Creatine phosphate functions in the muscle cell by:
A) forming a temporary chemical compound with myosin
B) forming a chemical compound with actin
C) inducing a conformational change in the myofilaments
D) storing energy that will be transferred to ADP to resynthesize ATP as needed
E) storing energy that will be transferred to ATP to resynthesize ADP as needed
D) storing energy that will be transferred to ADP to resynthesize ATP as needed
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During the early part of the menstrual cycle, ________ acts on granulosa cells, which ________. ________ acts on theca cells, which ________.
A. LH; synthesize androgens; FSH; convert androgens to estrogens B. FSH; synthesize androgens; LH; convert androgens to estrogens C. LH; convert androgens to estrogens; FSH; synthesize androgens D. progesterone; synthesize androgens; LH; secrete estrogens E. FSH; convert androgens to estrogens; LH; synthesize androgens
Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except
A) redness of the inflamed tissue. B) chemotaxis of phagocytes. C) heat of the inflamed tissue. D) movement of defense proteins and cells into the interstitial space. E) swelling of the inflamed tissue.
Which vessel has a wall that is about 3/4 smooth muscle and thick external and internal laminae?
A. Large vein B. Conducting artery C. Distributing artery D. Muscular venules E. Medium vein
Steroid hormones are stored in the cells that synthesize them until a stimulus is received that provokes their secretion
Indicate whether the statement is true or false.