A person working outside in the hot sun can perspire a great deal. This increase in perspiration results in an increase in water loss from the body. Increased water loss causes the blood osmolality to increase. This increased osmolality is "sensed" by the ________.
A. kidneys
B. cerebral cortex
C. osmoreceptors
D. anterior pituitary
E. baroreceptors
Answer: C
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What is a sesamoid bone?
A. A bone growing within some cartilages in response to pressure B. A bone that forms within some tendons in response to stress C. A bone that forms in the cranium in response to trauma D. A bone made of dense regular connective tissue E. A bone made of hyaline cartilage
Which type(s) of EEG waves would you expect to be dominant in an awake person who is relaxing with eyes closed, and not concentrating on anything in particular?
A. Alpha and beta B. Alpha C. Delta D. Beta E. Theta
Anaerobic respiration metabolism is triggered when the ratio of ________ falls below a critical level.
A. oxygen supply to oxygen need B. oxygen supply to glucose need C. carbon dioxide supply to oxygen need D. glucose supply to glucose need
When a skeletal muscle is in a relaxed state, a space exists between the
A. thin myofilaments. B. thick myofilaments. C. a and b D. Neither a nor b