The gradient of which ion supplies the energy that drive ATP synthesis by ATP synthase?
a. Na+
b. K+
c. H+
d. Cl-
e. Ca+2
C
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A plank position is part of a yoga/Pilates workout. The person supports the body on the floor in a prone position with the arms and feet supporting the body. It is little similar to the "up" position of a push-up, held for 30 to 60 seconds. Contraction of the abdominal muscles in a plank is most likely
A. isometric. B. isotonic. C. concentric. D. eccentric.
The adult skeleton contains ________ major bones
A) 88 B) 115 C) 174 D) 206 E) 251
Which of the following is true of sensory adaptation?
A) It is an increase in sensitivity in the presence of a constant stimulus. B) It is the decline in activity along the afferent fiber after an initial strong response. C) It is not dependent upon synaptic fatigue. D) It occurs when the receptors of sensory neurons retain a constant level of activity. E) None of the answers are correct.
The cranial nerve involved in chewing food is the
A) trochlear (IV). B) trigeminal (V). C) abducens (VI). D) facial (VII). E) vestibulocochlear (VIII)