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Pathophysiology Exam 2 Practice Test – Cardiac, Pulmonary & Shock Study Guide

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2025/2026 Written for academic year
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Course Pathophysiology
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Pass Pathophysiology Exam 2 with verified Q&A on cardiology, respiratory, shock, ECG, heart failure, asthma, and COPD. Graded A+ latest update 2026/2027.

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PATHOPHYSIOLOGY EXAM 2 PRACTICE
TEST QUESTIONS AND VERIFIED 100%
CORRECT ANSWERS LATEST UPDATE
2026/2027|GRADED A+
Which of the following valves directs blood flow from the left atrium to the
left ventricle?
A. Mitral
B. Tricuspid
C. Aortic
D. Pulmonic
- ANSWER A. Mitral


The layer of squamous cells that lines the cardiac chambers and
valves is called the:
A. myocardium
B. endocardium
C. epicardium
D. Pericardium
- ANSWER B. endocardium


How much does the atrial kick increase the blood volume?
A. 5%-10%
B. 10%-15%

,C. 15%-20%
D. 20%-25%
- ANSWER C. 15%-20%


Which of the following waves corresponds with the AV valve bulging
during ventricular contraction?
A. A wave
B. C wave
C. D wave
D. V wave
- ANSWER B. C wave (The A wave corresponds with atrial
contraction, the C wave corresponds with the AV valve bulging
during ventricular contraction, and the V wave corresponds to atrial
filling. There is no D wave.


What portions of the heart does the left anterior descending branch
supply?
A. Septal, anterior and apical
B. Lateral and Posterior
C. Lateral and septal
D. Posterior and apical
- ANSWER A. Septal, anterior, and apical

, What is the name for the arrangement in which separate cells of the
myocardium can function together?
A. Autoregulation
B. Syncytium
C. Ischemia
D. Myocyte
- ANSWER B. Syncytium


The structure that is composed of six polypeptide chains, two heavy
chains, and four light chains is called:
A. actin
B. tropomyosin
C. troponin
D. myosin
- ANSWER D. myosin


Which electrolyte is necessary for muscle contraction?
A. Na+
B. K+
C. Ca++
D. Mg++
- ANSWER C. Ca++

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