Negative feedback results in a response that opposes the original deviation from normal.
Answer the following statement true (T) or false (F)
True
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Pancreatic amylase serves its function when it is located in the
A. mouth. B. blood. C. liver. D. stomach. E. small intestine.
During the defecation reflex, the
A) stretch receptors in the rectal walls stimulate parasympathetic motor neurons. B) internal and external anal sphincters relax simultaneously. C) abdominal wall relaxes and the internal abdominal pressure decreases. D) gastroileal reflex moves materials into the rectum through mass peristalsis. E) decreased peristaltic contractions occur in the sigmoid colon and rectum.
Malignant hyperthermia is a hereditary disorder that can increase surgical risk, due to elevated temperature during certain types of anesthesia
The cause of the increased temperature is an increased cytosolic Ca++ level secondary to an anesthetic-induced: A. increased Ca++ release from the SR, due to a mutation in the ryanodine receptor B. decreased Ca++ uptake by the SR, due to a mutation in SERCA C. increased frequency of rupturing of skeletal muscle fibers D. decreased Ca++ extrusion, due to hyperphosphorylation of the plasmalemmal Ca++ pump E. increased Ca++ influx, due to a mutation in N-type Ca++ channels
In which of the following locations in a growing bone would the greatest osteoclast activity be found?
A. articular cartilage B. perichondrium C. epiphyseal plate D. epiphysis E. medullary cavity