Which are the principal anions in the ECF?
A) magnesium and potassium
B) sodium and potassium
C) phosphate and chloride
D) chloride and bicarbonate
E) magnesium and bicarbonate
D) chloride and bicarbonate
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The amount of filtrate produced per minute is called the
A. renal fraction. B. filtration fraction. C. glomerular filtration rate. D. clearance fraction. E. renal rate.
The lipid bilayer is held together mainly by
a. covalent bonding between membrane lipids. b. hydrogen-bonding between the phospholipids' tails. c. repulsion between the phospholipids' tails and water. d. covalent bonding between the ends of phospholipids tails in opposite layers. e. hydrogen-bonding between the head groups of the phospholipids.
Menstrual cramps are most commonly caused by
A. increased prostaglandin secretions. B. increased estrogen secretion by the ovary. C. increased FSH levels. D. increased HCG hormone release. E. a decreased inflammatory response in the endometrium.
A sudden, loud noise will reflexively cause the tensor tympani muscle to __________ and cause the stapedius muscle to __________.
-relax; contract -contract; relax -contract; contract -relax; relax