Which statement best describes an endocrine gland?
Correct answer: A. It releases hormones into the bloodstream
- A. It releases hormones into the bloodstream
- B. It releases enzymes into a body cavity
- C. It sends impulses through peripheral nerves
- D. It produces mucus for a body surface
Explanation
Endocrine glands are ductless glands that release hormones into the blood for transport to target cells. Exocrine glands release substances through ducts, while nerve impulses are produced by nervous tissue.
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About Endocrine System
The endocrine system covers hormone-producing glands including the pituitary, thyroid, parathyroids, adrenals, pancreas, pineal gland, ovaries and testes. It explains hormone classes, target-cell responses, feedback control, and the functions of hormones such as insulin, thyroxine, cortisol, growth hormone and ADH, which is often confused with a kidney-produced substance.
Practise Endocrine System
40 free Endocrine System MCQs from Anatomy and Physiology for Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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