Question

Dan has been lost in the desert for 2 days with very little water. As a result of this exposure, you would expect to observe which of the following?
a. elevated ADH levels
b. decreased blood osmolarity
c. normal urine production
d. increased blood volume
e. increased interstitial fluid

Answer 1

Answer:

The correct answer is a. elevated ADH levels

Explanation:

The function of ADH is to regulate the excretion of water from kidneys. As Dan has been lost in the desert for 2 days his body must be dehydrated and in stress which gives signal to hypothalamus gland to increase ADH level.

Once ADH level is increased his kidney starts reabsorbing as much water as it can preventing his body to become dehydrated and  reduce his urine amount.

So the correct answer is a. elevated ADH levels

Answer 2

As a result of this exposure to dehydration conditions, it is expected to observe elevated ADH levels (Option A).

What is the ADH hormone?

Antidiuretic hormone (ADH) is a specific chemical messenger capable of controlling the amount of water in the human body.

• ADH acts on the kidneys to control the amount of H2O that the body can reabsorb.

• The ADH hormone plays a fundamental role during dehydration conditions.

In conclusion, as a result of this exposure to dehydration conditions, it is expected to observe elevated ADH levels (Option A).

Learn more about the ADH hormone here:

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