Angina pectoris is
A. another term for "chest pain."
B. the muscle tissue that lines the right side of the heart.
C. when blood leaks back into the atria because the valves are leaky.
D. when a blood vessel bursts in the brain.
E. the muscle tissue that lines the left side of the heart.
Answer: A
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What is the correct pathway for a neural impulse?
a. Interneuron - motor - sensory b. Sensory - motor - interneuron c. Motor - sensory - interneuron d. Motor - sensory - interneuron e. Sensory - interneuron - motor
Insulin stimulates an increase in number of glucose carrier proteins at a cell membrane's surface. What effect will insulin have on cell function? Choose all that apply.
A. Lack of membrane receptors for insulin will decrease amount of glucose taken in. B. Low insulin levels will decrease the number of available carrier proteins. C. An increase in insulin, which will increase the diffusion rate. D. ATP amounts needed for this transport will increase.
Studies on aneuploidies of the sex chromosomes reveal that
A. the X chromosome is not necessary for survival. B. the Y chromosome is not necessary for survival. C. two copies of the X chromosome are necessary for survival. D. two copies of the Y chromosome are fatal. E. none of these is true.
A plant grown at high density will produce ________ seeds than the same plant grown at low density
Fill in the blank(s) with correct word