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A&p 2 The Heart

86 Questions  I  By Rocio1
A&P 2  The heart
Glands, heart, vessels

  
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1.  Damage to the__________ is referred to as heart block
A.
B.
C.
D.
2.  Normal heart sounds are caused by which of the following events?
A.
B.
C.
D.
3.  The p wave of a normal electrocardiogram indicates_____________
A.
B.
C.
D.
4.  Which of the following is not an age-related change affecting the heart?
A.
B.
C.
D.
5.  Which of the following is not part of the conduction system of the heart?
A.
B.
C.
D.
6.  Blood within the pulmonary veins returns to the
A.
B.
C.
D.
7.  The left ventricular wall of the heart is thicker than the right wall in order to
A.
B.
C.
D.
8.  Small muscle masses attached to the chordae tendineae are the
A.
B.
C.
D.
9.  Which of the events below does not occur when the semilunar valves are open?
A.
B.
C.
D.
10.  The term for pain associated with deficient blood delivery to the heart that may be caused by the transient spasm of coronary arteries is
A.
B.
C.
D.
11.  To auscultate the aortic semilunar valve, you would place your stethoscope in the
A.
B.
C.
D.
12.  The source of blood carried to capillaries in the myocardium would be the
A.
B.
C.
D.
13.  The fact that the left ventricle of the heart is thicker than the right ventricle reveals that it
A.
B.
C.
D.
14.  Hemrrhage with a large loss of blood causes
A.
B.
C.
D.
15.  If cardiac muscle is deprived of its normal blood supply, damage would primarily result from
A.
B.
C.
D.
16.  If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells
A.
B.
C.
D.
17.  Norepinephrine acts on the heart by
A.
B.
C.
D.
18.  If the vagal nerves to the heart were cut, the result would be that
A.
B.
C.
D.
19.  Foramen ovale
A.
B.
C.
D.
20.  Which vessel of the heart recieves blood during right ventricular systole?
A.
B.
C.
D.
21.  Which of these vessels receives blood during ventricular systole?
A.
B.
C.
D.
22.  The tricuspid valve is closed
A.
B.
C.
D.
23.  Which of the following factors does not influence heart rate
A.
B.
C.
D.
24.  When viewing a dissected heart, it is easy to visually discern the right and left ventricles by
A.
B.
C.
D.
25.  Select the correct statement about the heart valves
A.
B.
C.
D.
26.  Select the correct statement about the structure of the heart wall
A.
B.
C.
D.
27.  The second heart sound is heard during which phase of the cardiac cylce?
A.
B.
C.
D.
28.  Select the correct statement about cardiac output
A.
B.
C.
D.
29.  Isovolumetric contraction
A.
B.
C.
D.
30.  Compared to skeletal muscle, cardiac muscle
A.
B.
C.
D.
31.  During the period of ventricular filling
A.
B.
C.
D.
32.  The time of day most hazardous for heart attacks is
A.
B.
C.
D.
33.  Select the correct statement about the function of myocardial cells
A.
B.
C.
D.
34.  During contraction of hear muscle cells
A.
B.
C.
D.
35.  Commotio cordis is heart failure due to a
A.
B.
C.
D.
36.  Which statement best describes arteries
A.
B.
C.
D.
37.  If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid
A.
B.
C.
D.
38.  Which tunic of an artery is most responsible for maintaining blood pressure and continous blood circulation?
A.
B.
C.
D.
39.  Which of hte following chemicals does not help regulate blood pressure?
A.
B.
C.
D.
40.  Which tunic of an artery contains endothelium?
A.
B.
C.
D.
41.  Aldosterone will
A.
B.
C.
D.
42.  Brain blood flow autoregulaton
A.
B.
C.
D.
43.  Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of
A.
B.
C.
D.
44.  The circulatory route that runs from the digestive tract to the liver is called
A.
B.
C.
D.
45.  The arteries that are also called distributing arteries are the
A.
B.
C.
D.
46.  Which of the following signs of hypovolemic shock is a relatively late sign?
A.
B.
C.
D.
47.  Which of the following is likely during vigorous exercise?
A.
B.
C.
D.
48.  Which of the following is not one of the three main factors influencing blood pressure?
A.
B.
C.
D.
49.  Which of the choices below explains why the artreioles are known as resistance vessels?
A.
B.
C.
D.
50.  Which of the following processes provides a long-term response to changes in blood pressure?
A.
B.
C.
D.
51.  The form of circulatory shock known as hypovolemic shock is
A.
B.
C.
D.
52.  Peripheral resistance
A.
B.
C.
D.
53.  Blood flow to the skin
A.
B.
C.
D.
54.  The pulse pressure is
A.
B.
C.
D.
55.  Which of the following do not influence arterial pulse rate?
A.
B.
C.
D.
56.  Which of the following is true about veins?
A.
B.
C.
D.
57.  Which of the choices belwo reflects the balance (or imbalance) between the direction and amount of luid that flows across the capillary walls?
A.
B.
C.
D.
58.  The influence of blood vessel diameter on peripheral resistance is
A.
B.
C.
D.
59.  Histologically, the _________  is squamous epithelum supported by a sparse connective tissue layer
A.
B.
C.
D.
60.  In the dynamics of blood flow through capillaries, hydrostatic pressure
A.
B.
C.
D.
61.  Mechanisms that do not help regulate blood prssure include
A.
B.
C.
D.
62.  The term ductus venosus refers to
A.
B.
C.
D.
63.  Which of the following is a type of circulatory shock?
A.
B.
C.
D.
64.  Which of the choices below does not involve tissue perfusion?
A.
B.
C.
D.
65.  A patient with essential hypertension might have pressures of 200/120 mm Hg. This hyperstensive state could result in all of the following changes except
A.
B.
C.
D.
66.  Arteriole blood pressure increases in response to all but which of the following?
A.
B.
C.
D.
E.
67.  Which of the following are involved directly in pulmonary circulation?
A.
B.
C.
D.
68.  Fenestrated capillaries
A.
B.
C.
D.
69.  The hepatic portal vein
A.
B.
C.
D.
70.  Factors that aid venous return include all except
A.
B.
C.
D.
71.  Select the correct statement about blood flow
A.
B.
C.
D.
72.  What do the ductus  arteriousus and the foramen ovale become at birth?
A.
B.
C.
D.
73.  Which of the following blood pressue readings would be indicative of hypertension?
A.
B.
C.
D.
74.  The velocity of blood flow is
A.
B.
C.
D.
75.  A throumbus (blood clot) in the first branch of the arch of the aorta would affect the flow of blood to the
A.
B.
C.
D.
76.  Cerebral blood flow is regulated by
A.
B.
C.
D.
77.  Normal average blood pressure for a newborn baby is
A.
B.
C.
D.
78.  Modified capillareis that are lined with phagocytes are called
A.
B.
C.
D.
79.  Select the correct statement about factors that influence blood pressure
A.
B.
C.
D.
80.  The baroreceptors in the carotid sinus and aortic arch aresitive to which of the following?
A.
B.
C.
D.
81.  The arterise that direcetly feed into the capillary beds are called
A.
B.
C.
D.
82.  The short term controls of blood pressure, mediated by the nervous sytem and bloodborne chemicals, primarily operate via all but which of the following?
A.
B.
C.
D.
83.  Where in the body would you find low oxygen levels causing vasoconstrition and high levels causing vasodilation?
A.
B.
C.
D.
84.  If blood pressure is almost normal in a person who has lost blood, doos that mean the tisssues are receiving adequate blood flow?
A.
B.
C.
85.  Which of the following would not result in the dilation of the feeder arterioles and opening of the precapillary sphincters in systemic capillary beds?
A.
B.
C.
D.
86.  Secondary hypertension can be caused by
A.
B.
C.
D.
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