Which of the following will cause the plasma membrane to hyperpolarize when at its RMP?
A. An outflow of chloride
B. An inflow of sodium
C. An inflow of calcium
D. An inflow of potassium
E. An inflow of chloride
Answer: E
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The activities of an anatomist consist of ________, whereas those of a physiologist consist of ________.
A. conducting experiments; making microscopic examinations B. observing body parts; studying functions of body parts C. studying molecules; observing forms of the body parts D. sketching; dissecting
Single-unit smooth muscle and cardiac muscle are both self-excitable
Indicate whether the statement is true or false
Frequent handwashing removes the antimicrobial secretions of:
A) ceruminous glands. B) holocrine glands. C) sebaceous glands. D) sweat glands.
The embryonic germ layer that is the source of connective tissue and muscle is
A. exoderm. B. neuroectoderm. C. endoderm. D. ectoderm. E. mesoderm.