A&p II (heart, Blood & Blood Vessels)

115 Questions  I  By Sroyston

  
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1.  Functions of the blood include all of the following, except
A.
B.
C.
D.
2.  The combination of plasma and formed elements is called
A.
B.
C.
D.
E.
3.  Fresh whole blood for testing in a laboratory is usually collected from
A.
B.
C.
D.
E.
4.  When checking the efficiency of gas exchange, it may be necessary to draw a blood sample from
A.
B.
C.
D.
E.
5.  Each of the following is a characteristic of whole blood, except a
A.
B.
C.
D.
E.
6.  The total volume of blood in the body of a 70-kg man is approximately _____ liters
A.
B.
C.
D.
E.
7.  A person has a low blood volume is said to be
A.
B.
C.
D.
E.
8.  The chief difference between plasma and interstitial fluid involves the
A.
B.
C.
D.
E.
9.  Plasma proteins that are necessary for blood clotting are the
A.
B.
C.
D.
E.
10.  Stem cells responsible for the production of most white blood cells originate in the
A.
B.
C.
D.
E.
11.  Which of the following statements concerning red blood cells is false?
A.
B.
C.
D.
E.
12.  The average lifespan of a red blood cell is
A.
B.
C.
D.
E.
13.  The function of red blood cells is to
A.
B.
C.
D.
E.
14.  More than 95 percent of the protein in a red blood cell is
A.
B.
C.
D.
E.
15.  _____ is a condition in which the oxygen-carrying capacity of the blood is reduced
A.
B.
C.
D.
E.
16.  A condition in which the hematocrit is elevated and the blood volume is normal would be
A.
B.
C.
D.
E.
17.  A red blood cell that contains normal amounts of hemoglobin would be called
A.
B.
C.
D.
E.
18.  The waste product bilirubin is produced from
A.
B.
C.
D.
E.
19.  Most of the iron that is removed from degraded hemoglobin is
A.
B.
C.
D.
E.
20.  In adults, erythropoiesis primarily takes place in
A.
B.
C.
D.
E.
21.  The process of red blood cell production is called
A.
B.
C.
D.
E.
22.  Erythrocytes are formed from stem cells called
A.
B.
C.
D.
E.
23.  Erythropoiesis increases when
A.
B.
C.
D.
E.
24.  The percentage of whole blood occupied by cellular elements is the
A.
B.
C.
D.
E.
25.  A normal adult hematocrit would be
A.
B.
C.
D.
E.
26.  A person’s blood type is determined by the
A.
B.
C.
D.
E.
27.  All of the following are true of neutrophils, except that they are
A.
B.
C.
D.
E.
28.  The most numerous white blood cells in peripheral circulation are the
A.
B.
C.
D.
E.
29.  White blood cells that release histamine at the site of an injury are
A.
B.
C.
D.
E.
30.  _____ are large phagocytic white cells that spend most of their time outside the blood as fixed and free phagocytic cells
A.
B.
C.
D.
E.
31.  The white blood cells that are important in producing antibodies are the
A.
B.
C.
D.
E.
32.  White blood cells that increase in number during an allergic reaction or in response to parasitic infections are the
A.
B.
C.
D.
E.
33.  Platelets function in all of the following, except
A.
B.
C.
D.
E.
34.  Platelets are formed from cells in the bone marrow called
A.
B.
C.
D.
E.
35.  Platelets are
A.
B.
C.
D.
E.
36.  Od returning to the heart from the systemic circuit first enters the
A.
B.
C.
D.
E.
37.  Blood returning to the heart from the pulmonary circuit first enters the
A.
B.
C.
D.
E.
38.  The expandable extension of the atrium is the
A.
B.
C.
D.
E.
39.  The coronary sulcus is a groove that
A.
B.
C.
D.
E.
40.  Contractions of the papillary muscles
A.
B.
C.
D.
E.
41.  The visceral pericardium is the same as the
A.
B.
C.
D.
E.
42.  The right ventricle pumps blood to the
A.
B.
C.
D.
43.  The left ventricle pumps blood to the
A.
B.
C.
D.
E.
44.  The atrioventricular valve on the side of the heart that receives the superior vena cava is the _____ valve
A.
B.
C.
D.
E.
45.  Blood leaving the right ventricle enters the
A.
B.
C.
D.
E.
46.  The pulmonary semilunar valve guards the entrance to the
A.
B.
C.
D.
E.
47.  The entrance to the ascending aorta is guarded by the _____ valve
A.
B.
C.
D.
E.
48.  Compared to the right ventricle, the left ventricle has all the following characteristics, except that it
A.
B.
C.
D.
E.
49.  The left and right pulmonary veins carry blood to the
A.
B.
C.
D.
E.
50.  The heart wall is composed of _____ layers of tissue
A.
B.
C.
D.
E.
51.  The myocardium is primarily composed of _____ tissue
A.
B.
C.
D.
E.
52.  The first blood vessels to branch from the aorta are the _____ arteries
A.
B.
C.
D.
E.
53.  The marginal branch and posterior interventricular branch are branches of the
A.
B.
C.
D.
E.
54.  The circumflex branch and the anterior descending artery are branches of the
A.
B.
C.
D.
E.
55.  The great and middle cardiac veins drain blood into the
A.
B.
C.
D.
E.
56.  The heart is innervated by _____ nerves.
A.
B.
C.
D.
57.  The plateau phase of the cardiac muscle action potential is due to
A.
B.
C.
D.
E.
58.  In cardiac muscle
A.
B.
C.
D.
E.
59.  The pacemaker cells of the heart are located in the
A.
B.
C.
D.
E.
60.  The pace established by the SA node depends on all the following, except the
A.
B.
C.
D.
E.
61.  Depolarization of the ventricles is represented on an electrocardiogram by the
A.
B.
C.
D.
E.
62.  The T wave on an ECG tracing represents
A.
B.
C.
D.
E.
63.  Analysis of the electrocardiogram can reveal all of the following, except the
A.
B.
C.
D.
E.
64.  The first heart sound is heard when the
A.
B.
C.
D.
E.
65.  During the cardiac cycle, the
A.
B.
C.
D.
E.
66.  The volume of blood ejected from each ventricle during a contraction is called the
A.
B.
C.
D.
E.
67.  Each of the following factors will increase cardiac output, except
A.
B.
C.
D.
E.
68.  According to Starling’s “law of the heart,” the cardiac output is directly related to the
A.
B.
C.
D.
E.
69.  Each of the following conditions would increase heart rate, except
A.
B.
C.
D.
E.
70.  Increased venous blood flow to the right atrium
A.
B.
C.
D.
E.
71.  Drugs known as beta-blockers will
A.
B.
C.
D.
E.
72.  Artery is to _____ as vein is to _____.
A.
B.
C.
D.
E.
73.  The heart beats approximately _____ times each day.
A.
B.
C.
D.
E.
74.  The heart pumps approximately _____ liters of blood each day.
A.
B.
C.
D.
E.
75.  The heart is roughly the size of _____.
A.
B.
C.
D.
E.
76.  The muscular layer of a blood vessel is the
A.
B.
C.
D.
E.
77.  Compared to arteries, veins
A.
B.
C.
D.
E.
78.  Capillaries that have a complete lining are called
A.
B.
C.
D.
E.
79.  Capillaries with an incomplete lining are called
A.
B.
C.
D.
E.
F.
80.  The only blood vessels whose walls permit exchange between the blood and the surrounding interstitial fluids are the
A.
B.
C.
D.
E.
81.  Blood moves forward through veins by all of the following, except
A.
B.
C.
D.
E.
82.  Blood flow through the circulatory system is affected by all of the following, except
A.
B.
C.
D.
E.
83.  Vascular resistance is related to all of the following, except the
A.
B.
C.
D.
E.
84.  As blood travels from the aorta toward the capillaries, the
A.
B.
C.
D.
E.
85.  Blood flow to a tissue will increase if the
A.
B.
C.
D.
E.
86.  Blood pressure is determined by measuring the
A.
B.
C.
D.
E.
87.  Blood pressure is influenced by all of the following, except
A.
B.
C.
D.
E.
88.  Blood pressure increases with all of the following, except increased
A.
B.
C.
D.
E.
89.  The difference between the systolic and diastolic pressures is called the _____ pressure
A.
B.
C.
D.
E.
90.  The blood osmotic pressure is most affected by changes in the
A.
B.
C.
D.
E.
91.  Which of the following statements is false concerning the movement of fluid between capillaries and interstitial space?
A.
B.
C.
D.
E.
92.  An important artery that supplies blood to the brain is the _____ artery
A.
B.
C.
D.
E.
93.  Blood from the brain returns to the heart by way of the _____ vein
A.
B.
C.
D.
E.
94.  The goal of cardiovascular regulation includes all of the following, except to ensure that
A.
B.
C.
D.
E.
95.  Stimulation of the aortic baroreceptors results in
A.
B.
C.
D.
E.
96.  Anxiety can result in
A.
B.
C.
D.
E.
97.  During increased exercise
A.
B.
C.
D.
E.
98.  In response to hemorrhage, there is
A.
B.
C.
D.
E.
99.  Symptoms of shock include all of the following, except
A.
B.
C.
D.
E.
100.  Homeostatic mechanisms can compensate for circulatory shock during the _____ stage
A.
B.
C.
D.
E.
101.  Branches off the aortic arch include the
A.
B.
C.
D.
E.
102.  Major branches of the subclavian artery include the _____ artery(ies).
A.
B.
C.
D.
E.
103.  After passing the first rib, the subclavian artery becomes the _____ artery.
A.
B.
C.
D.
E.
104.  In the upper arm, the axillary artery becomes the _____ artery.
A.
B.
C.
D.
E.
105.  The brachial artery branches to form the radial and _____ arteries.
A.
B.
C.
D.
E.
106.  The two vertebral arteries fuse to form a large artery, the
A.
B.
C.
D.
E.
107.  The internal carotids and the basilar artery are interconnected by an anastomosis called the
A.
B.
C.
D.
E.
108.  At the carotid sinus,
A.
B.
C.
D.
E.
109.  The _____ divides the aorta into a superior thoracic aorta and an inferior abdominal aorta.
A.
B.
C.
D.
E.
110.  Branches of the thoracic aorta include all of the following, except the _____ arteries.
A.
B.
C.
D.
E.
111.  Near the level of vertebra L4, the aorta branches to form the _____ arteries.
A.
B.
C.
D.
E.
112.  The external iliac artery branches to form the _____ arteries.
A.
B.
C.
D.
E.
113.  In the lower leg, the femoral artery becomes the _____ artery.
A.
B.
C.
D.
E.
114.  Branches of the popliteal artery include the
A.
B.
C.
D.
E.
115.  The vessel that receives blood from the head, neck, chest, shoulders, and arms is the
A.
B.
C.
D.
E.
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