A decrease in intramuscular pH can impair muscular performance in all of the following ways except
a. inhibits release of calcium from the sarcoplasmic reticulum
b. interferes with calcium binding to troponin
c. prevents binding of acetylcholine at the sarcolemma
d. interferes with the energy-producing enzymes
C
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Which of these is the most commonly reported benefit offered in worksite health promotion programs?
A. Onsite fitness facility B. Stipend or subsidy for purchase of fitness equipment or gym memberships C. Health care premium discount for completing an annual employee health risk assessment D. On-site voluntary vaccination programs
The sheaths wrapped around nerve fibers of the peripheral nervous system can be:
A) myelinated. B) unmyelinated. C) striated. D) both A and B.
Which of the following is NOT one of the vital signs?
a. respiratory rate b. urine output c. heart rate d. blood pressure
Irritable bowel syndrome is:
A) an erosion in the wall of the stomach, duodenum, or any other part of the GI tract exposed to gastric juice B) a lack of the enzyme lactase in the small intestine, producing symptoms of gas production when dairy foods are consumed C) a chronic disease characterized by periodic disturbances of diarrhea and constipation without clear physical damage D) a syndrome affecting the intestines characterized by a wide range of symptoms and conditions, ranging from diarrhea to ulcerative colitis and Crohn disease