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  1. Hypoglycemia.

***) Causes of hypoglycemia include all of the following, except:

  1. Insulinoma

  2. Hypoadrenalism

  3. Paracetamol overdose

  4. Alcohol

  5. Thiazide diuretics

Answer: E* Thiazide diuretics

***) All of the following are causes of hypoglycemia, except:

  1. Glibenclamide therapy

  2. Postprandial

  3. Hepatic failure

  4. Chronic pancreatitis

  5. Addison's disease

Answer: D* Chronic pancreatitis

***) Whipple's triad is seen in: Q2012

  1. Hepatoma

  2. Cushing's syndrome

  3. Hyperinsulinism (hypoglycemia)

  4. Lactase intolerance

  5. Intestinal lipodystrophy

Answer: C* Hyperinsulinism (hypoglycemia)

  1. Insulinoma.

***) 30 years old female nurse presented with decreased level of consciousness, labs showed increased insulin, glucose 30, increased C peptide and negative sulphonylurea. The most likely cause is: Q2012

  1. Exogenous insulin

  2. Insulinoma

  3. MEN 1

  4. MEN 2

  5. Hypoglycemia

Answer: B* Insulinoma

  1. Thyroid Gland.

  1. Thyroid Hormones.

***) The dietary element necessary for the formation of thyroid hormones is:

  1. Iron

  2. Iodine

  3. Copper

  4. Magnesium

  5. Sodium

Answer: B* Iodine

  1. Tests of Thyroid Function and Structure.

***) One of the following is found in primary hypothyroidism: Q2012

  1. Low T4, High T3, Normal TSH

  2. Low T4, Low T3, High TSH

  3. Low T4, Low T3, Low TSH

  4. Normal T4, Low T3, Low TSH

  5. Low T4, Normal T3, Low TSH

Answer: B* Low T4, Low T3, High TSH

***) Which of the following laboratory tests is the most sensitive indicator of primary hypothyroidism:

  1. T4

  2. T3 resin uptake

  3. T3 by RIA (radioimmunoassay)

  4. TSH (thyroid-stimulating hormone)

  5. Radioiodine uptake

Answer: D* TSH (thyroid-stimulating hormone)

  1. Thyrotoxicosis.

***) All of the following are manifestations of hyperthyroidism, except: Q2012

  1. Loss appetite

  2. Preference for cold

  3. Excessive warm sweating

  4. Palpitation

  5. Nervousness

Answer: A* Loss appetite

***) A 28 years old obese auxiliary nurse admitted with chest tightness and palpitation, her pulse was 105 regular, T3 and T4 levels were normal and TSH was 0.03 (normal range 0.4-4.1 mlU/l), and the thyroglobulin level was suppressed as well as thyroid uptake. The most likely diagnosis is:

  1. Graves’s disease

  2. Toxic multinodular goiter

  3. DeQuervin thyroiditis

  4. Factitious thyrotoxicosis

  5. Plummer disease

Answer: D* Graves’s disease

***) All of the following about Grave's disease (thyrotoxicosis) are true, except:

  1. Cause lid lag

  2. TSH is high

  3. Pretibial myxedema is a feature

  4. Causes exophthalmus

  5. Myopathy may occur

Answer: B* TSH is high

***) All of the following about Grave's disease (thyrotoxicosis) are true, except:

  1. Pretibial myxedema

  2. Myopathy

  3. Atrial fibrillation

  4. Oligomenorrhea

  5. Aortic incompetence

Answer: E* Aortic incompetence

***) All of the following about Grave's disease (thyrotoxicosis) are true, except:

  1. Tremor of both hands

  2. Carpopedal spasm

  3. Pretibial myxedema

  4. Tachycardia

  5. Lid retraction

Answer: B* Carpopedal spasm

***) All of the following about Grave's disease (thyrotoxicosis) are true, except:

  1. Loss of weight in spite of increased appetite

  2. Slow-relaxing of the ankle jerk

  3. Hyperkinetic movements

  4. Pulse rate 120/min

  5. Goitre

Answer: B* Slow-relaxing of the ankle jerk

***) All of the following are manifestations of thyrotoxicosis, except:

  1. Loss of weight in spite of good appetite

  2. Preference for heat

  3. Excessive warm sweating

  4. Palpitation

  5. Nervousness

Answer: B* Preference for heat

***) All of the following are manifestations of thyrotoxicosis, except:

  1. Exophtalmos

  2. Pretibial myxedema

  3. Preference for cold

  4. Increased body weight

  5. Excessive sweating

Answer: D* Increased body weight

***) All of the following may be used in the treatment of thyrotoxicosis, except:

  1. Neomercazole

  2. Radio-active iodine

  3. Surgery

  4. Propranolol inderal

  5. Cyclophosphamide

Answer: E* Cyclophosphamide

***) All of the following may be used in the treatment of thyrotoxicosis, except:

  1. Radioactive iodine

  2. Carbimazole

  3. Potassium perchlorate

  4. Cyclophosphamide

  5. Propranolol

Answer: D* Cyclophosphamide