Alcohol inhibits the release of antidiuretic hormone (ADH, or vasopressin) from the posterior pituitary. Determine why alcohol is a poor choice for rehydration when we are thirsty
What will be an ideal response?
The primary effect of ADH is to increase the amount of water retained by the kidneys in response to increasing solute concentration in the blood. A lack of ADH can occur when alcohol is consumed. An insufficient amount of ADH increases the risk for dehydration since the body is unable to retain most of the water that is consumed.
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What enzyme do granulosa cells contain?
a. inhibin b. lactase c. kisspeptin d. granulase e. aromatase
A long bone is covered externally with a sheath called the ________, whereas the marrow cavity is lined with the ________.
A. diaphysis; epiphysis B. periosteum; endosteum C. endosteum; periosteum D. compact bone; spongy bone E. epiphysis; diaphysis
The cell-to-cell contacts of the cardiac muscle fibers are called
A. cardiac discs. B. T-tubules. C. intercalated discs. D. sarcoplasmic reticulum. E. Z discs.
Which of the following statements about the Na+-K+ pump is incorrect?
a. Phosphorylation of the pump must occur before K+ can attach to its binding site. b. It has ATP synthase activity. c. It helps decrease Na+ and K+ concentration gradients across the plasma membrane. d. It regulates cell volume by controlling the concentration of solutes inside the cell. e. Its action is important for secondary active transport.