Enzymes secreted by the small intestine include
A. disaccharidases.
B. secretin.
C. cholecystokinin.
D. bile.
E. histamine.
A
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Which of the following does NOT contribute to the increase of breathing rate during exercise?
A. Stimulation of the respiratory areas by decreasing blood concentration of oxygen and increasing blood concentration of carbon dioxide B. Stimulation of the respiratory areas by sensory impulses from proprioceptors C. A joint reflex D. Signals from cerebral cortex to skeletal muscles are also sent to the respiratory areas
Showing your palm to someone who is in front of you, as if to tell them "Stop," requires
A. hyperextension of the wrist. B. flexion of the wrist. C. abduction of the wrist. D. hyperextension of the metacarpophalangeal joints. E. dorsiflexion of the hand.
Which of the following is NOT true about axon transport?
A. It refers to the passage of materials from axon terminals to the cell body of a neuron. B. It refers to the transport of materials from the inside to the outside across the axonal membrane. C. It refers to the passage of materials from the cell body of a neuron to the axon terminals. D. It is especially important for maintaining the integrity of neurons with long axons.
Most human movement falls into which category?
A. rectilinear B. curvilinear C. angular or rotational D. general