Which vein or veins drain the head, neck, and upper extremities?
a. jugular veins
b. azygos vein
c. subclavian veins
d. brachiocephalic veins
Answer: d. brachiocephalic veins
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With age, connective tissues
A. lose their blood supply. B. become more flexible. C. increase in mass. D. lose their pliability and resiliency. E. become thinner.
Which of the following is not true of respiratory alkalosis?
A. It can result in death, if the blood pH reaches 8.0 or above. B. It can result from an increase in the CO2 level in the blood. C. It exists when the blood pH is >7.45. D. It causes vasoconstriction of the cerebral blood vessels, which decreases oxygen delivery to the brain. E. All of these are true of respiratory alkalosis.
Total lung capacity (TLC) cannot be measured with a spirometer.
Answer the following statement true (T) or false (F)
An embryonic septum that develops within the bulbus cordis and truncus arteriosus produces what structures?
A. The right and left atria B. The right atrium and right ventricle C. The ascending aorta and pulmonary trunk D. The right and left ventricles E. The left atrium and left ventricle