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NSG550 DIAGNOSTIC REASONING FOR NP
EXAM 1 ACTUAL EXAM PAPER 2026
COMPLETE QUESTIONS AND VERIFIED
ANSWERS 100% CORRECT GRADED A+
◉ PCR Answer: Polymerase chain reaction for viral detection. ◉ VQ scan Answer: Ventilation-perfusion scan to rule out PE. ◉ PET scan Answer: Identifies glucose uptake for tumor detection. ◉ Thoracentesis Answer: Procedure to remove fluid from pleural space. ◉ ABG Answer: Arterial blood gas analysis for respiratory distress. ◉ PFT Answer: Pulmonary function test for diagnosing lung diseases. ◉ Spirometry Answer: Gold standard for diagnosing COPD and asthma. ◉ FVC Answer: Forced vital capacity measurement in spirometry. ◉ FEV1 Answer: Forced expiratory volume in one second.
◉ FEV1/FVC ratio Answer: Used to confirm airflow limitation in COPD. ◉ Polysomnography Answer: Test for diagnosing sleep apnea. ◉ TB skin test Answer: Identifies exposure to tuberculosis, not diagnosis. ◉ CTA chest Answer: Spiral CT for detecting aneurysm and PE. ◉ D-Dimer Answer: Protein indicating possible blood clot presence. ◉ Specificity Answer: Test's ability to correctly identify non-disease. ◉ Sensitivity Answer: Test's ability to correctly identify disease. ◉ Bronchoscopy Answer: Scope procedure for lung examination and biopsy. ◉ Laryngoscopy Answer: Examination of the back of the throat. ◉ Thoracoscopy Answer: Surgical procedure for lung reduction or biopsy.
◉ Stress ECHO Answer: Ultrasound before and after exercise to assess heart. ◉ Chemical Stress Test Answer: Medications simulate exercise effects on heart function. ◉ Appendicitis Diagnosis Answer: CT is most accurate; U/S preferred for children. ◉ Diverticulitis Imaging Answer: CT abdomen pelvis with contrast for LLQ pain. ◉ Cholecystitis Evaluation Answer: U/S with Murphy sign; HIDA if inconclusive. ◉ Ovarian Torsion Diagnosis Answer: Ultrasound is the primary imaging method. ◉ Testicular Torsion Imaging Answer: Ultrasound is the primary imaging method. ◉ Hepatomegaly Assessment Answer: Ultrasound is used to evaluate liver enlargement.
◉ Renal Stones Imaging Answer: Non-contrast CT is preferred for detection. ◉ Pancreatitis Diagnosis Answer: CT or abdominal ultrasound for evaluation. ◉ C-Diff Stool Test Answer: Indicated after antibiotic use; check for infection. ◉ Ova and Parasites Test Answer: For immunocompromised or travel to high-risk areas. ◉ Stool Culture Indication Answer: Used when fever and leukocytosis are absent. ◉ Liver Function Enzymes Answer: Assess liver pain, ascites, and hepatitis risk. ◉ Lipase Test Answer: Indicates pancreatitis; assesses gallstones and ETOH. ◉ Ammonia Level Answer: Helps evaluate liver failure severity and risk. ◉ Bilirubin Test Answer: Yellow/brown urine indicates biliary obstruction risk.
◉ Pelvic Ultrasound Answer: Visualizes female pelvic organs quickly. ◉ MRI Answer: Magnetic resonance imaging for detailed body images. ◉ Acute Cough Answer: Lasts less than three weeks; often viral. ◉ Chronic Cough Answer: Persists over eight weeks; indicates underlying issues. ◉ COPD Answer: Chronic obstructive pulmonary disease; airflow limitation. ◉ Spirometry Answer: Test for diagnosing and monitoring lung function. ◉ Aortic Stenosis Answer: Narrowing of aortic valve; causes heart strain. ◉ Aortic Regurgitation Answer: Inadequate closure of aortic valve; leads to heart issues. ◉ Mitral Stenosis Answer: Narrowing of mitral valve; causes pulmonary congestion.
◉ Mitral Regurgitation Answer: Inadequate closure of mitral valve; leads to heart failure. ◉ Mitral Valve Prolapse Answer: Prolonged asymptomatic condition; may cause palpitations. ◉ GERD Answer: Gastroesophageal reflux disease; causes esophageal injury. ◉ Viral Hepatitis Answer: Liver inflammation; indicated by ALT>AST. ◉ Hepatitis B Surface Antigen Answer: Indicates current infection with hepatitis B. ◉ Hepatitis Core Antibody Answer: Indicates current or past hepatitis infection. ◉ Hepatitis Antibody Answer: Indicates immunity to hepatitis infection. ◉
