Science Medicine Cardiology
Pathophysiology Exam 2 Practice Test
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Which of the following valves directs blood flow from the A. Mitral
left atrium to the left ventricle?
A. Mitral
B. Tricuspid
C. Aortic
D. Pulmonic
The layer of squamous cells that lines the cardiac B. endocardium
chambers and valves is called the:
A. myocardium
B. endocardium
C. epicardium
D. Pericardium
How much does the atrial kick increase the blood C. 15%-20%
volume?
A. 5%-10%
B. 10%-15%
C. 15%-20%
D. 20%-25%
Which of the following waves corresponds with the AV B. C wave (The A wave corresponds with atrial contraction, the C wave
valve bulging during ventricular contraction? corresponds with the AV valve bulging during ventricular contraction, and the V
A. A wave wave corresponds to atrial filling. There is no D wave.
B. C wave
C. D wave
D. V wave
, What portions of the heart does the left anterior A. Septal, anterior, and apical
descending branch supply?
A. Septal, anterior and apical
B. Lateral and Posterior
C. Lateral and septal
D. Posterior and apical
What is the name for the arrangement in which separate B. Syncytium
cells of the myocardium can function together?
A. Autoregulation
B. Syncytium
C. Ischemia
D. Myocyte
The structure that is composed of six polypeptide chains, D. myosin
two heavy chains, and four light chains is called:
A. actin
B. tropomyosin
C. troponin
D. myosin
Which electrolyte is necessary for muscle contraction? C. Ca++
A. Na+
B. K+
C. Ca++
D. Mg++
Which of the following statments is true regarding muscle C. Cardiac myocytes are terminally differentiated.
contraction?
A. Calcium removal from the cytoplasm causes
contraction.
B. Calcium entry into the cytoplasm causes relaxation.
C. Cardiac myocytes are terminally differentiated.
D. Contraction of cardiac muscle results from lengthening
of sarcomeres.
Which of the following phases of cardiac action B. Phase 1
potentials is causes by closure of the fast sodium
channels?
A. Phase 0
B. Phase1
C. Phase 2
D. Phase 3
Which of the following refers to intermittent, A. Rhythmicity
spontaneous generation of action potentials?
A. Rhythmicity
B. Relative refractory
C. Antiarrhythmics
D. Repolarization
Pathophysiology Exam 2 Practice Test
3.2 (5 reviews)
Save
Students also studied
Flashcard sets Study guides
HOSA Pathophysiology HOSA Pathophysiology Disease Pro... HOSA Pathophysiology Digestive Sy... HOSA
276 terms 44 terms 55 terms 55 terms
KendraRae17 Preview srackovan Preview srackovan Preview srac
Terms in this set (91) Hide definitions
Which of the following valves directs blood flow from the A. Mitral
left atrium to the left ventricle?
A. Mitral
B. Tricuspid
C. Aortic
D. Pulmonic
The layer of squamous cells that lines the cardiac B. endocardium
chambers and valves is called the:
A. myocardium
B. endocardium
C. epicardium
D. Pericardium
How much does the atrial kick increase the blood C. 15%-20%
volume?
A. 5%-10%
B. 10%-15%
C. 15%-20%
D. 20%-25%
Which of the following waves corresponds with the AV B. C wave (The A wave corresponds with atrial contraction, the C wave
valve bulging during ventricular contraction? corresponds with the AV valve bulging during ventricular contraction, and the V
A. A wave wave corresponds to atrial filling. There is no D wave.
B. C wave
C. D wave
D. V wave
, What portions of the heart does the left anterior A. Septal, anterior, and apical
descending branch supply?
A. Septal, anterior and apical
B. Lateral and Posterior
C. Lateral and septal
D. Posterior and apical
What is the name for the arrangement in which separate B. Syncytium
cells of the myocardium can function together?
A. Autoregulation
B. Syncytium
C. Ischemia
D. Myocyte
The structure that is composed of six polypeptide chains, D. myosin
two heavy chains, and four light chains is called:
A. actin
B. tropomyosin
C. troponin
D. myosin
Which electrolyte is necessary for muscle contraction? C. Ca++
A. Na+
B. K+
C. Ca++
D. Mg++
Which of the following statments is true regarding muscle C. Cardiac myocytes are terminally differentiated.
contraction?
A. Calcium removal from the cytoplasm causes
contraction.
B. Calcium entry into the cytoplasm causes relaxation.
C. Cardiac myocytes are terminally differentiated.
D. Contraction of cardiac muscle results from lengthening
of sarcomeres.
Which of the following phases of cardiac action B. Phase 1
potentials is causes by closure of the fast sodium
channels?
A. Phase 0
B. Phase1
C. Phase 2
D. Phase 3
Which of the following refers to intermittent, A. Rhythmicity
spontaneous generation of action potentials?
A. Rhythmicity
B. Relative refractory
C. Antiarrhythmics
D. Repolarization
