BIOD 151 PORTAGE LEARNING MOD 5 EXAM 5 2023, Exams of Nursing

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Attempt Time Score LATEST Attempt 1 48 minutes 84.5 out of 100

Score for this quiz: 84.5 out of 100

Submitted Jun 6 at 5:39pm This attempt took 48 minutes.

Question 1

2 / 2 pts

There are three types of muscle tissue found in the body. Correct! True False

Question 2

2 / 2 pts

Cardiac and smooth muscle tissue are both under involuntary control. Correct! True False

Question 3

2 / 2 pts

The lumbar plexus is part of the central nervous system.

True Correct! False False- this is a peripheral nerve Question 4

0 / 2 pts

A motor signal is a signal that is sent from a muscle to the central nervous system. You Answered True Correct Answer False Question 5

2 / 2 pts

The cervical plexus contains nerves that innervate the thigh. True Correct! False Question 6

2 / 2 pts

Answer the following short-answer question: Tendons connect which types of tissue?

Your Answer: tendons are connective tissue that connect skeletal muscle to the bone at each end Connect muscle to bone Question 7

2 / 2 pts

Answer the following short-answer question: Acetylcholine is what type of substance? Your Answer: acetylcholine is a special type of chemical called a neurotransmitter Neurotransmitter Question 8

2 / 2 pts

Answer the following short-answer question: During a muscle contraction which protein myofilament is pulled along? Your Answer: actin Actin Question 9

2 / 2 pts

Answer the following short-answer question: What is the name of the thin myofilament? Your Answer: actin Actin

Question 10

0 / 2 pts

Answer the following short-answer question: What must occur for a muscle contraction to stop? Your Answer: Muscles contraction ceases when the nerve impulses no longer stimulate the muscle fiber. Calcium ions must be pumped back into the sarcoplasmic reticulum Question 11

10 / 10 pts

Label the following five muscles: B: _____________ C: _____________ E: _____________ G: _____________ J: ______________ Your Answer: b. Temporalis (L) c. orbicularis oculi (R) e. zygomaticus major

g. buccinator (deep) j. depressor labii inferioris B: Temporalis C: Orbicularis oculi E: Zygomaticus major G: Buccinator J: Depressor labii inferioris Question 12

10 / 10 pts

Fill in the following muscle chart (10 blank spaces): Muscle Origin Insertion Action Innervation Flexor digitorum superficialis

------- ---------- 1.______ 2._________

Pronator Teres ------- 3._______ 4._______ 5._________ Vastus Medialis 6._____ ---------- 7.________ -------------- Peroneus Brevis 8.______ 9._______ ----------- 10.__________

1. [answer1]
2. [answer2]
3. [answer3]
4. [answer4]
5. [answer5]
6. [answer6]
7. [answer7]
8. [answer8]
9. [answer9]
10. [answer10] Your Answer: 1.flexion of the wrist and digits 2-5 (middle and proximal phalanx) 2.median nerve
11. mid lateral surface of radius

4. pronation 5.median nerve
5. intertrochanteric line of femur
6. knee extension
7. lateral, distal fibula
8. lateral side of 5th metatarsal
9. superficial peroneal nerve
10. Flexion of the wrist and digits 2-
11. Median nerve
12. Mid-lateral surface of radius
13. Pronation
14. Median nerve
15. Intertrochanteric line of femur
16. Knee extension
17. Lateral, distal fibula
18. Lateral side of 5th metatarsal
19. Superficial peroneal nerve Question 13

2 / 2 pts

Your patient sustained an injury to their facial nerve (CN VII). Which actions would be impaired? A. Extend head/neck B. Compress cheeks C. Grin/grimace

D. Elevate mandible E. A&D Correct! F. B&C F.B &C (Buccinator & risorius) Question 14

2 / 2 pts

Your patient is having difficulty when asked to bring his chin to his chest. He is also having difficulty turning his face from side to side. What muscle is most likely impaired? Thyrohyoid Semispinalis capitis Splenius Capitis Correct! Sternocleidomastoid (Bilateral neck flexion, unilateral turns face) Scalenes Question 15

2 / 2 pts

A person sustained a back injury to the muscle group closest to the spine. What muscle group was injured? Longissimus Correct! Spinalis Sternocleidomastoid Iliocostalis Rectus abdominis Question 16

2 / 2 pts

True or False: When a muscle contracts, the Z lines within a sarcomere come closer together towards the M line. Correct! True False Question 17

2 / 2 pts

True or False: The A band contains thin filaments. Correct!

True (A band contains thick filaments and thin filaments) False Question 18

2 / 2 pts

Which muscle contracts to enable the main effort required to stand on your toes? Biceps femoris Quadriceps Correct! Gastrocnemius Tibialis anterior Question 19

2 / 2 pts

When Vastus Lateralis contracts, which bone is pulled anteriorly? Femur Correct! Tibia Ilium

Ulna Question 20

2 / 2 pts

When flexor digitorum profundus contracts, what action(s) occurs? A. Wrist flexion B. Elbow flexion C. Flexion of digits 2- D. Flexion of digit 1 Correct! E. A&C F. B&C Question 21

0 / 2 pts

Contraction of ________ results in _________? Correct Answer psoas major, hip flexion psoas major, hip extension

You Answered iliacus, trunk flexion iliacus, trunk extension Question 22

2 / 2 pts

When piriformis contracts, what action(s) will not occur at the hip? A. Internal rotation B. Lateral rotation C. Adduction D. Flexion E. Extension Correct! F. A&D G. B&E Question 23

5.5 / 10 pts

Use the figure answer the following five questions:

1. Which muscle has origins on both the clavicle and scapula? (specify letter on diagram with the name of the muscle for full credit)
2. Which muscle is innervated by the thoracodorsal nerve? (specify letter on diagram with the name of the muscle for full credit)
3. What is the name of muscle D?
4. What is the innervation of muscle D?
5. What is the insertion of muscle E? Your Answer:
6. deltoid middle (letter A)
7. latissimus dorsi (letters h, i) 3.supraspiratus (R)
8. supraspiratus nerve (C%) 5.lateral border of scapula
9. A (Deltoid)
10. H or I (Lats)
11. Infraspinatus

4. Suprascapular nerve
5. Intertubercular groove of humerus (Teres major) Question 24

10 / 10 pts

Use the figure to label the following six muscles: (Viewed posteriorly) A: ______________ C: ______________ D: ______________ F: _______________ H: ______________ I: _______________ Your Answer:

a. extensor carpi radialis longus, R c. extensor digitorum d. extensor capri ulnaris f. abductor pollicis longus h. extensor indicis i. extensor pollicis brevis A: Extensor carpi radialis longus C: Extensor digitorum D: Extensor Carpi Ulnaris F: Abductor pollicis longus H: Extensor indicis I: Extensor pollicis brevis Question 25

5 / 10 pts

Use the figure to label the following six muscles:

D: _______________

E: _______________

F: _______________

G: _______________

H: _______________

I: ________________

Your Answer: d. peroneus longus e. soleus

f. peroeus brevis g. tibialis posterior h. flexor digitorum longus i. flexor hallucis longus D: Peroneus (fibularis) longus E: Soleus F: Tibialis posterior G: Flexor digitorum longus H: Flexor hallucis longus I: Peroneus (fibularis) brevis I don't know exactly what you did with labeling these answers Question 26

10 / 10 pts

Answer the following essay question: Describe how acetylcholine, sodium ions and calcium ions work together to enable a muscle contraction. Your Answer: Acetychlorine binds with receptors on the muscle cell membrane, opening sodium channels. Sodium rushes in, creating an action potential, which reaches the sarcolemma and then the sarcoplasmic reticulum. Once the action potential reaches the sacroplasmic recticulum, calcium ions are released. The influx of calcium triggers the cross-bridge formations to and muscle contraction. Acetylcholine (a special chemical called a neurotransmitter) is released from a motor nerve at the neuromuscular junction (or NMJ). Acetylcholine binds to receptors on the muscle fiber that cause sodium channels to open. Sodium ions rush inside the cell, triggering an action potential which eventually reaches the sarcoplasmic reticulum. Calcium ions are released from the sarcoplasmic reticulum of the muscle cell, causing a muscle contraction to occur. Quiz Score: 84.5 out of 100