Question

When a person drinks alcohol, the rate of urination increases. This suggest that antidiuretic hormone (ADH) may be affected by alcohol consumption in some way> Which of the following best accounts for the increase in urination?
a. alcohol stimulates the release of ADH
b. alcohol inhibits the binding of ADH to receptors in the nephron
c. alcohol could inhibit ADH release or binding of ADH to receptors in the nephron
d. alcohol inhibits the release of ADH

Answer 1

Answer:

Option d. alcohol inhibits the release of ADH

Explanation:

Anti-diuretic hormone (ADH), is a hormone that tells our kidney how much water needs to be conserved and it also helps to regulate and balance the water level in our blood.

Alcohol prevents the production of anti-diuretic hormone (ADH), which causes an increase in urine production and most times dehydration follows. Since the alcohol opposes the production of ADH, whenever we take in alcohol, our kidney is forced to generate more urine compared to the ones we generate normally. As this continues, we find ourselves urinating often and dehydration will set in because the hormone (ADH) which would have regulate our water level has be stop by the alcohol.

Answer 2

Answer:

d. alcohol inhibits the release of ADH

Explanation:

Alcohol play an opposite role in water reabsorption. ADH is made in supraoptic nuclues of hypothalamus and transfers fby neuron to posterior pituatry where it gets stored and secreted. Alcohol stops the release of ADH from posterior pituatry which decreases the serum level of ADH. As the ADH level lowers it wont be able to reabsorb water from the distal/collecting tubules of kidneys leading to increase in urine volume and urination.