If a patient being tested inhales as deeply as possible and then exhales as much as possible, the volume of air expelled would be the patient's
A) tidal volume.
B) total lung capacity.
C) expiratory reserve volume.
D) reserve volume.
E) vital capacity.
Answer: E
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What type of white fibers connect areas of the cerebral cortex in the same hemisphere?
A. basal fibers B. commissural fibers C. projection fibers D. association fibers
The ____________________ and ____________________ nuclei in the hypothalamus produce vasopressin and oxytocin
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An increase in sodium and chloride ions in the peritubular fluid affects the descending thin limb in what way?
A) When the osmotic concentration around the peritubular fluid increases around the descending limb the result is a decreased osmotic outflow of water. B) When the osmotic concentration around the peritubular fluid increases around the descending limb the result is secretion of potassium ions. C) When the osmotic concentration around the peritubular fluid increases around the descending limb the result is an increased osmotic outflow of water. D) When the osmotic concentration around the peritubular fluid increases around the descending limb the result is reabsorption of potassium ions. E) When the osmotic concentration around the peritubular fluid increases around the descending limb the result is secretion of hydrogen ions.
Lymph transport involves all but which of the following?
A. lymph capillary minivalve action B. milking action of active muscle fibers C. thorax pressure changes during breathing D. smooth muscle contraction in the lymph capillary walls