TEAS Endocrine System Practice Questions

5 free Endocrine System practice questions

Pick an answer and check it to see the full step-by-step explanation.

1. Question 1
   A patient has primary hypothyroidism with low circulating thyroid hormones. Which change is most likely to occur through negative feedback in the hypothalamic–pituitary–thyroid (HPT) axis?

   Increased oxytocin release from the posterior pituitaryIncreased TSH release from the anterior pituitaryDecreased TRH release from the hypothalamusDecreased ACTH release from the anterior pituitary

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2. Question 2
   A patient receives an injection of a synthetic corticotropin-releasing hormone (CRH) analog to evaluate pituitary function. Which hormone level should rise next if the anterior pituitary is functioning properly?

   ACTHCortisolTSHAldosterone

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3. Question 3
   A postpartum patient has difficulty producing breast milk despite frequent nursing. Which hypothalamic hormone normally stimulates the anterior pituitary to release prolactin to support milk production?

   Corticotropin-releasing hormone (CRH)Thyrotropin-releasing hormone (TRH)Dopamine (prolactin-inhibiting hormone)Gonadotropin-releasing hormone (GnRH)

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4. Question 4
   A patient is found to have a pituitary tumor that decreases secretion of a hormone from the anterior pituitary. Which change is most consistent with decreased luteinizing hormone (LH) release due to disruption of the hypothalamic–pituitary–gonadal (HPG) axis?

   Increased water reabsorption in the collecting ductsDecreased ovulation and reduced progesterone productionIncreased cortisol production by the adrenal cortexIncreased thyroid hormone (T3/T4) release from the thyroid gland

   Check Answer
5. Question 5
   A patient has a traumatic brain injury affecting the hypothalamus. Which change is most likely if hypothalamic dopamine delivery to the anterior pituitary is reduced?

   Increased ADH release from the posterior pituitaryIncreased prolactin secretionDecreased oxytocin release during laborDecreased prolactin secretion

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