Epinephrine and norepinephrine from the adrenal medulla will produce the same results as the nervous system.

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Endocrine System Questions Questions

Question 1 of 5

Epinephrine and norepinephrine from the adrenal medulla will produce the same results as the nervous system.

Correct Answer: A

Rationale: Epinephrine/norepinephrine mimic sympathetic nervous system raising heart rate, glucose, alertness fight-or-flight synergy. Parasympathetic (rest/digest) opposes slows heart, digestion focus. Somatic controls voluntary muscles, not visceral. Central (CNS) governs, not mimics. Sympathetic alignment distinguishes catecholamines, critical for stress response, unlike opposing, voluntary, or oversight systems.

Question 2 of 5

Which of the following is NOT a possible effect of anabolic steroid use?

Correct Answer: D

Rationale: Anabolic steroids (testosterone-like) can cause breast enlargement (gynecomastia), balding (androgenetic), acne (sebaceous stimulation), and stunted growth (epiphyseal closure) all possible. No effect listed is impossible all occur variably. Comprehensive impact distinguishes steroid side effects, key to misuse risks, unlike excluding any listed outcome.

Question 3 of 5

The family of steroid hormones are chemically derived from cholesterol and include:

Correct Answer: D

Rationale: Steroid hormones, derived from cholesterol, include corticosteroids (e.g., cortisol), sex hormones (e.g., testosterone), and vitamin D lipid-based, nuclear-acting. GnRH, GHRH, TRH are peptides (hypothalamus), not steroids. GH and ACTH are pituitary peptides, not cholesterol-derived. T4/T3 are amines from tyrosine, not steroids. Corticosteroids, sex hormones, and vitamin D's cholesterol origin distinguishes them, key to their synthesis and action, unlike peptide or amine families.

Question 4 of 5

This is not a function of insulin

Correct Answer: C

Rationale: Insulin lowers blood glucose by promoting glycogenesis (glucose to glycogen) and lipogenesis (fat synthesis) while inhibiting glycogenolysis (glycogen breakdown). Gluconeogenesis (glucose from non-carbs) is not an insulin function it's suppressed by insulin and stimulated by glucagon. This distinction is key: insulin drives storage, not glucose production, critical for post-meal glucose clearance. Misidentifying gluconeogenesis as an insulin role confuses its anabolic nature with catabolic processes, vital for NEET-level understanding of metabolic regulation.

Question 5 of 5

This is not an endocrine gland

Correct Answer: C

Rationale: Lacrimal glands secrete tears via ducts (exocrine), not hormones unlike adrenal (cortisol), pituitary (GH), and thyroid (T3/T4), which are ductless endocrine glands. This distinguishes exocrine vs. endocrine classification, critical for NEET's glandular taxonomy, avoiding confusion with secretory functions.

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