Which of the following would lead to a decrease in heart rate?
a. Exercise
b. Norepinephrine
c. Sharply decreased blood volume
d. Parasympathetic stimulation
Answer: d. Parasympathetic stimulation
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Atomic radiation is useful for treating cancer because
A) radiation affects cancer cells but not normal cells. B) radiation protects normal cells against the effects of cancer. C) normal cells are not affected by radiation. D) radiation harms cancer cells more readily than it does most non-cancer cells.
What type of synovial joint is found between the carpal and metacarpal of the thumb?
A. Hinge B. Saddle C. Condyloid D. Pivot
The respiratory membrane is made up of three layers of cells.
Answer the following statement true (T) or false (F)
Depressed levels of thyroid hormones in blood resulting from a defect in the cells that secrete TSH is an example of primary hyposecretion of thyroid hormones
Indicate whether the statement is true or false.