Eicosanoids are modified from ____
a. arachidonic acid
b. cytokines
c. growth factors
d. histamine
e. glucose
a
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In an EKG, the T wave denotes
A. closure of the AV valves. B. depolarization of the left ventricle. C. depolarization of the atria. D. repolarization of the ventricles. E. depolarization of the right ventricle.
Which of the following statements is true concerning the mammary glands of both males and females?
A) Both sexes are equally prone to breast cancer. B) All lumps identified in breast tissue are malignant. C) The only time hormones target breast tissue is during pregnancy and lactation. D) The mammary glands are modified sweat glands that are actually part of the integumentary system.
All of the following are true about the cabbage water tests, except
A. baking soda is used in this experiment as an example of a basic substance. B. distilled water is used in this experiment as an example of a neutral substance. C. vinegar is added to one of the test tubes as an example of an acidic substance. D. red cabbage contains a pigment that functions as a colorimetric pH indicator. E. All of the choices are correct.
Which of the following is correct about the autonomic nervous system (ANS)?
A. The ANS is part of both the CNS and the PNS. B. ANS motor neurons innervate cardiac muscle fibers, smooth muscle fibers, and glands. C. ANS functions are involuntary. D. ANS motor pathways always include two neurons. E. All of the choices are correct.