Which blood vessel carries blood from the heart to the lungs?
A) aorta
B) vena cava
C) pulmonary artery
D) pulmonary vein
C
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Which of the following is a precaution to be taken DURING fire-flow tests?
A. Open all hydrant outlets. B. Shut down traffic in the area. C. Do not stand in front of closed caps. D. Lean over the top of a hydrant when operating.
Which statement regarding the role and function of the cervix during pregnancy is true?
A) The cervix constricts near the time of delivery to prevent a premature birth B) The cervix becomes plugged with mucus to prevent contamination of the uterus during gestation C) The EMT can palpate the cervix to measure the contractions that the mother is having during the third trimester D) The "bloody show" comes from the cervix and confirms pregnancy in the first trimester
Activation of the sympathetic nervous system during vasodepressor syncope with a lack of physical activity will lead to:
A. tachycardia. B. cerebral ischemia. C. hypertension. D. Valsalva maneuver.
Where do most intracranial aneurysms occur?
a. arterial bifurcations b. tunica media c. venous sinus d. venous valves