The sarcoplasmic reticulum wraps like a sleeve around the myofibril and stores and releases calcium
Indicate whether the statement is true or false
TRUE
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Stimulus to the muscle spindle elicits the ________ reflex
A) stretch B) consensual C) plantar D) ciliospinal
The larynx is supported by nine pieces of cartilage. Which cartilages occur in pairs?
A. Corniculate and cricoid B. Cricoid, corniculate, and arytenoid C. Corniculate, cuneiform, and arytenoid D. Thyroid and corniculate E. Arytenoid and epiglottis
One of the unhealthy effects of blood doping is to
A. increase the viscosity of the blood. B. decrease the blood pressure in the arteries. C. decrease the oxygen carrying capacity of the blood. D. increase the carbon dioxide carrying capacity of the blood. E. increase the oxygen carrying capacity of the blood.
Which of the following explains the neural mechanism of an erection?
A. It is an autonomic reflex mediated predominantly by parasympathetic nerve fibers. B. It is a somatic reflex mediated predominantly by parasympathetic nerve fibers. C. It is an autonomic reflex mediated predominantly by sympathetic nerve fibers. D. It is a somatic reflex mediated predominantly by sympathetic nerve fibers. E. It is an exclusively voluntary action mediated by the cerebral cortex.