A&P II - Test 1 Prep | Comprehensive
Q&A For Certification Success
The circumflex branch and the anterior interventricular artery are the branches of
the
a) left coronary artery.
b) coronary sinus.
c) right coronary artery.
d) interventricular artery.
e) aorta. - correct-answer -a) left coronary artery.
The cusps (leaflets) of atrioventricular valves attach directly to
a) chordae tendineae.
b) papillary muscles.
c) interatrial septa.
d) coronary sulci. - correct-answer -a) chordae tendineae.
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What structures separates the right and left atria?
a) auricles
b) interventricular septum
c) interatrial septum
d) interarterial septim - correct-answer -c) interatrial septum
Which of the following is true of basophils?
A) constitute about 1 percent of WBCs
B) promote inflammation
C) granules contain histamine
D) contain dense blue stained granules in the Wright stain
E) all of the above - correct-answer -E) all of the above
Plasma is closest in composition to
A) sterile water.
B) isotonic saline solution.
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C) CFS
D) urine
E) interstitial fluid - correct-answer -E) interstitial fluid
The developmental stage at which erythrocytes enter the circulation is as
A) reticulocytes.
B) hemocytoblasts.
C) myeloid cells.
D) proeythrocytes.
E) band forms. - correct-answer -A) reticulocytes.
Which of the following is not true of neutrophils?
A) less abundant than lymphocytes
B) can make cytotoxic chemicals
C) can destroy bacteria
D) produced in the bone marrow
E) can exit capillaries - correct-answer -A) less abundant than lymphocytes
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A hematocrit provides information on
A) blood type.
B) sedimentation rate.
C) formed elements abundance.
D) plasma composition.
E) clotting factors. - correct-answer -C) formed elements abundance.
The structure that allows the heart to beat easily, without friction
A) serous membranes
B) epicardium
C) pericardial sac
D) visceral pericardium - correct-answer -A) serous membranes
An electrocardiogram (ECG) provides direct information about valve functions.
True/False - correct-answer -False