Muscle fatigue arises primarily from failure in
A) neuromuscular transmission.
B) signal relay from brain to spinal cord.
C) initiation of contraction by the motor cortex.
D) calcium pumps in the skeletal muscles.
E) excitation-contraction coupling.
E) excitation-contraction coupling.
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The largest sesamoid bone in the body is found
A. in the vicinity of the knee. B. in the foot. C. in the hand. D. All sesamoid bones are approximately the same size.
A man presents with median nerve palsy in his left hand. What is the most likely site of injury?
a) Dorsal scapular nerve b) Intercostal nerve c) Lumbar plexus d) Median nerve e) Radial nerve
All of the following are found in the larynx EXCEPT the ________
A) primary bronchi B) cricoid cartilage C) true vocal cords D) None of the listed responses is correct.
Glucagon and insulin work ________ on blood glucose levels.
A. synergistically B. antagonistically C. permissively