Electrolyte balance primarily involves balancing the rates of ________ across the digestive tract with rates of ________ at the kidneys.
A) excretion; secretion
B) filtration; absorption
C) secretion; filtration
D) absorption; loss
E) osmosis; gain
D) absorption; loss
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Which of the following muscles would be considered an antagonist to the gluteus maximus?
A) semitendinosus B) biceps femoris C) semimembranosus D) rectus femoris
Which of the following statements regarding hormone transport and distribution is FALSE?
A. Only free hormones can diffuse through capillary walls and bind to target tissues. B. Hormones can be transported free in the plasma or bound to plasma proteins. C. Plasma protein concentration has no influence on free hormone concentration. D. Hormones bind only to certain types of plasma proteins. E. All of the statements are true.
The membrane potential of cardiac muscle cells at rest is about ____ mV
a. -110 b. -90 c. -70 d. -50 e. -30
Answer the following questions true (T) or false (F)
1. Stratified epithelium does not line areas where transcellular transport is required. 2. The apical plasma membranes of simple squamous epithelial cells are often folded into microvilli, which increases their surface area for absorption. 3. Stratified squamous epithelium is composed of multiple layers of flattened cells.