Mary Martin, America's favorite leading lady of musical comedy, as Ens. Nellie Forbush in "South Pacific," Maria von Trapp in "The Sound of Music" or the title role in "Peter Pan," died Saturday afternoon at her home in Rancho Mirage, Calif. She was 76 years old.
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
Cerebrospinal Fluid (CSF) flows through the four ventricles and then flows between the meninges in an area called the subarachnoid space. CSF cushions the brain and spinal cord against forceful blows distributes important substances and carries away waste products.