Pharmacology - Pituitary, Adrenal Treatment

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  • 1/21 Questions

    Hypercortisolism (Cushing syndrome) is clinical condition resulting from chronic exposure to excessive circulating levels of glucocorticoids

    • True
    • False
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About This Quiz

This quiz focuses on pharmacological treatments for pituitary and adrenal disorders, assessing knowledge on medications for conditions like Growth Hormone deficiency and Hyperprolactinemia. It is essential for medical students and professionals.

Pharmacology - Pituitary, Adrenal Treatment - Quiz

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  • 2. 

    True or False: The most common etiologies of Hyperprolactinemia are prolactin-secreting adenomas and medications like SSRIs, haloperidol, metoclopramide, dopamine antagonists.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Hyperprolactinemia refers to the condition of having abnormally high levels of prolactin hormone in the blood. Prolactin-secreting adenomas, which are noncancerous tumors of the pituitary gland, are one of the most common causes of hyperprolactinemia. Additionally, certain medications such as selective serotonin reuptake inhibitors (SSRIs), haloperidol, metoclopramide, and dopamine antagonists can also lead to elevated prolactin levels. Therefore, the statement that the most common etiologies of hyperprolactinemia are prolactin-secreting adenomas and medications like SSRIs, haloperidol, metoclopramide, and dopamine antagonists is true.

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  • 3. 

    Which test is used in the Diagnosis of Cushing syndrome? 

    • Dexamethasone suppression test

    • Short cosyntropin-stimulation test

    Correct Answer
    A. Dexamethasone suppression test
    Explanation
    The Dexamethasone suppression test is used in the diagnosis of Cushing syndrome. This test involves giving a high dose of synthetic glucocorticoid (dexamethasone) to the patient and measuring cortisol levels in the blood or urine. In a person without Cushing syndrome, the high dose of dexamethasone should suppress cortisol production. However, in individuals with Cushing syndrome, cortisol levels will not be suppressed, indicating an abnormal response to dexamethasone. Therefore, the Dexamethasone suppression test is a reliable diagnostic tool for identifying Cushing syndrome.

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  • 4. 

    Fludrocortisone is also used for orthostatic hypotension

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Fludrocortisone is a medication that is commonly used to treat orthostatic hypotension, a condition characterized by low blood pressure that occurs upon standing up. By increasing the amount of sodium and water reabsorbed by the kidneys, fludrocortisone helps to increase blood volume and raise blood pressure, thereby alleviating symptoms of orthostatic hypotension. Therefore, the statement "Fludrocortisone is also used for orthostatic hypotension" is true.

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  • 5. 

    What medication is used in the treatment of Growth hormone excess?

    • Dopamine agonists

    • Somatropin

    • Somatostatin analogs

    • Mineralocorticoids

    Correct Answer
    A. Somatostatin analogs
    Explanation
    Somatostatin analogs are used in the treatment of growth hormone excess. Somatostatin is a hormone that inhibits the release of growth hormone, among other hormones, from the pituitary gland. By using somatostatin analogs, which are synthetic versions of somatostatin, the excessive production of growth hormone can be suppressed, helping to regulate its levels in the body. Dopamine agonists, somatropin, and mineralocorticoids are not typically used in the treatment of growth hormone excess.

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  • 6. 

    Which test is used for diagnosis of Addison’s disease

    • Dexamethasone suppression test

    • Short cosyntropin-stimulation test

    Correct Answer
    A. Short cosyntropin-stimulation test
    Explanation
    The short cosyntropin-stimulation test is used for the diagnosis of Addison's disease. This test involves administering a synthetic form of adrenocorticotropic hormone (ACTH), called cosyntropin, to stimulate the adrenal glands to produce cortisol. Blood samples are taken before and after the administration of cosyntropin to measure cortisol levels. In individuals with Addison's disease, the adrenal glands do not respond adequately to the stimulation, resulting in low cortisol levels. Therefore, the short cosyntropin-stimulation test can help identify adrenal insufficiency and diagnose Addison's disease.

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  • 7. 

    Treatment of adrenal insufficiency

    • Hydrocortisone

    • Fludrocortisone

    Correct Answer
    A. Hydrocortisone
    Explanation
    Hydrocortisone is the preferred treatment for adrenal insufficiency because it is a synthetic form of cortisol, the hormone that is normally produced by the adrenal glands. Hydrocortisone helps to replace the deficient cortisol levels in the body, which is essential for regulating metabolism, immune response, and stress response. It has a similar structure and function to natural cortisol, making it an effective and well-tolerated treatment option for adrenal insufficiency. Fludrocortisone, on the other hand, is a mineralocorticoid that is primarily used to replace aldosterone, another hormone that is deficient in adrenal insufficiency.

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  • 8. 

    What medication is used in the treatment of Hyperprolactinemia?

    • Somatostatin analogs (Octreotide and lanreotide)

    • Dopamine agonists (Bromocriptine (Parlodel)

    • Somatropin

    Correct Answer
    A. Dopamine agonists (Bromocriptine (Parlodel)
    Explanation
    Dopamine agonists such as Bromocriptine (Parlodel) are used in the treatment of Hyperprolactinemia. Hyperprolactinemia is a condition characterized by high levels of prolactin hormone in the blood, which can lead to various symptoms such as irregular menstrual periods, infertility, and milk production in non-lactating individuals. Dopamine agonists work by stimulating dopamine receptors in the brain, which inhibits the release of prolactin from the pituitary gland, thereby reducing its levels in the blood and alleviating the symptoms of Hyperprolactinemia.

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  • 9. 

    Fludrocortisone is the most widely used agent in the treatment of adrenocortical insufficiency associated w/ mineralocorticoid deficiency

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Fludrocortisone is commonly prescribed for the treatment of adrenocortical insufficiency, a condition characterized by the inadequate production of hormones by the adrenal glands. It is specifically effective in cases where there is a deficiency of mineralocorticoids, which are responsible for maintaining electrolyte balance and blood pressure regulation. Therefore, it is accurate to state that fludrocortisone is the most widely used agent for treating adrenocortical insufficiency associated with mineralocorticoid deficiency.

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  • 10. 

    Select all: What are the clinical Uses of Corticosteroids?

    • Diagnosis and treatment of adrenal dysfunction

    • Replacement in adrenal insufficiency (acute and/or chronic)

    • Numerous uses- r/t ability to suppress inflammatory & immune responses

    • Stimulation of lung maturation in the fetus

    Correct Answer(s)
    A. Diagnosis and treatment of adrenal dysfunction
    A. Replacement in adrenal insufficiency (acute and/or chronic)
    A. Numerous uses- r/t ability to suppress inflammatory & immune responses
    A. Stimulation of lung maturation in the fetus
    Explanation
    Corticosteroids have several clinical uses, including the diagnosis and treatment of adrenal dysfunction. They are also used as a replacement therapy in cases of adrenal insufficiency, both acute and chronic. Corticosteroids are known for their ability to suppress inflammatory and immune responses, making them useful in numerous conditions where these responses need to be controlled. Additionally, corticosteroids can stimulate lung maturation in the fetus.

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  • 11. 

    What medication is used in the treatment of Growth Hormone deficiency?

    • Somatropin

    • Somatostatin analogs

    • Dopamine agonists

    • Glucocorticoids

    Correct Answer
    A. Somatropin
    Explanation
    Somatropin is the correct answer for the medication used in the treatment of Growth Hormone deficiency. Somatropin is a synthetic form of human growth hormone that is used to stimulate growth and development in individuals who have a deficiency of this hormone. It is administered through injections and helps to promote growth, increase muscle mass, and improve bone density in individuals with this condition.

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  • 12. 

    In Addison's disease, a person will retain too much?

    • Calcium

    • Sodium

    • Chloride

    • Potassium

    Correct Answer
    A. Potassium
    Explanation
    In Addison's disease, the adrenal glands do not produce enough cortisol and aldosterone. Aldosterone is responsible for regulating the balance of electrolytes in the body, including potassium. Without enough aldosterone, the body retains too much potassium, leading to high levels of potassium in the blood. This can cause symptoms such as muscle weakness, fatigue, and irregular heart rhythms. Therefore, in Addison's disease, a person will retain too much potassium.

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  • 13. 

    ____________________ promotes reabsorption of sodium from renal tubules. 

    Correct Answer
    Aldosterone
    Explanation
    Aldosterone is a hormone that promotes the reabsorption of sodium from the renal tubules. This hormone is produced by the adrenal glands and plays a crucial role in regulating the body's electrolyte balance. By increasing the reabsorption of sodium, aldosterone helps to maintain proper fluid balance and blood pressure. It also stimulates the excretion of potassium and hydrogen ions, further contributing to electrolyte balance. Overall, aldosterone ensures that the body retains the necessary amount of sodium for proper physiological functioning.

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  • 14. 

    Hyperprolactinemia inhibits GnRH secretion causes what clinical features and symptoms in women?

    • Amenorrhea

    • Infertility

    • Galactorrhea

    • Low libido

    Correct Answer(s)
    A. Amenorrhea
    A. Galactorrhea
    Explanation
    Hyperprolactinemia
    • ↑ prolactin inhibits GnRH secretion →
    • Amenorrhea & galactorrhea in women
    • Infertility, ↓ libido in men

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  • 15. 

    Select the side effects of Hydrocortisone treatment 

    • Hyperglycemia

    • hypertension

    • Hyperkalemia

    • Sodium retention

    Correct Answer(s)
    A. Hyperglycemia
    A. hypertension
    A. Sodium retention
    Explanation
    Hydrocortisone is a corticosteroid medication commonly used to treat inflammation and immune system disorders. One of the side effects of hydrocortisone treatment is hyperglycemia, which refers to high blood sugar levels. This occurs because hydrocortisone can increase glucose production in the liver and decrease the body's ability to use insulin effectively. Another side effect is hypertension, or high blood pressure, which can result from the drug's impact on fluid balance and blood vessel constriction. Additionally, hydrocortisone can cause sodium retention, leading to fluid retention and potential swelling.

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  • 16. 

    Select all: Hyperaldosteronism- Excessive levels of aldosterone (produced by tumors or overdosage with synthetic mineralocorticoids) leads to...

    • Hypokalemia,

    • Metabolic alkalosis

    • Increased plasma volume

    • Hypertension

    Correct Answer(s)
    A. Hypokalemia,
    A. Metabolic alkalosis
    A. Increased plasma volume
    A. Hypertension
    Explanation
    Excessive levels of aldosterone, whether produced by tumors or overdosage with synthetic mineralocorticoids, can lead to a variety of effects. One of these effects is hypokalemia, which refers to low levels of potassium in the blood. Aldosterone promotes the excretion of potassium in the urine, leading to a decrease in potassium levels. Another effect is metabolic alkalosis, which is an increase in the pH of the blood. Aldosterone causes increased reabsorption of sodium and excretion of hydrogen ions, resulting in alkalosis. Additionally, aldosterone promotes increased plasma volume by enhancing the reabsorption of sodium and water in the kidneys. This increased plasma volume can contribute to hypertension, or high blood pressure.

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  • 17. 

    Select all that apply: What medications are used in the treatment of Adrenal Insufficiency (Addison Disease)?

    • Glucocorticoids

    • Corticosteroids

    • Mineralocorticoid

    Correct Answer(s)
    A. Glucocorticoids
    A. Corticosteroids
    A. Mineralocorticoid
    Explanation
    The correct answer includes glucocorticoids, corticosteroids, and mineralocorticoids. These medications are used in the treatment of adrenal insufficiency, also known as Addison's disease. Glucocorticoids and corticosteroids help to replace or supplement the deficient cortisol levels in the body, while mineralocorticoids help to regulate the balance of electrolytes and fluids. These medications are essential in managing the symptoms and preventing complications associated with adrenal insufficiency.

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  • 18. 

    Select all that apply: Signs and Symptoms of Adrenal Insufficiency

    • Fatigue

    • Anorexia

    • Weight gain

    • Nausea

    • Constipation

    • Hyperglycemia

    • Hyperkalemia

    • Hyperkalemia

    • Salt cravings

    • Salt cravings

    Correct Answer(s)
    A. Fatigue
    A. Anorexia
    A. Nausea
    A. Hyperkalemia
    A. Hyperkalemia
    A. Salt cravings
    A. Salt cravings
    Explanation
    The signs and symptoms of adrenal insufficiency include fatigue, anorexia, nausea, hyperkalemia, and salt cravings. These symptoms are commonly associated with adrenal insufficiency and can help in diagnosing the condition. Fatigue is a common symptom as the adrenal glands are responsible for producing cortisol, which helps regulate energy levels. Anorexia and nausea can occur due to the disruption of hormone production. Hyperkalemia, or high levels of potassium in the blood, can occur as the adrenal glands also produce aldosterone, which helps regulate potassium levels. Salt cravings can also be a sign of adrenal insufficiency as the body tries to compensate for the lack of aldosterone.

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  • 19. 

    Select one: ALL are used in the treatment of Cushing Syndrome but which is the most desired?

    • Surgical removal of ACTH producing tumor

    • Irradiation of pituitary tumor

    • Steroidogenesis inhibitors

    • Adrenolytic agents

    • Neuromodulators of ACTH release

    • Glucocorticoid receptor antagonist

    Correct Answer
    A. Irradiation of pituitary tumor
    Explanation
    Irradiation of pituitary tumor is the most desired treatment for Cushing Syndrome because it specifically targets the tumor in the pituitary gland that is producing excessive ACTH. By using radiation therapy, the tumor cells can be destroyed, leading to a decrease in ACTH production and ultimately a reduction in cortisol levels. This treatment option is often preferred over surgical removal of the tumor because it is less invasive and carries fewer risks. Steroidogenesis inhibitors, adrenolytic agents, neuromodulators of ACTH release, and glucocorticoid receptor antagonists may also be used in the treatment of Cushing Syndrome, but they are not the most desired treatment option.

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  • 20. 

    ____________________ is a potent steroid w/ glucocorticoid & mineralocorticoid activity

    Correct Answer
    Fludrocortisone
    Explanation
    Fludrocortisone is a potent steroid that possesses both glucocorticoid and mineralocorticoid activity. It is commonly used to treat conditions such as adrenal insufficiency, salt-losing adrenogenital syndrome, and orthostatic hypotension. As a glucocorticoid, it has anti-inflammatory and immunosuppressive effects, while its mineralocorticoid activity helps regulate electrolyte balance and fluid retention. Fludrocortisone is a synthetic corticosteroid that mimics the actions of naturally occurring hormones in the body.

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  • 21. 

    _______________ regulate sodium and potassium reabsorption in the collecting tubules of the kidney

    Correct Answer
    Mineralocorticoids
    Explanation
    Mineralocorticoids are a class of hormones that regulate the reabsorption of sodium and potassium in the collecting tubules of the kidney. These hormones, such as aldosterone, act on the cells of the tubules to increase the reabsorption of sodium ions and the excretion of potassium ions. This helps to maintain the balance of these electrolytes in the body and regulate blood pressure. Therefore, mineralocorticoids play a crucial role in maintaining fluid and electrolyte balance in the body.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 10, 2018
    Quiz Created by
    Ashley
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