Blood capillaries are indicated by ________
E
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The baroreceptor reflex would cause which of the following events to occur if the reflex was caused by an increase in blood pressure?
A. Increased parasympathetic stimulation of the heart B. Increased heart rate C. Increased cardiac output D. Increased sympathetic stimulation of the heart E. Increased force of contraction
Tom's blood type is AB positive. What does this mean?
A) He can only receive blood from a donor who is AB positive. B) Antibodies to A and B are present in the plasma. C) His blood lacks the Rh factor. D) There are no antibodies to A, B, or Rh antigens in the plasma.
During the early steps of glycolysis, glucose is converted to glucose 6-P, and then glucose 6-P is converted directly to
A. isomerase. B. NADH. C. fructose 6-P. D. aldolase. E. pyruvate.
What happens when acetylcholine stimulates its receptors in the neuromuscular junction?
A) The inhibitory effect of acetylcholinesterase is overridden. B) The threshold of the muscle fiber lowers. C) The release of Ca2+ from the sarcoplasmic reticulum decreases. D) The permeability of the sarcolemma to Na+ increases. E) The positive charge on the sarcolemma decreases.