What is the greatest determinant of the intracellular water volume?
A) Ca2+ B) PO43- C) Cl- D) K+ E) Na+
D
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Actions for which the sympathetic division of the ANS is responsible include
A) constriction of the pupils of the eyes. B) constriction of respiratory passages. C) acceleration of heart rate and increase in strength of cardiac contractions. D) increase in digestive activity and the rate of urine formation at the kidneys. E) All of the answers are correct.
Sodium is directly or indirectly controlled through all these mechanisms except
a. the baroreceptor reflexes b. the renin-angiotensin mechanism c. aldosterone activity d. changes in GFR e. altering gastrointestinal absorption
The "heart" can actually be classified as a hormone-producing structure.
a. true b. false
Adipose tissue in the ________ provides insulation that reduces the body's heat loss or gain.
A. epidermis B. subcutaneous tissue C. dermis D. None of the choices are correct.