Which describes the skin's form and function?
A. Washable
B. Indicator of health
C. A barrier
D. Self-renewing
E. All of the choices are correct.
Answer: E
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Actin
a. has ATPase activity. b. is spherical. c. forms a helical chain that forms the main structural component of the thin filaments. d. two of these answers. e. all of these answers.
ANP is a hormone that causes
A. constriction of the afferent arterioles and release of renin. B. constriction of the afferent arterioles and inhibition of renin release. C. dilation of the afferent arterioles and inhibition of renin release. D. dilation of the afferent arterioles and release of renin.
If you have a blood pressure of 110/80 mmHg, what is your pulse pressure?
A. 30 mmHg B. 80 mmHg C. 110 mmHg D. 190 mmHg
Which of the following is not a function of the nervous system?
A) sense the internal and external environments B) integrate sensory information C) coordinate voluntary and involuntary activities D) direct long-term functions, such as growth E) control peripheral effectors