Age-Related Changes in Thermoregulation — Flashcards

Flashcard 1: BMR of the body is _____ in cold environment

Answer: increased

Flashcard 2: Sweating in a desert is a cause of _____-osmotic volume contraction

Answer: hyper

Flashcard 3: heat stroke occurs due to _____

Answer: failure of heat regulation

Extra: 

Flashcard 4: heat syncope occurs due to _____

Answer: vasodilation

Extra: 

Flashcard 5: heat exhaustion occurs due to _____

Answer: impaired salt and water balance in the body

Extra: 

Flashcard 6: Pyrogens induce fever via increased production of _____, which acts on the anterior hypothalamus to increase local production of prostaglandins

Answer: IL-1

Flashcard 7: Reason for paradoxical undressing is _____-induced paralysis of the vasomotor nerves, leading to vasodilation.

Answer: cold

Flashcard 8: Exposure to cold temperatures activates centers in the _____ hypothalamus, which then activate α and γ motoneurons innervating skeletal muscle, causing shivering

Answer: posterior

Flashcard 9: Heat _____ occurs because of vasodilation and volume depletion(from sweating) following exercise or prolonged standing

Answer: syncope

Flashcard 10: Numbness is an effect of _____ stress.

Answer: cold