Which of the following joints is multiaxial?
A. The trapeziometacarpal joint
B. The coxal joint
C. A condylar joint
D. A hinge joint
E. The proximal radioulnar joint
B. The coxal joint
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Low dietary intake of cholesterol triggers cholesterol synthesis within the liver to increase.
Answer the following statement true (T) or false (F)
Suppose you cup your hands to hold some water. To limit the amount of leaking through your hands, this action would most likely require ________.
A. circumduction of the wrists B. opposition of the thumb C. pronation of the forearm D. adduction of the fingers E. abduction of the fingers
Phagocytic cells of the alveolus are the
A. squamous alveolar cells. B. alveolar macrophages. C. septal cells. D. alveolar type II cells. E. alveolar type I cells.
Answer the following statements true (T) or false (F)
1. The lifting of a 10-lb weight requires the activation of fewer motor units than the lifting of a 5-lb weight. 2. Twitch contractions play an important role in normal muscle activity. 3. Lifting your textbook off the desk is an example of an isotonic muscle contraction. 4. Trying to lift a car (and failing) is an example of an isotonic muscle contraction. 5. In an isometric contraction, no movement occurs but the muscle tension increases.