Endocrinology MCQ
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TSH is produced by the:
Pituary Gland
The major control mechanism for serum calcium level is played by
Parathyroid hormone
Persistent hypoglycemia is seen in which of the following conditions? 1. insulinoma 2. galactosemia 3. Hyperthyroidism 4. Addison’s disease
1 and 2
One of the following is NOT secreted by the anterior pituitary gland. Which one is it?
VMA
Increased urinary catecholamine metabolites with intermittent hypertension may indicate which of the following conditions:
B. adrenal medullary disease
The major thyroid hormone is
Thyroxine
Plasma renin activity is most useful in the differential diagnosis of:
Hypertension
Assessments of primary & secondary hypothyroidism include the following EXCEPT: A. T 3 C. TSH B. T 4 D. Calcitonin
Calcitonin
The reference method for pituitary secretions is the
RIA TECHNIQUES
The secretion of anterior pituitary hormones is regulated by:
Hypothalamus
Which of the following is caused by oversecretion of the adrenal cortex?
Cushing’s disease
The use of iodized salt serves to provide iodine for the synthesis of:
Thyroid hormone
Diurnal variations is important to consider when collection blood for the assay of:
Cortisol
The estrogen designated as E 2 whose urine concentration is the greatest is:
Estradiol 17β
What is the hormone which controls the reabsorption of sodium in the kidneys:
Aldosterone
Catecholamines are secreted by the:
Adrenal medulla
Which of the following is a metabolite of epinephrine?
Vanillylmandelic acid
Patient has a TSH result markedly elevated. This maybe due to:
Hyperthyroidism
Patient’s value is normal T 3 , T 4 , what do you think is the value of TSH?
Normal
In which of the following are the thyroid hormones classifieed?
Amino acid derivatives
When is the best time to get plasma cortisol samples
8 am
Why is it important to time samples for cortisol level:
Because maximal secretion of cortisol has a diurnal pattern
The relationship of a cholesterol and thyroid hormone is:
Inversely proportional
Diabetes insipidus is associated with deficiency in
ADH