Biology
Endocrine and Metabolic Disorders
674 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
What is the term for excessive thirst?
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Polydipsia
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Xerostomia
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Anorexia
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Dysphagia
A
Correct answer
Explanation
Polydipsia is the medical term for excessive thirst, which can be caused by a variety of factors, including diabetes, certain medications, and medical conditions.
Which of the following is a potential consequence of excessive fluid intake?
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Water intoxication
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Electrolyte imbalance
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Hyponatremia
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All of the above
D
Correct answer
Explanation
Excessive fluid intake can lead to a variety of health problems, including water intoxication, electrolyte imbalance, and hyponatremia.
Which of the following populations is most vulnerable to the effects of endocrine disruption?
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Children
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Pregnant women
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Elderly people
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All of the above
D
Correct answer
Explanation
Children, pregnant women, and elderly people are all more vulnerable to the effects of endocrine disruption due to their developing or changing endocrine systems.
How does laxative or diuretic abuse contribute to body image issues?
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It can lead to dehydration and electrolyte imbalances.
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It can damage the kidneys and liver.
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It can increase the risk of developing an eating disorder.
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All of the above.
D
Correct answer
Explanation
Laxative or diuretic abuse can lead to dehydration and electrolyte imbalances, damage the kidneys and liver, and increase the risk of developing an eating disorder.
Which of the following conditions is a risk factor for neonatal hypoglycemia?
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Prematurity
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Large for gestational age (LGA)
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Intrauterine growth restriction (IUGR)
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All of the above
D
Correct answer
Explanation
Prematurity, LGA, and IUGR are all risk factors for neonatal hypoglycemia.
Which of the following is a contraindication to the use of beta2-agonist bronchodilators?
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Asthma
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COPD
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Heart failure
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Hyperthyroidism
C
Correct answer
Explanation
Beta2-agonist bronchodilators are contraindicated in patients with heart failure because they can worsen the condition by increasing heart rate and blood pressure.
What are the potential adverse effects of diuretic therapy in neonates?
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Hypokalemia
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Hyponatremia
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Metabolic alkalosis
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All of the above
D
Correct answer
Explanation
Diuretic therapy in neonates can lead to potential adverse effects, including hypokalemia, hyponatremia, and metabolic alkalosis. Hypokalemia is a condition characterized by low potassium levels in the blood, hyponatremia is a condition characterized by low sodium levels in the blood, and metabolic alkalosis is a condition characterized by an increase in blood pH and bicarbonate levels.
What is the term for a condition in which the pituitary gland produces excessive amounts of growth hormone?
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Acromegaly
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Gigantism
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Dwarfism
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Hypothyroidism
Correct answer
Explanation
Acromegaly refers to excessive growth hormone production in adults, leading to abnormal bone growth and enlargement of hands, feet, and facial features. Gigantism, on the other hand, is excessive growth hormone production in children, resulting in abnormally tall stature.
What is the role of iodine in thyroid hormone production?
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It is a component of thyroid hormones
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It stimulates the release of thyroid hormones
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It inhibits the production of thyroid hormones
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It has no role in thyroid hormone production
A
Correct answer
Explanation
Iodine is an essential component of thyroid hormones. It is incorporated into the structure of T4 and T3.
Which of the following is a symptom of hypothyroidism?
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Weight gain
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Increased heart rate
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Heat intolerance
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Frequent urination
A
Correct answer
Explanation
Weight gain is a common symptom of hypothyroidism, which is a condition where the thyroid gland does not produce enough thyroid hormones.
What is the most common cause of hypothyroidism?
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Hashimoto's thyroiditis
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Graves' disease
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Thyroid cancer
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Iodine deficiency
A
Correct answer
Explanation
Hashimoto's thyroiditis is the most common cause of hypothyroidism. It is an autoimmune disorder where the body's immune system attacks the thyroid gland.
What is the most common cause of hyperthyroidism?
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Graves' disease
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Hashimoto's thyroiditis
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Thyroid cancer
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Iodine deficiency
A
Correct answer
Explanation
Graves' disease is the most common cause of hyperthyroidism. It is an autoimmune disorder where the body's immune system produces antibodies that stimulate the thyroid gland to produce too much thyroid hormones.
How is hypothyroidism treated?
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Thyroid hormone replacement therapy
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Antithyroid medications
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Radioactive iodine therapy
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Surgery
A
Correct answer
Explanation
Hypothyroidism is treated with thyroid hormone replacement therapy, which involves taking synthetic thyroid hormones to replace the hormones that the thyroid gland is not producing.
How is hyperthyroidism treated?
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Antithyroid medications
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Radioactive iodine therapy
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Surgery
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Beta-blockers
A
Correct answer
Explanation
Hyperthyroidism is initially treated with antithyroid medications, which block the production of thyroid hormones. Radioactive iodine therapy or surgery may be used if antithyroid medications are not effective.
Which of the following conditions is associated with an enlarged thyroid gland?
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Goiter
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Hypothyroidism
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Hyperthyroidism
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Thyroid cancer
A
Correct answer
Explanation
Goiter is a condition characterized by an enlarged thyroid gland. It can be caused by various factors, including iodine deficiency, autoimmune disorders, and thyroid nodules.