A sprain occurs when a twisting or turning action tears ____ associated with a joint
a. tendons
b. bursae
c. ligaments
d. disks
c
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The muscle that inserts on the coronoid process of the mandible is the
A) temporalis. B) masseter. C) orbicularis oris. D) zygomaticus. E) platysma.
You (a healthy individual) are swimming underwater when you can no longer resist the urge to breathe. This overwhelming urge is probably due to
A. the increase in pH has made your blood dangerously alkaline. B. the autorhymthic cells in your diaphragm contracting. C. the decrease in O2 available to the cells of the body. D. the increase in plasma H+.
Which of the following associations is incorrect pertaining to the blood supply of the brain?
A) middle cerebral artery—supplies the lateral surface of the brain B) anterior communication artery—connects anterior cerebral arteries C) hemorrhagic stroke—severe headache and stiff neck D) cerebral arterial circle (circle of Willis)—an anastomosis between the two vertebral and two internal carotid arteries E) cerebral arterial circle (circle of Willis)—in most cases prevents development of neurological symptoms following acute ischemic stroke
The sequence of veins returning blood from the stomach is ________.
A. gastric veins ? hepatic portal vein ? liver ? hepatic vein ? inferior vena cava ? right atrium B. gastric veins ? inferior vena cava ? right atrium C. gastric veins ? liver ? hepatic portal vein ? inferior vena cava ? right atrium D. gastric veins ? hepatic vein ? liver ? inferior vena cava ? right atrium