BIO NMDCAT Brain
nmdcat.online July 7, 2026

25. An injury affecting the hypothalamus is most likely to disturb the maintenance of a constant internal environment by impairing the regulation of

A. Intelligence and reasoning
B. Body temperature, hunger, and water balance
C. Hearing and vision
D. Voluntary muscle contraction

📝 Explanation

The hypothalamus is the principal homeostatic center of the brain. It regulates body temperature, hunger, thirst, water balance, sleep, and endocrine functions through its influence on the pituitary gland. Intelligence is a function of the cerebrum, vision and hearing involve the cerebral cortex and midbrain, while voluntary muscle contraction is initiated by the motor cortex.

📖 Additional Information

  • Intelligence and reasoning
  • Body temperature, hunger, and water balance
  • Hearing and vision
  • Voluntary muscle contraction

The hypothalamus is the principal homeostatic center of the brain. It regulates body temperature, hunger, thirst, water balance, sleep, and endocrine functions through its influence on the pituitary gland. Intelligence is a function of the cerebrum, vision and hearing involve the cerebral cortex and midbrain, while voluntary muscle contraction is initiated by the motor cortex.

🔗 Share This Question

Categories

View all →