An increase in blood viscosity will cause an increase in peripheral resistance.
Indicate whether the statement is true or false
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Question 2) While auscultating heart sounds during a checkup, Andy's doctor hears a high-pitched sound during ventricular contraction. Which type of valve could cause this?
A) incompetent tricuspid valve
B) deficient pulmonary semilunar valve
C) insufficient mitral (bicuspid) valve
D) stenotic aortic semilunar valve
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Question 3) Matching
A) External iliac artery
B) Internal carotid artery
C) Brachiocephalic trunk
D) Celiac trunk
E) Radial artery
17) Gives rise to the right common carotid and right subclavian artery.
18) Supplies a lower limb.
19) Common site to take the pulse.
20) Major supply to the cerebral hemispheres.
21) Large unpaired branch of the abdominal aorta that supplies the liver, stomach, and spleen
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Question 4) Normal heart sounds are caused by which of the following events?
A) friction of blood against the chamber walls
B) closure of the heart valves
C) opening of the heart valves
D) excitation of the sinoatrial (SA) node
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Question 5) Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation?
A) tunica externa
B) tunica adventitia
C) tunica media
D) tunica intima
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Question 6) Arteries supplying the same territory are often merged with one another, forming arterial anastomoses.
Indicate whether the statement is true or false
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Question 7) What is the expected heart rate when a heart is removed from a living body?
A) 75 beats / minute
B) 100 beats / minute
C) 50 beats / minute
D) the heart would immediately stop beating
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Question 8) Matching
A) E
B) B
C) D
D) C
E) A
6) Splenic vein.
7) Superior mesenteric vein.
8) Inferior mesenteric vein.
9) Hepatic portal vein.
10) Right gastroepiploic vein.
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Question 9) Heart tissue is supplied with nutrients primarily by diffusion from the heart chambers through the myocardium.
Indicate whether the statement is true or false
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Question 10) Which of the following is a type of circulatory shock?
A) vascular, due to extreme vasodilation as a result of loss of vasomotor tone
B) cardiogenic, which results from any defect in blood vessels
C) circulatory, where blood volume is normal and constant
D) hypovolemic, caused by increased blood volume
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