Which of the following brain areas is responsible for regulating thirst?

• A. Medulla oblongata
• B. Hypothalamus
• C. Thalamus
• D. Cerebellum

Answer: (B)

Verified step by step guidance

1. Identify the primary function of each brain area listed in the options.
2. Understand that the medulla oblongata is primarily responsible for autonomic functions such as breathing and heart rate.
3. Recognize that the thalamus acts as a relay station for sensory information but does not regulate thirst.
4. Note that the cerebellum is involved in motor control and coordination, not in regulating thirst.
5. Learn that the hypothalamus is responsible for maintaining homeostasis, including the regulation of thirst, hunger, and body temperature.