Which of the following is true regarding circumduction?
A. combines flexion, extension, adduction, and abduction
B. synonymous with rotation
C. both A & B
D. none of the above
A. combines flexion, extension, adduction, and abduction
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Cholesterol is essential for the synthesis of steroid hormones.
Answer the following statement true (T) or false (F)
The function of the epiglottis is to
A) seal the opening larynx during swallowing. B) contain lymphoid tissues as do the tonsils. C) equalize air pressure between the naso- and oropharyngeal regions. D) warm the entrance to the pharynx, as it is extremely vascular with warm arterial blood. E) None of the answers are correct.
Which tarsal bones of the foot are proximally situated?
A) medial, intermediate, and lateral cuneiform B) cuboid and scaphoid C) scaphoid, lunate, triquetrum, and pisiform D) talus, calcaneus, navicular
Describe a motor unit. How many fibers does a motor unit contain?