Core body temperature maintenance — Flashcards

Flashcard 1: Which interleukin is primarily responsible for fever and acute inflammation?_____

Answer: IL-1

Flashcard 2: The _____ hypothalamus senses elevated body temperatures and mediates responses to dissipate heat

Answer: anterior

Flashcard 3: Exposure to cold temperatures causes increased activation of _____ hormone

Answer: thyroid

Flashcard 4: Lesion of the _____ hypothalamus results in hyperthermia

Answer: anterior

Flashcard 5: The anterior hypothalamus controls the _____ nervous system

Answer: parasympathetic

Flashcard 6: In heat stroke, the hypothalamic set point is _____

Answer: normal

Flashcard 7: Hypothalamic center responsible for thermoregulation against HEATING:

Answer: Anterior hypothalamus (Preoptic area) :: center for cooling?

Extra: The anterior hypothalamus/preoptic area (AH/POA) handles heat dissipation (cooling), while the posterior hypothalamus handles heat conservation (heating). Remember: A/C = Anterior Cooling.

Flashcard 8: Hypothalamic center for heat dissipation (cooling)

Answer: Anterior hypothalamus (Preoptic area)

Extra: Mnemonic: Anterior = Cooling (A/C) Posterior = Heating (P/H)

Flashcard 9: What is the effect of the cytokines released by activated macrophages?

Answer: fever, hypotension