory rate are all within the normal range. With only one of four vital signs being abnormal, it is wise to document the information and continue to monitor for any changes at consequent visits. (Goodman and Snyder 2013)

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What muscle, if used actively before 6-8 weeks after surgery, can lead to a failure of an open rotator cuff repair? - Correct Answers ✅- Deltoid Reason: During an open rotator cuff repair, there is splitting and detachment of the deltoid and reattachment of this muscle to the acromion is a significant part of the surgical procedure. Because of the extent of involvement of the deltoid, it is imperative to not use this muscle actively for a relatively long period of time after surgery, and if used, could lead to a failure of the procedure. (Ghodadra 2009) Erb and Klumpke's palsy - Correct Answers ✅- Klumpke's palsy: inferior trunk injury of the brachial plexus (claw hand?)

• erb's: upper trunk (waiter's tip?) Ectopic pregnancy - Correct Answers ✅- An ectopic pregnancy is a medical emergency, and something that could potentially cause death if not managed immediately.
• can lead to abdominal pain, pelvic pain, and vaginal bleeding
• The fertilized egg can't survive outside the uterus. If left to grow, it may damage nearby organs and cause life-threatening loss of blood.

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Wet Point ankle sprain grading system - Correct Answers ✅- Grade I: ATFL tenderness, slight edema and ecchymosis, full or partial weight-bearing ability, stretched ligament, no instability

• Grade II: ATFL and CFL tenderness, moderate edema and eccyhmosis, difficutly weight-bearing without assistive device, partial ligament tear, no or slight instability
• Grade III: ATFL, CFL, and PTFL tenderness, significant and diffuse edema and ecchymosis, impossible to weight-bear without significant pain, complete ligament rupture, instability present Wet Point ankle sprain grading system (cont) - Correct Answers ✅- grade I West Point ankle sprain, they would have a positive anterior drawer test but not a positive talar tilt test since a grade I sprain only implicates the anterior talofibular ligament. Also, the individual will have full or partial weight bearing if a grade I sprain is present.
• grade II sprain implicates both the anterior talofibular and calcaneofibular ligaments, so the positive findings of the anterior drawer and talar tilt tests matches here. Also, this individual has localized edema and difficulty ambulating without an assistive device, which is indicative of a grade II sprain. (Gerber 1998 and Dutton 2008)

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• grade III sprain on the West Point ankle sprain grading system involves the anterior and posterior talofibular ligaments, plus the calcaneofibular ligament. Also, there is diffuse and significant edema and ecchymosis in those with a grade III sprain. Lastly, an individual who sustains a grade III sprain will have significant difficulty weight bearing at all. Cervical traction parameters - Correct Answers ✅Fifteen minutes of intermittent traction (60 seconds on, 20 seconds off) with an initial pull of 10-12 pounds Follow-up to cervical mechanical traction - Correct Answers ✅- Current evidence points towards the use of deep neck flexor strengthening for individuals who are treated with mechanical traction. Also, the patient in this case does have limited deep neck flexor strength, so their impairments match what current evidence recommends. (Raney 2009) Clinical Prediction Rule: patients with neck pain likely to improve with cervical traction (Raney 2009) - Correct Answers ✅1) Age ≥ 55

2. Positive shoulder abduction test
3. Positive ULTT A