Which one of the following hormones has a greater influence on peripheral vasoconstriction with a net effect in the rise of blood pressure?
Correct answer: C. Nor-epinephrine
- A. Antidiuretic hormone
- B. Epinephrine
- C. Nor-epinephrine
- D. Thyroid-stimulating hormone
Explanation
Norepinephrine primarily increases blood pressure by constricting blood vessels, enhances alertness, and supports the body's response to stress by mobilizing energy stores.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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