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The adrenal gland secretes which hormone that has a role in the sympathetic response of nervous system?

A.

Norepinephrine

B.

ACh

C.

ACTH

D.

ADH

Answer and Explanation

The Correct Answer is A

A. Norepinephrine: Norepinephrine is secreted by the adrenal medulla and plays a key role in the fight-or-flight response.
B. ACh: Acetylcholine (ACh) is a neurotransmitter but is not secreted by the adrenal glands.
C. ACTH: Adrenocorticotropic hormone is secreted by the pituitary, not the adrenal gland.
D. ADH: Antidiuretic hormone is secreted by the posterior pituitary and regulates water balance.


 


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Related Questions

Correct Answer is D

Explanation

A. Ovum: The ovum is the female gamete, which is round and lacks a midpiece, head, or flagella.

B. Fallopian tubes: These are female reproductive structures, not cells.

C. Zygote: A zygote is the cell formed after fertilization, without a midpiece or flagella.

D. Sperm: A sperm cell has a head (with genetic material), midpiece (with mitochondria), and flagellum (tail for movement).


Correct Answer is B

Explanation

A. Prevents erection: Erection is regulated by blood flow and nerves, not the vas deferens.

B. Induces sterility: Vasectomy (cutting the vas deferens) prevents sperm from being ejaculated, resulting in sterility.

C. Interferes with testosterone secretion: Testosterone is produced by the testes, unaffected by vasectomy.

D. Prevents orgasm: Vasectomy does not affect the ability to have orgasms.

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