Marielle is very thirsty following her tennis game. She drinks for a few minutes, then
stops. The stimulus to stop drinking comes from
A) changes in intracellular fluid concentration.
B) hormones secreted by stomach cells.
C) changes in extracellular fluid concentration.
D) distension of her stomach.
D
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____________________ is converted to ____________________ and then acts as an enzyme to activate fibrinogen
Fill in the blank(s) with correct word
All of the following are true of the lacrimal glands except that they
A) produce a strongly hypertonic fluid. B) produce most of the volume of tears. C) produce lysozyme. D) produce watery, slightly alkaline secretions. E) are located in recesses in the frontal bones.
Urinary K+ excretion is increased by which of the following?
A. hypokalemia B. hyperaldosteronism C. antidiuretic hormone (ADH) D. a decrease in GFR E. administration of amiloride
The structure that assists in descent of the testes is (the)
A) gubernaculum testis. B) seminal glands. C) scrotum. D) mediastinum. E) All of the answers are correct.