Adrenal Gland Hormones and Secretions pharma 2
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Questions and Answers

Which part of the adrenal gland secretes epinephrine?

  • Medulla (correct)
  • Adrenal Cortex
  • Outer layer of adrenal cortex
  • Inner layer of adrenal cortex

What type of hormones does the outer layer of adrenal cortex produce?

  • Epinephrine
  • Mineralocorticoids (correct)
  • Adrenal androgens
  • Glucocorticoids

Which layer of the adrenal cortex synthesizes glucocorticoids?

  • Medulla
  • Middle layer (correct)
  • Inner layer
  • Outer layer

What are the hormones secreted by the inner layer of the adrenal cortex?

<p>Adrenal androgens (A)</p> Signup and view all the answers

What is the primary control for the secretion of hormones by the adrenal cortex zones?

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

In what capacity do glucocorticoids serve as feedback inhibitors?

<p>Suppressing ACTH and CRH secretion (C)</p> Signup and view all the answers

For which purpose are hormones of the adrenal cortex used?

<p>Replacement therapy, inflammatory diseases, allergic reactions, and some cancers (A)</p> Signup and view all the answers

Which condition is NOT treated using hormones of the adrenal cortex?

<p>Chronic bacterial infections (B)</p> Signup and view all the answers

Where are the mineralocorticoid receptors mainly confined to?

<p>The excretory organs such as kidney, colon, and salivary glands (B)</p> Signup and view all the answers

What is the distribution of the glucocorticoid receptor throughout the body?

<p>Widely distributed throughout the body (C)</p> Signup and view all the answers

What is the spectrum of activity comparison between glucocorticoid and mineralocorticoid?

<p>Glucocorticoid has a wider spectrum of activity (C)</p> Signup and view all the answers

Where do the adrenocorticoids bind to specific receptors in target tissues?

<p>Intracellular cytoplasm (D)</p> Signup and view all the answers

What is the principal glucocorticoid?

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

When does glucocorticoid production typically peak during the day?

<p>Early morning (B)</p> Signup and view all the answers

What effect does cortisol have on glucose synthesis?

<p>It stimulates glucose synthesis (D)</p> Signup and view all the answers

How does stress influence glucocorticoid secretion?

<p>It increases secretion (B)</p> Signup and view all the answers

How do glucocorticoids affect blood cell levels in plasma?

<p>They cause a decrease in eosinophils, basophils, and monocytes, but an increase in lymphocytes (A)</p> Signup and view all the answers

What is the effect of glucocorticoids on resistance to stress?

<p>They raise plasma glucose levels to provide the body with the energy it requires to combat stress (D)</p> Signup and view all the answers

How do glucocorticoids affect blood pressure?

<p>They cause a modest rise in blood pressure by enhancing the vasoconstrictor action of adrenergic stimuli on small vessels (A)</p> Signup and view all the answers

What is the impact of glucocorticoids on blood levels of platelets and neutrophils?

<p>They increase the blood levels of platelets and neutrophils (D)</p> Signup and view all the answers

How do glucocorticoids have anti-inflammatory action?

<p>By reducing the inflammatory response (B)</p> Signup and view all the answers

What is the mechanism behind the anti-inflammatory action of glucocorticoids?

<p>The lowering and inhibition of peripheral lymphocytes and macrophages (A)</p> Signup and view all the answers

What role does glucocorticoids play in suppressing immunity?

<p>Indirectly inhibiting phospholipase A 2 (B)</p> Signup and view all the answers

What is the impact of glucocorticoids on histamine release?

<p>Decreased histamine release (D)</p> Signup and view all the answers

How do high doses of glucocorticoids affect gastric acid and pepsin production?

<p>Stimulate production and may exacerbate ulcers (C)</p> Signup and view all the answers

What impact do glucocorticoids have on mental status?

<p>Cause confusion and alteration in mental status (D)</p> Signup and view all the answers

What is the effect of chronic glucocorticoid therapy on bone health?

<p>Causes severe bone loss (C)</p> Signup and view all the answers

How do glucocorticoids affect the production of ACTH and TSH?

<p>Inhibit ACTH and TSH production (A)</p> Signup and view all the answers

What is the primary function of mineralocorticoids?

<p>Regulating blood pressure (D)</p> Signup and view all the answers

How does aldosterone affect the reabsorption of potassium in the body?

<p>It decreases the reabsorption of potassium (C)</p> Signup and view all the answers

What may elevated aldosterone levels cause?

<p>Alkalosis and hypokalemia (B)</p> Signup and view all the answers

What is the result of the retention of sodium and water by mineralocorticoids?

<p>Increased blood volume and blood pressure (C)</p> Signup and view all the answers

Mineralocorticoids help to control the body's water volume and concentration of electrolytes, especially sodium and potassium.

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

Aldosterone causes a reabsorption of sodium, bicarbonate, and water in kidney tubules and collecting ducts.

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

Elevated aldosterone levels may cause alkalosis and hypokalemia.

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

Retention of sodium and water by mineralocorticoids leads to an increase in blood volume and blood pressure.

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

Semisynthetic derivatives of glucocorticoids have been developed with variations in their anti-inflammatory potency, sodium retention, and duration of action. (True/False)

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

Elevated aldosterone levels may cause acidosis and hyperkalemia. (True/False)

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

Mineralocorticoids primarily help control the body's water volume and concentration of electrolytes, particularly potassium and chloride. (True/False)

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

Betamethasone long acting anti inflammatory high . (True/False)

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

What is the primary purpose of administering fludrocortisone in addition to hydrocortisone?

<p>To correct mineralocorticoid deficiency (C)</p> Signup and view all the answers

What is the impact of elevated aldosterone levels?

<p>Alkalosis and hypokalemia (D)</p> Signup and view all the answers

What is the primary function of mineralocorticoids?

<p>Control electrolyte balance (D)</p> Signup and view all the answers

What is the purpose of the dexamethasone suppression test?

<p>To diagnose the cause of Cushing's syndrome (D)</p> Signup and view all the answers

In which conditions does the adrenal cortex respond to corticotropin (ACTH) administration by synthesizing and releasing the adrenal corticosteroids?

<p>Secondary or tertiary adrenocortical insufficiency (A)</p> Signup and view all the answers

What is the effect of chronic glucocorticoid therapy on bone health?

<p>Increased risk of osteoporosis (B)</p> Signup and view all the answers

What is the therapeutic use of glucocorticoids in relieving symptoms?

<p>Alleviating inflammatory conditions (D)</p> Signup and view all the answers

What is the primary function of mineralocorticoids?

<p>Controlling blood volume and electrolyte concentration (C)</p> Signup and view all the answers

What is the purpose of administering corticosteroids for replacement therapy in congenital adrenal hyperplasia?

<p>To normalize hormone levels by suppressing release of CRH and ACTH (C)</p> Signup and view all the answers

How do mineralocorticoids affect the reabsorption of sodium and water in the kidneys?

<p>They cause reabsorption of sodium, bicarbonate, and water (C)</p> Signup and view all the answers

What is the therapeutic use of beclomethasone and triamcinolone?

<p>Treatment of allergies (B)</p> Signup and view all the answers

How is beclomethasone typically administered for the acceleration of lung maturation?

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

What problem is respiratory distress syndrome typically associated with?

<p>Premature infants (B)</p> Signup and view all the answers

What is the primary therapeutic purpose of administering adrenal corticosteroids to premature infants before delivery?

<p>Lung maturation (D)</p> Signup and view all the answers

Which glucocorticoid is considered a prodrug and has no effect on the fetus in pregnancy?

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

When does suppression of the hypothalamic pituitary adrenal (HPA) axis typically occur with large doses of glucocorticoids?

<p>After 2 weeks of treatment (D)</p> Signup and view all the answers

Which condition may be associated with the retention of sodium and water by mineralocorticoids?

<p>Cushing's syndrome (B)</p> Signup and view all the answers

What is the primary function of mineralocorticoids in the body?

<p>Controlling water balance and electrolyte concentration (A)</p> Signup and view all the answers

Why is it important to taper the dose of corticosteroids gradually?

<p>To avoid acute adrenal insufficiency syndrome (C)</p> Signup and view all the answers

What is the purpose of administering corticosteroids for replacement therapy in congenital adrenal hyperplasia?

<p>To provide the hormones that the adrenal glands are not producing (A)</p> Signup and view all the answers

What effect does chronic glucocorticoid therapy have on bone health?

<p>Causes bone demineralization (C)</p> Signup and view all the answers

What role do mineralocorticoids primarily play in the body?

<p>Regulate water volume and electrolyte concentration (D)</p> Signup and view all the answers

Which of the following is a common side effect of long term corticosteroid therapy?

<p>Increased frequency of cataracts (C)</p> Signup and view all the answers

What advice is usually given to patients undergoing long term corticosteroid therapy to prevent osteoporosis?

<p>Take calcium and vitamin D supplements (B)</p> Signup and view all the answers

Why does coadministration of medications that induce or inhibit the hepatic mixed function oxidases may require adjustment of the glucocorticoid dose?

<p>They affect the metabolism of glucocorticoids (A)</p> Signup and view all the answers

What adverse effect is associated with hyperglycemia resulting from long term corticosteroid therapy?

<p>Diabetes mellitus (D)</p> Signup and view all the answers

Long-term corticosteroid therapy may lead to osteoporosis due to the ability of glucocorticoids to suppress intestinal Ca 2+ absorption.

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

Cushing-like syndrome is not an adverse effect of long-term corticosteroid therapy.

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

Increased frequency of cataracts is not associated with long-term corticosteroid therapy.

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

Alternate day dosing can effectively prevent osteoporosis in patients undergoing long-term corticosteroid therapy.

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

What does the pancreas produce in response to severe hyperglycemia?

<p>Somatostatin by δ cells (A)</p> Signup and view all the answers

Which hormone, when lacking, can lead to retinopathy, nephropathy, neuropathy, and cardiovascular complications?

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

What is the primary hormone produced by β cells in the pancreas?

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

What complications are associated with severe hyperglycemia if left untreated?

<p>Retinopathy, nephropathy, neuropathy, and cardiovascular complications (C)</p> Signup and view all the answers

What are the 4 clinical classifications of diabetes?

<p>Type 1: insulin dependant, Type 2: NON insulin dependant, Gestational diabetes, Diabetes due to other factor (genetics or medication induced) (B)</p> Signup and view all the answers

Which hormone does the pancreas produce in response to severe hyperglycemia?

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

What is the primary function of mineralocorticoids?

<p>Controlling body's water volume and electrolyte concentration (A)</p> Signup and view all the answers

What is the impact of elevated aldosterone levels?

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

What are the 4 clinical classifications of diabetes?

<p>Type 1, Type 2, Gestational diabetes, Diabetes caused by external factors (B)</p> Signup and view all the answers

What is the primary function of mineralocorticoids?

<p>Control body's water volume and electrolyte concentration (C)</p> Signup and view all the answers

What is the effect of chronic glucocorticoid therapy on bone health?

<p>May lead to osteoporosis (B)</p> Signup and view all the answers

What is the therapeutic use of hydrocortisone for secondary or tertiary adrenocortical insufficiency?

<p>Replacement therapy for adrenal insufficiency (D)</p> Signup and view all the answers

What are the major influencing factors for type 2 diabetes?

<p>Genetic factors, aging, obesity, and peripheral insulin resistance (D)</p> Signup and view all the answers

What is the primary cause of type 2 diabetes?

<p>Lack of sensitivity of target organs to insulin (A)</p> Signup and view all the answers

What typically happens to β cell function in Type 2 diabetes?

<p>It gradually declines as the disease progresses (C)</p> Signup and view all the answers

What often becomes necessary as Type 2 diabetes progresses?

<p>Insulin therapy (D)</p> Signup and view all the answers

Type 2 diabetes is primarily influenced by genetic factors, aging, and peripheral insulin resistance.

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

Milder metabolic alterations in Type 2 diabetes than in Type 1 lead to ketoacidosis.

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

In Type 2 diabetes, the lack of sensitivity of target organs to insulin is the major cause of the condition.

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

As Type 2 diabetes progresses, β cell function increases, eliminating the need for insulin therapy.

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

What is the primary method of administering insulin?

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

What provides a better index of insulin levels?

<p>Measurement of circulating C peptide (D)</p> Signup and view all the answers

What regulates insulin secretion?

<p>Blood glucose levels (C)</p> Signup and view all the answers

What are the autonomic mediators that regulate insulin secretion?

<p>Nervous system signals (C)</p> Signup and view all the answers

What is the first step in the process of insulin secretion from the pancreas?

<p>Glucose uptake into the pancreas (B)</p> Signup and view all the answers

Which factor leads to the depolarization of the cell during insulin secretion?

<p>Inhibition of K+ influx (A)</p> Signup and view all the answers

What is the effect of increased intracellular Ca++ secretion on insulin secretion?

<p>It initiates ATP production (A)</p> Signup and view all the answers

What is the final event in the process of insulin secretion from the pancreas?

<p>Insulin secretion (A)</p> Signup and view all the answers

What primarily causes the variations in onset and duration of action among different insulin preparations?

<p>Differences in the amino acid sequences of the polypeptides (D)</p> Signup and view all the answers

Which type of insulin has a faster onset and shorter duration of action due to not aggregating or forming complexes?

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

What is the primary reason for glargine and detemir being considered long-acting insulins?

<p>They have a prolonged, flat levels of the hormone following injection (B)</p> Signup and view all the answers

What characteristic differentiates insulins lispro, aspart, and glulisine from regular insulin?

<p>Faster onset and shorter duration of action (D)</p> Signup and view all the answers

Which of the following is the most serious and common adverse reaction to an insulin overdose?

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

What is the primary function of mineralocorticoids in the body?

<p>Control of electrolyte balance (D)</p> Signup and view all the answers

What is the principal adverse effect associated with long-term corticosteroid therapy?

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

What is the impact of elevated aldosterone levels in the body?

<p>Reabsorption of sodium, bicarbonate, and water in kidney tubules (D)</p> Signup and view all the answers

Which insulin preparation is commonly administered to mimic the prandial release of insulin?

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

What is the primary purpose of administering rapid acting and short acting insulin preparations?

<p>To lower blood glucose levels (C)</p> Signup and view all the answers

Which category of insulin preparations is usually administered immediately before or following a meal?

<p>Rapid acting and short acting insulin (C)</p> Signup and view all the answers

What is the pregnancy category of rapid acting and short acting insulin preparations?

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

Which insulin acts more rapidly due to more rapid absorption after subcutaneous injection than regular insulin?

<p>Insulin lispro (D)</p> Signup and view all the answers

Which of the following insulins has a quicker onset of action compared to regular insulin?

<p>Insulin aspart (A)</p> Signup and view all the answers

Which insulin analog shows more rapid absorption after subcutaneous injection, leading to a faster onset of action than regular insulin?

<p>Insulin lispro (B)</p> Signup and view all the answers

Which insulin exhibits faster absorption after subcutaneous injection, leading to a more rapid onset of action than regular insulin?

<p>Insulin aspart (A)</p> Signup and view all the answers

What is the primary function of Neutral protamine Hagedorn (NPH) insulin?

<p>To provide long-acting insulin coverage (A)</p> Signup and view all the answers

Why should Neutral protamine Hagedorn (NPH) insulin only be given subcutaneously and never intravenously?

<p>To ensure delayed absorption of the insulin (D)</p> Signup and view all the answers

What is the role of protamine in Neutral protamine Hagedorn (NPH) insulin?

<p>To form a less soluble complex for delayed absorption (A)</p> Signup and view all the answers

What is the impact of Neutral protamine Hagedorn (NPH) insulin's neutral pH with a positively charged polypeptide, protamine?

<p>Delayed absorption of the insulin (B)</p> Signup and view all the answers

Neutral protamine Hagedorn (NPH) insulin should only be given subcutaneously and never intravenously. (True/False)

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

Neutral protamine Hagedorn (NPH) insulin has a delayed absorption due to the formation of a less soluble complex. (True/False)

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

Mineralocorticoids primarily help control the body's water volume and concentration of electrolytes, particularly potassium and chloride. (True/False)

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

Semisynthetic derivatives of glucocorticoids have been developed with variations in their anti-inflammatory potency, sodium retention, and duration of action. (True/False)

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

Which type of insulin is useful in treating all forms of diabetes except diabetic ketoacidosis or emergency hyperglycemia?

<p>Neutral protamine lispro insulin (C)</p> Signup and view all the answers

Which insulin exhibits faster absorption after subcutaneous injection, leading to a more rapid onset of action than regular insulin?

<p>Neutral protamine lispro insulin (A)</p> Signup and view all the answers

What is the primary function of mineralocorticoids?

<p>To retain sodium and water (B)</p> Signup and view all the answers

What is the impact of chronic glucocorticoid therapy on bone health?

<p>Decreases bone density (B)</p> Signup and view all the answers

Which type of diabetes is intermediate acting insulin useful in treating?

<p>Type 2 diabetes (C)</p> Signup and view all the answers

What is neutral protamine lispro (NPL) insulin used in combination with?

<p>Insulin lispro (A)</p> Signup and view all the answers

What are the various premixed combinations of human insulins typically composed of?

<p>NPH insulin and regular insulin (C)</p> Signup and view all the answers

When is intermediate acting insulin not useful in treating diabetes?

<p>During diabetic ketoacidosis (B)</p> Signup and view all the answers

What is the primary reason for insulin glargine to be considered a long-acting insulin?

<p>It has a lower isoelectric point than human insulin, leading to precipitation at the injection site (D)</p> Signup and view all the answers

What is the onset of action for insulin glargine compared to NPH insulin?

<p>Slower onset (A)</p> Signup and view all the answers

What is the primary function of neutral protamine Hagedorn (NPH) insulin?

<p>Extended hypoglycemic effect (C)</p> Signup and view all the answers

What distinguishes insulin glargine from regular insulin?

<p>It has a lower isoelectric point than human insulin, leading to precipitation at the injection site (B)</p> Signup and view all the answers

What property of insulin detemir allows for its long-acting effect?

<p>Presence of a fatty acid side chain (B)</p> Signup and view all the answers

Why does insulin detemir have long-acting properties similar to those of insulin glargine?

<p>Enhanced association to albumin (A)</p> Signup and view all the answers

Which factor contributes to the long-acting effect of insulin detemir?

<p>Slow dissociation from albumin (B)</p> Signup and view all the answers

What distinguishes the long-acting properties of insulin detemir from regular insulin?

<p>Enhanced association to albumin (B)</p> Signup and view all the answers

What is the primary therapeutic indication for synthetic amylin analog pramlintide?

<p>Adjunct to mealtime insulin therapy in Type 1 diabetes (B)</p> Signup and view all the answers

What is the effect of pramlintide on gastric emptying?

<p>Delays gastric emptying (A)</p> Signup and view all the answers

In patients initiating pramlintide therapy, what should be done with the dose of rapid or short acting insulin prior to meals?

<p>Decreased by 50% (C)</p> Signup and view all the answers

Why should pramlintide not be given to patients with a history of hypoglycemic unawareness?

<p>It may increase the risk of hypoglycemia (B)</p> Signup and view all the answers

What is the mechanism of action of sulfonylureas in promoting insulin release from the pancreas?

<p>Stimulation of insulin release by increasing ATP-sensitive K+ channels (D)</p> Signup and view all the answers

What is the primary mechanism by which sulfonylureas may cause hypoglycemia?

<p>Stimulation of insulin release from the pancreas (B)</p> Signup and view all the answers

What effect do sulfonylureas have on hepatic glucose production?

<p>Reduction in glucose production (D)</p> Signup and view all the answers

How do sulfonylureas impact peripheral insulin sensitivity?

<p>No effect on peripheral insulin sensitivity (D)</p> Signup and view all the answers

Which of the following is a second generation sulfonylurea derivative with a longer duration of action?

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

What is the primary function of insulin secretagogues such as sulfonylureas?

<p>Promoting insulin release from the pancreas (D)</p> Signup and view all the answers

Which insulin is considered a reasonably safe alternative to insulin therapy for diabetes in pregnancy?

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

What is the class of oral agents to which glipizide belongs?

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

What are the adverse effects associated with sulfonylureas?

<p>Weight gain and renal impairment (A)</p> Signup and view all the answers

What is a particular problem in agents metabolized to active compounds like glyburide?

<p>Renal impairment (A)</p> Signup and view all the answers

What adverse effect is specifically mentioned for insulin secretagogues?

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

What is the primary mechanism of action of insulin Meglitinide analogs?

<p>Stimulation of insulin release from the pancreas (A)</p> Signup and view all the answers

What distinguishes the action of Meglitinide analogs from sulfonylureas?

<p>Faster onset and shorter duration of action (A)</p> Signup and view all the answers

What is the primary target of Meglitinide analogs in the body?

<p>Pancreatic β cells (A)</p> Signup and view all the answers

How do Meglitinide analogs initiate the release of insulin?

<p>Inhibition of ATP sensitive K+ channels (D)</p> Signup and view all the answers

Which class of oral agents is associated with lower hypoglycemia compared to sulfonylureas?

<p>Insulin Meglitinide analogs (B)</p> Signup and view all the answers

What should be used with caution when administering repaglinide due to its potential to enhance its effect?

<p>CYP3A4 inhibitors such as ketoconazole (C)</p> Signup and view all the answers

Which drugs may decrease the effect of repaglinide?

<p>CYP3A4 inducers like rifampin (B)</p> Signup and view all the answers

Which class of oral agents is associated with less weight gain compared to sulfonylureas?

<p>Insulin Meglitinide analogs (D)</p> Signup and view all the answers

What is the main mechanism of action for Metformin?

<p>Inhibiting hepatic gluconeogenesis (C)</p> Signup and view all the answers

What is the primary impact of elevated aldosterone levels?

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

Which of the following is a common adverse reaction to an insulin overdose?

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

What is the primary function of mineralocorticoids?

<p>Controlling water volume and electrolyte concentration (C)</p> Signup and view all the answers

Which drug is recommended as the first-line treatment for Type 2 diabetics?

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

What condition is Metformin contraindicated in?

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

What is a potential adverse effect of long-term Metformin use?

<p>Vitamin B12 deficiency (D)</p> Signup and view all the answers

In which condition can Metformin be effective apart from Type 2 diabetes?

<p>Polycystic ovary disease (D)</p> Signup and view all the answers

What is the primary target of thiazolidinediones or glitazones?

<p>Peroxisome proliferator activated receptor (PPAR α) (A)</p> Signup and view all the answers

What is the effect of pioglitazone on LDL cholesterol levels?

<p>No effect on LDL cholesterol levels (B)</p> Signup and view all the answers

Which tissue shows increased insulin sensitivity due to the action of thiazolidinediones or glitazones?

<p>Adipose tissue, liver, and skeletal muscle (B)</p> Signup and view all the answers

What is the impact of thiazolidinediones or glitazones on fat redistribution?

<p>Lead to fat redistribution from subcutaneous to visceral tissues (A)</p> Signup and view all the answers

What is the recommended course of action for patients who fail or have contraindications to metformin therapy?

<p>Begin glitazones as a second line alternative (C)</p> Signup and view all the answers

What is the effect of thiazolidinediones (TZDs) on nursing mothers?

<p>Inhibition of ovulation (C)</p> Signup and view all the answers

What is the impact of relief of insulin resistance caused by TZDs in premenopausal women with polycystic ovary syndrome?

<p>Resumption of ovulation (B)</p> Signup and view all the answers

How do TZDs affect the efficacy of oral contraceptives in women?

<p>Reduce plasma concentrations of estrogen containing contraceptives (A)</p> Signup and view all the answers

What is a potential adverse effect of thiazolidinediones or glitazones?

<p>Liver toxicity (B)</p> Signup and view all the answers

Which of the following is an adverse effect commonly associated with long-term corticosteroid therapy?

<p>Increased blood glucose levels (A)</p> Signup and view all the answers

What is the primary impact of elevated aldosterone levels?

<p>Increased risk of hyperkalemia (C)</p> Signup and view all the answers

What distinguishes insulin glargine from regular insulin?

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

What is the primary mechanism of action of α glucosidase inhibitors like Acarbose and Miglitol?

<p>Delaying the digestion of carbohydrates in the intestine (B)</p> Signup and view all the answers

What is the primary function of mineralocorticoids?

<p>Controlling water volume and concentration of electrolytes (B)</p> Signup and view all the answers

Which enzyme is targeted by α glucosidase inhibitors like Acarbose and Miglitol?

<p>α glucosidase in the intestinal brush border (D)</p> Signup and view all the answers

What is the impact of elevated aldosterone levels?

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

What are the major side effects associated with Acarbose and Miglitol?

<p>Flatulence, diarrhea, and abdominal cramping (C)</p> Signup and view all the answers

Who should not use Acarbose and Miglitol?

<p>Patients with inflammatory bowel disease, colonic ulceration, or intestinal obstruction (B)</p> Signup and view all the answers

What is the primary therapeutic indication for Acarbose and Miglitol?

<p>Type 2 diabetes treatment (C)</p> Signup and view all the answers

Which of the following best describes the absorption characteristics of Acarbose and Miglitol?

<p>Acarbose is poorly absorbed, while Miglitol is very well absorbed (A)</p> Signup and view all the answers

What is the primary function of Dipeptidyl Peptidase IV Inhibitors (DPP-IV) such as Sitagliptin?

<p>Prevent inactivation of incretin hormones (C)</p> Signup and view all the answers

What is the most common adverse effect associated with Sitagliptin?

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

How is the majority of Sitagliptin excreted from the body?

<p>Unchanged in the urine (B)</p> Signup and view all the answers

What is the primary effect of Dipeptidyl Peptidase IV Inhibitors (DPP-IV) like Sitagliptin on insulin release?

<p>Increased insulin release in response to meals (B)</p> Signup and view all the answers

Which of the following is a characteristic of Exenatide as an incretin mimetic?

<p>Decreases food intake (A)</p> Signup and view all the answers

What is the effect of oral glucose compared to intravenous glucose in terms of insulin secretion?

<p>Higher secretion of insulin (D)</p> Signup and view all the answers

What effect does Exenatide have on postprandial glucagon secretion?

<p>Decreases postprandial glucagon secretion (C)</p> Signup and view all the answers

What is the term used to describe the effect where oral glucose results in a higher secretion of insulin than occurs when an equal load of glucose is given intravenously?

<p>Incretin effect (B)</p> Signup and view all the answers

Exenatide is administered orally.

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

The main adverse effects of exenatide and pramlintide include nausea, vomiting, and diarrhea.

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

Mineralocorticoids primarily help control the body's water volume and concentration of electrolytes, particularly potassium and chloride. (True/False)

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

What is the primary mechanism of action of Sodium glucose cotransporter 2 (SGLT 2) inhibitors like Canagliflozin and Dapagliflozin?

<p>Lowering blood glucose levels (D)</p> Signup and view all the answers

What is the primary responsibility of Sodium glucose cotransporter 2 (SGLT 2) in the kidney?

<p>Reabsorbing filtered glucose in the tubular lumen (B)</p> Signup and view all the answers

What is the main impact of inhibiting Sodium glucose cotransporter 2 (SGLT 2) with drugs like Canagliflozin and Dapagliflozin?

<p>Decrease in reabsorption of glucose (B)</p> Signup and view all the answers

What is the primary outcome of inhibiting Sodium glucose cotransporter 2 (SGLT 2) using drugs like Canagliflozin and Dapagliflozin?

<p>Reduced glycosuria (D)</p> Signup and view all the answers

What is the most common adverse effect associated with Sodium Glucose Cotransporter 2 (SGLT 2) inhibitors?

<p>Urinary tract infections (A)</p> Signup and view all the answers

What is the primary impact of inhibiting Sodium Glucose Cotransporter 2 (SGLT 2) with drugs like Canagliflozin and Dapagliflozin?

<p>Reduced systolic blood pressure (C)</p> Signup and view all the answers

What is the result of the retention of sodium and water by mineralocorticoids?

<p>Increased blood volume and blood pressure (A)</p> Signup and view all the answers

What is a potential adverse effect of long-term Metformin use?

<p>Nausea, vomiting, and diarrhea (C)</p> Signup and view all the answers

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