G-proteins (guanine nucleotide-binding proteins) are molecules involved in the transmission of hormonal signals from outside a cell to the interior by means of a process called:

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ATI Targeted Medical Surgical Endocrine Questions

Question 1 of 5

G-proteins (guanine nucleotide-binding proteins) are molecules involved in the transmission of hormonal signals from outside a cell to the interior by means of a process called:

Correct Answer: A

Rationale: Signal transduction is the process by which G-proteins relay hormonal signals from the cell surface to intracellular targets, converting an extracellular signal into a cellular response.

Question 2 of 5

The adrenal gland makes the hormone ___, whose function is stimulating sodium and water reabsorption in the distal tubules of nephrons in the kidney.

Correct Answer: C

Rationale: Aldosterone, from the adrenal cortex, promotes sodium and water reabsorption in the kidneys to regulate blood pressure and volume.

Question 3 of 5

The nurse has provided education for a client prescribed glucocorticoid therapy. Which statement made by the client indicates further teaching is required?

Correct Answer: A

Rationale: Glucocorticoids should be taken at consistent times, often in the morning, to mimic natural cortisol rhythms.

Question 4 of 5

Which should the nurse monitor a client for who has been on long-term steroid therapy?

Correct Answer: A

Rationale: Long-term steroids cause muscle wasting due to protein catabolism.

Question 5 of 5

The nurse is evaluating care provided to a patient with hypothyroidism. Which finding indicates that additional care is needed?

Correct Answer: D

Rationale: Stable weight indicates thyroid health. A weight gain indicates a sluggish thyroid in this patient population, suggesting that hypothyroidism is not adequately controlled.

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