Describe the problems that result in low arterial oxygen content.
What will be an ideal response?
Three categories of problems are inadequacies in oxygen reaching alveoli, oxygen exchange between the alveoli and blood, and transport of oxygen in the blood.
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As a result of the tympanic reflex,
A) vibrations are transmitted less effectively to the inner ear. B) vibrations are transmitted more effectively to the inner ear. C) the malleus is pulled toward the eardrum. D) the bridge of auditory ossicles becomes less rigid.
What structure does antidiuretic hormone target?
A. The thyroid gland B. The kidney C. The liver D. The pituitary gland E. The adrenal gland
What event must occur in the postsynaptic cell before it generates an action potential?
A) The postsynaptic cell must fuse to the presynaptic cell membrane to generate an action potential. B) The postsynaptic cell receive passage of ions through the gap junctions between the two cells in order to generate an action potential. C) The postsynaptic cell must release neurotransmitters to generate an action potential. D) The postsynaptic cell membrane must reach threshold to generate an action potential. E) The postsynaptic cell membrane must hyperpolarize to generate an action potential.
The least movable joints are ________ joints.
A. synostosis B. syndesmosis C. gomphosis D. symphysis E. synchondrosis