The vasomotor center of the brain raises or lowers blood pressure based on information from which items?
1. Baroreceptors and chemoreceptors
2. Anterior and posterior pituitary
3. Adrenal medulla and adrenal cortex
4. Medulla oblongata and chemoreceptor trigger zone
Correct Answer: 1
Rationale 1: The vasomotor center reacts to information from baroreceptors and chemoreceptors.
Rationale 2: The anterior and posterior pituitaries do not signal the vasomotor center of the brain to regulate blood pressure.
Rationale 3: The adrenal gland does not signal the vasomotor center of the brain to regulate blood pressure.
Rationale 4: The medulla oblongata is responsible for respiration, circulation, and other body functions. The chemoreceptor trigger zone is one of the emetic zones in the brain.
Global Rationale: The vasomotor center reacts to information from baroreceptors and chemoreceptors. The anterior and posterior pituitaries do not signal the vasomotor center of the brain to regulate blood pressure. The adrenal gland does not signal the vasomotor center of the brain to regulate blood pressure. The medulla oblongata is responsible for respiration, circulation, and other body functions. The chemoreceptor trigger zone is one of the emetic zones in the brain.
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