Biology

Endocrine and Metabolic Disorders

617 Questions

Endocrine and metabolic disorders focus on diseases caused by hormonal imbalances, such as goitre, diabetes mellitus, and hyperthyroidism. Test takers will find questions related to disease causes, diagnostic tests like Cushing's syndrome indicators, and clinical treatments. This is a crucial biology topic frequently asked in medical entrance and public service commission examinations.

Thyroid gland disordersGoitre causesDiabetes mellitus characteristicsHyperthyroidism treatmentsGrowth hormone deficiency

Endocrine and Metabolic Disorders Questions

Multiple choice

What is the most common cause of Cushing's syndrome in older adults?

  1. Adrenal tumor

  2. Pituitary tumor

  3. Ectopic ACTH production

  4. Medications
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pituitary tumor is the most common cause of Cushing's syndrome in older adults, accounting for approximately 70% of cases.

Multiple choice

What is the most common cause of growth hormone deficiency in older adults?

  1. Pituitary tumor

  2. Head injury

  3. Radiation therapy

  4. Medications
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pituitary tumor is the most common cause of growth hormone deficiency in older adults, accounting for approximately 70% of cases.

Multiple choice

What is the most common cause of diabetes insipidus in older adults?

  1. Head injury

  2. Pituitary tumor

  3. Kidney disease

  4. Medications
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Head injury is the most common cause of diabetes insipidus in older adults, accounting for approximately 50% of cases.

Multiple choice

Which of the following is a common geriatric condition characterized by excessive thirst and urination?

  1. Diabetes insipidus

  2. Diabetes mellitus

  3. Polyuria

  4. Nocturia
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Diabetes insipidus is a common geriatric condition characterized by excessive thirst and urination.

Multiple choice

Which of the following is a common complication of type 1 diabetes in children?

  1. Diabetic ketoacidosis

  2. Hypoglycemia

  3. Retinopathy

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Diabetic ketoacidosis, hypoglycemia, and retinopathy are all common complications of type 1 diabetes in children.

Multiple choice

What is the primary cause of Addison's disease?

  1. Autoimmune disorder

  2. Tuberculosis

  3. HIV/AIDS

  4. Cancer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In Addison's disease, the body's immune system mistakenly attacks and destroys the adrenal glands, leading to a deficiency of hormones produced by these glands.

Multiple choice

Which of the following is a potential complication of untreated Addison's disease?

  1. Addisonian crisis

  2. Cushing's syndrome

  3. Grave's disease

  4. Hyperthyroidism
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Addisonian crisis is a life-threatening complication of untreated Addison's disease, characterized by a severe drop in blood pressure, dehydration, and electrolyte imbalance.

Multiple choice

Which of the following is a potential side effect of hormone replacement therapy for Addison's disease?

  1. Weight gain

  2. Increased blood pressure

  3. Muscle weakness

  4. Mood swings
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Weight gain is a potential side effect of hormone replacement therapy for Addison's disease, as the synthetic hormones can sometimes lead to fluid retention and increased appetite.

Multiple choice

What is the recommended dietary modification for individuals with Addison's disease?

  1. Low-sodium diet

  2. High-potassium diet

  3. Low-carbohydrate diet

  4. High-protein diet
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Individuals with Addison's disease are recommended to follow a high-sodium diet, as the deficiency of aldosterone can lead to sodium loss and dehydration.

Multiple choice

Which of the following is a potential trigger for an Addisonian crisis?

  1. Physical stress

  2. Emotional stress

  3. Infection

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Physical stress, emotional stress, and infection can all be potential triggers for an Addisonian crisis, as these factors can increase the body's demand for cortisol and aldosterone.

Multiple choice

Which of the following is a potential long-term complication of untreated Addison's disease?

  1. Heart disease

  2. Stroke

  3. Kidney failure

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Untreated Addison's disease can lead to a number of long-term complications, including heart disease, stroke, and kidney failure, due to the chronic deficiency of cortisol and aldosterone.

Multiple choice

What is the recommended dosage of hydrocortisone for individuals with Addison's disease?

  1. 5-10 mg per day

  2. 15-20 mg per day

  3. 25-30 mg per day

  4. 35-40 mg per day
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The recommended dosage of hydrocortisone for individuals with Addison's disease typically ranges from 15 to 20 mg per day, although the exact dosage may vary depending on individual needs and response to treatment.

Multiple choice

What is the recommended dietary modification for individuals with Addison's disease who experience low blood pressure?

  1. Increase sodium intake

  2. Decrease potassium intake

  3. Increase fluid intake

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Individuals with Addison's disease who experience low blood pressure are recommended to increase sodium intake, decrease potassium intake, and increase fluid intake to help manage their blood pressure.

Multiple choice

Which hormone is commonly used to treat hypothyroidism, a condition characterized by insufficient thyroid hormone production?

  1. Epinephrine

  2. Levothyroxine

  3. Hydrocortisone

  4. Testosterone
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Levothyroxine is a synthetic form of thyroid hormone that is used to treat hypothyroidism, a condition in which the thyroid gland does not produce enough thyroid hormone.

Multiple choice

Which medication is commonly used to treat hyperthyroidism, a condition characterized by excessive thyroid hormone production?

  1. Levothyroxine

  2. Propylthiouracil

  3. Methimazole

  4. Liothyronine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Propylthiouracil is a medication used to treat hyperthyroidism by inhibiting thyroid hormone production.