The response to signals from muscle spindles is to
A. increase the degree of muscle relaxation.
B. increase the degree of muscle contraction.
C. decrease the degree of muscle contraction.
D. decrease the frequency of impulses to muscles.
Answer: B
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A. AV node to the atrial muscle fibers. B. SA node through the AV node. C. SA node to the Purkinje fibers. D. SA node to the atrial muscle fibers.
Which organs produce hormones associated with increased intestinal calcium absorption?
A. Stomach, small intestines, liver B. Skin, liver, kidney C. Stomach, liver, kidney D. Small intestine, liver, skin E. Pancreas, small intestine, kidney
Susie has hyperthyroidism. How might this affect ATP production during exercise?
What will be an ideal response?
Stretch marks develop on the abdomen of pregnant women because of stretching and rupture of the ________.
A. epidermis B. stratum corneum C. subcutaneous tissue D. melanocytes E. dermis