What commonly happens diagnostically at the radial

54.
What commonly happens diagnostically at the radial artery?
a. A blood sample indicates the hematocrit.
b. Blood pressure is determined.
c.
The pulse is determined.
d. The ECG is recorded.
ANS: C
55.
Which of the following is caused by the vibrations of the blood vessel walls and reflects heart
rate?
56.
Which of the following is true?

57.
Which of the following is true of the tunica media?
58.
Which of the following best describes an artery?
a. Blood vessel that always carries oxygenated blood
b. Blood vessel that is always color-coded red
c. Blood vessel that contains valves ensuring the flow of blood from the arterial to the
venous circulation
d. Blood vessel that carries blood away from the heart
ANS: D
59.
These blood vessels are the smallest and most numerous and are composed of a single layer of
endothelium.
60.
The capillaries are color-coded red to purple to blue, thereby reflecting
61.
The function of the arterioles is directly related to the
62.
Which of the following represents a correct direction of blood flow?
a. Capillaries to arterioles to venules

b. Arteries to arterioles to venules to capillaries
c. Capillaries to venules to veins
d. Arteries to veins to venules to capillaries
ANS: C
63.
Which of the following blood vessels can withstand the highest blood pressure?