Skeletal muscle that surrounds the urethra as it extends through the pelvic floor forms the
A. trigone.
B. lamina propria.
C. external urinary sphincter.
D. internal urinary sphincter.
E. involuntary portion of bladder control.
C
You might also like to view...
Membrane-bound proteins that use metabolic energy to move ions across the plasma membrane are called ________ pumps
A) channel B) receptor C) active D) motor E) ion
Ingestion of excessive amounts of sodium bicarbonate to relieve the symptoms of indigestion may lead to
A. Respiratory acidosis B. Respiratory alkalosis C. Metabolic acidosis D. Metabolic alkalosis
Describe the source of intestinal gas
A) churning of food in the stomach increases the carbon dioxide that is mixed into the chyme B) bacterial metabolism of indigestible carbohydrates in the colon C) swallowing excess air during eating generates pockets of air that remain in the food D) as certain foods are broken down they release trapped gases E) as bile emulsifies lipids some gas is released in the process
Each upward movement of the basilar membrane causes the stereocilia of the inner hair cells to bend, opening ________ gates.
A. K+ B. Ca2+ C. Na+ D. Mg2+ E. Cl-