The space between the axon terminal and the sarcolemma of a muscle fiber is called the ________
A) nerve gap B) synaptic cleft C) aponeurosis cleft D) muscle gap
Answer: B
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When the arrector pili muscles contract,
A) "goose bumps" are formed. B) hairs are shed. C) sweat is released from sweat glands. D) shivering occurs. E) the skin changes color.
Which of the following pairs of hormones are secreted by the posterior pituitary gland?
a) Prolactin and growth hormone b) Melatonin-stimulating hormone and oxytocin c) Oxytocin and antidiuretic hormone d) Follicle-stimulating hormone and thyroid-stimulating hormone e) Prolactin and ACTH
An insufficient AV valve
a. fails to open completely. b. fails to close completely. c. produces a gurgling diastolic murmur. d. fails to open completely and produces a gurgling diastolic murmur. e. fails to close completely and produces a gurgling diastolic murmur.
As a result of a sudden increase in the blood pressure, the baroreceptors signal a(n) ___ in sympathetic outflow, which results in a(n) ___ in peripheral resistance and return of blood pressure to normal.
a. increase, decrease b. decrease, increase c. increase, increase d. decrease, decrease