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NCLEX-PN The Endocrine System — practice questions

Explore 23 free The Endocrine System questions in NCLEX-PN Nursing. Open each question or exercise to read its content, reference answers and available explanation.

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The Endocrine System questions and exercises with answers

Showing questions 1–23 of 23.

Hormones are carried around the body primarily by the:Read the answer and worked solution →Glands that release their secretions through ducts belong to which system?Read the answer and worked solution →Which pair of pancreatic hormones regulates blood glucose levels?Read the answer and worked solution →Calcitonin is released in response to a rise in the blood level of:Read the answer and worked solution →Melatonin, which helps regulate circadian rhythm, is secreted by which gland?Read the answer and worked solution →Intracellular hormone receptors are located where?Read the answer and worked solution →A hormone affects the activity only of cells that carry the matching:Read the answer and worked solution →When blood glucose rises above the normal range, insulin is released and then:Read the answer and worked solution →Glucagon acts on the glycogen stores of the body in which way?Read the answer and worked solution →Parathyroid hormone acts on blood calcium levels at which moment?Read the answer and worked solution →Aldosterone, one of the steroid hormones of the adrenal glands, is involved in:Read the answer and worked solution →Epinephrine and norepinephrine are secreted by which part of the adrenal gland?Read the answer and worked solution →Which hormone is released when osmoreceptors detect high blood osmolarity?Read the answer and worked solution →Compared with neural signalling, endocrine signalling takes:Read the answer and worked solution →Because blood is water based, lipid-derived hormones must travel bound to a:Read the answer and worked solution →The half-life given for the lipid-derived hormone cortisol is approximately:Read the answer and worked solution →The release of oxytocin during childbirth is an example of which kind of loop?Read the answer and worked solution →Rising thyroid hormone levels in the blood trigger a drop in the production of:Read the answer and worked solution →Insulin against glucagonRead the answer and worked solution →Which one does not belongRead the answer and worked solution →Send each hormone homeRead the answer and worked solution →Judge the assertion and the reasonRead the answer and worked solution →Finish the sentenceRead the answer and worked solution →

Worked practice questions

Hormones are carried around the body primarily by the:

  1. Bloodstream
  2. Bone marrow
  3. Brain stem
  4. Bile duct
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Correct answer: A. Bloodstream

1. A hormone made in one gland has to reach tissue far away. 2. It is not carried down a duct or along a nerve. 3. Hormones are transported primarily via the bloodstream throughout the body. 4. There they bind to receptors on target cells. _Source: OpenStax Anatomy and Physiology 2e (CC BY 4.0), Ch 17 'The Endocrine System', sections 17.1-17.9_

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Glands that release their secretions through ducts belong to which system?

  1. The editorial system
  2. The exocrine system
  3. The electric system
  4. The eventual system
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Correct answer: B. The exocrine system

1. Endocrine glands are ductless and release into the blood. 2. The other kind of gland empties through a tube instead. 3. Those ducted glands make up the exocrine system. 4. Sweat and sebaceous glands of the skin are the examples given. _Source: OpenStax Anatomy and Physiology 2e (CC BY 4.0), Ch 17 'The Endocrine System', sections 17.1-17.9_

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Which pair of pancreatic hormones regulates blood glucose levels?

  1. Insulin and glucagon
  2. Albumin and keratin
  3. Melanin and gelatin
  4. Elastin and globulin
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Correct answer: A. Insulin and glucagon

1. The pancreas does two jobs, one digestive and one hormonal. 2. Its hormonal cells release two hormones that work against each other. 3. Those hormones are insulin and glucagon. 4. Together they hold blood glucose inside a narrow range. _Source: OpenStax Anatomy and Physiology 2e (CC BY 4.0), Ch 17 'The Endocrine System', sections 17.1-17.9_

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