Patho 3- Pituitary + Thyroid Diseases
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Questions and Answers

Which of the following is a symptom of ADH deficiency?

  • Excessive urination (correct)
  • Nausea and vomiting
  • Headache and confusion
  • Weakness and fatigue

What is the consequence of long-term suppression of the pituitary by exogenous hormone?

  • Pituitary and target organ shrinkage (correct)
  • Improved pituitary function
  • Increased pituitary hormone production
  • Enhanced target organ function

Q1: What is the primary pathway regulating pituitary hormone secretion?

  • Exogenous hormone
  • CRH
  • Feedback loop (correct)
  • ACTH

Which hormone regulates the secretion of thyroid hormones?

<p>TSH (C)</p> Signup and view all the answers

Q2: What is the most common cause of pituitary adenoma-induced pituitary diseases?

<p>Pituitary adenoma (A)</p> Signup and view all the answers

What is the main function of thyroid hormones?

<p>Increase metabolic rate (B)</p> Signup and view all the answers

Q3: What type of mutation is most common in pituitary adenoma?

<p>G-protein mutations (C)</p> Signup and view all the answers

Q4: What is the classification of pituitary adenoma based on?

<p>Hormone-producing cells (C)</p> Signup and view all the answers

Q5: Which type of pituitary adenoma is the most common?

<p>Lactotroph adenoma (D)</p> Signup and view all the answers

What is the expected lab result for hyperthyroidism?

<p>Increased T3 and T4 levels (B)</p> Signup and view all the answers

Q6: What are the symptoms associated with acromegaly?

<p>Muscle weakness (B)</p> Signup and view all the answers

Which gland is considered the true endocrine gland in the pituitary?

<p>Anterior pituitary (A)</p> Signup and view all the answers

Which two neurohormones are stored and released by the posterior pituitary?

<p>Oxytocin and vasopressin (D)</p> Signup and view all the answers

Which hormone is responsible for stimulating the thyroid gland?

<p>Thyroid stimulating hormone (TSH) (C)</p> Signup and view all the answers

Which hormone is produced by the lactotrophs in the pituitary?

<p>Prolactin (PRL) (A)</p> Signup and view all the answers

Which hormone is responsible for stimulating the adrenal glands?

<p>Adrenocorticotropic hormone (ACTH) (A)</p> Signup and view all the answers

Which hormone is responsible for promoting growth in the body?

<p>Growth hormone (GH) (C)</p> Signup and view all the answers

Which two hormones are produced by the gonadotrophs in the pituitary?

<p>Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) (D)</p> Signup and view all the answers

Which is the most common cause of hyperthyroidism?

<p>Thyroid-stimulating immunoglobulin (TSI) (A)</p> Signup and view all the answers

What is the gender distribution of hyperthyroidism cases in the US?

<p>Women are more affected than men (C)</p> Signup and view all the answers

At what age range does hyperthyroidism typically peak?

<p>20-40 years (D)</p> Signup and view all the answers

What is the most common cause of hypothyroidism in areas without iodine deficiency?

<p>Autoimmune response against thyroid antigens (C)</p> Signup and view all the answers

What is the gender distribution of hypothyroidism cases?

<p>Women are more affected than men (B)</p> Signup and view all the answers

At what age range does Hashimoto thyroiditis typically peak?

<p>40-60 years (D)</p> Signup and view all the answers

What is the most common cause of hypoparathyroidism?

<p>Thyroid or neck surgery (C)</p> Signup and view all the answers

What are the symptoms of hypoparathyroidism?

<p>Neuromuscular irritability, tingling lips/fingers/toes, muscle spasms (D)</p> Signup and view all the answers

What are the two genetic aberrations associated with hyperparathyroidism?

<p>Cyclin D1 rearrangement and MEN1 mutation (C)</p> Signup and view all the answers

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