Swelling of a blood vessel due to vascular weakness or damage is known as ___.
a) aneurism
b) ischemia
c) hypoxia
d) occlusion
Ans: a) aneurism
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Which of the following would be associated with the action of steroids on cells?
A) extracellular receptors with a specificity for only a single amino acid sequence on the hormone B) an enzyme that catalyzes the formation of cyclic AMP C) second-messenger systems D) a hormone-receptor complex that interacts directly with the cell's DNA
Which segment of the small intestine receives chyme from the stomach?
A) cecum B) ileum C) jejunum D) duodenum
Boyle's law states that gas volume is
A) directly proportional to pressure. B) directly proportional to temperature. C) inversely proportional to pressure. D) inversely proportional to temperature. E) both directly proportional to pressure and directly proportional to temperature.
Which bone is not part of the axial skeleton?
A. Frontal bone B. Clavicle C. Sacrum D. Malleus E. Atlas