Which of the following time periods is termed electromechanical delay?
A. the time required for conduction of the nerve impulse to the neuromuscular junction
B. the time required for the nerve impulse to cross the neuromuscular junction
C. the time required for the muscle to initiate the development of tension after receipt of the nerve impulse
D. the time required for a muscle to reach peak tension after the development of tension is initiated
C. the time required for the muscle to initiate the development of tension after receipt of the nerve impulse
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Chemoreceptors are located in all of the following except
A) carotid bodies. B) aortic bodies. C) the skin. D) the organs of taste. E) the organs of smell.
Electrical signals are conducted toward the cell body of a neuron by its __________
Fill in the blank with correct word.
What two compounds link the citric acid cycle and the electron transport system?
a. NAD2 and FAD2 b. H2O and O2 c. hydrogen peroxide and ATP synthase d. NAD+ and FAD e. H+ ions and glucose
Which of the following statements regarding melanin is true?
A. Men produce more melanin than women. B. In Addison's disease, less melanin is produced. C. During pregnancy melanin production is increased. D. Both melanocytes and keratinocytes produce melanin. E. Melanin is a white pigment.