Friday, April 18, 2008

CATECHOLAMINES QUIZ

1. The two major catecholamines are:
a. Adrenaline and noradrenaline
b. T3 and T4
c. TRH and TSH
d. Insulin and glucagon
e. None of the above

2. The following are the effects of increased catecholamine production, EXCEPT:
a. Increase cardiac output
b. Peripheral vasoconstriction
c. Sweating and pallor
d. Increase in blood pressure
e. None of the above

3. One pathologic clinical significance of increased catecholamine is :
a. Pheochromocytoma
b. Grave's disease
c. Diabetes mellitus
d. Addison's disease
e. None of the above

4. The BEST sample for catecholamine determination is:
a. unhemolyzed, non icteric and non turbid serum
b. detoxified urine
c. whole blood
d. a & b only
e. b & c only
f. a, b, & c

5. The following are physiologic factors affecting catecholamines, EXCEPT:
a. Emotional stress
b. Pain
c. Loud noise
d. Mental stress
e. None of the above

6. The following are end products of catecholamine metabolism, EXCEPT;
a. Norepinephrine
b. Epinephrine
c. Dopamine
d. HVA
e. All of the above
f. a & b
g. a, b, & c

7. The following are steroid hormones, EXCEPT;
a. Testosterone
b. Cortisol
c. Aldosterone
d. Catecholamines
e. None of the above

8. The secretion/production of catecholamines is greatest in what part of the day?
a. In the night
b. In the morning
c. The same all throughout the day
d. At noon
e. None of the above

9. The following are conditions that increase catecholamine concentrations, EXCEPT;
a. Neuroblastoma
b. Essential hypertension
c. Hypothyroidism
d. Pheochromocytoma
e. None of the above

10. Catecholamine concentrations are decreased in:
a. Hyperthyroidism
b. Septicemia
c. Depression
d. Diabetic acidosis
e. Burns

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