Primary MCQs April, 05, london exam.

[sangram]

1. Starling\'s law-
a. it applies to atrial muscles.
b. applies to ventricular muscles.
c. tension developed is proportional to lenth.

2. Buffer solution-
a. consist of a acid salt with base salt
b. acid salt and another acid salt
c. is acid and a salt of its base.
d. is base with its salt.
e. is base salt with another base salt.

3. CO2 diffuses faster than O2 b\'cause-
a. its molecular weight is less than O2.
b. its more water soluble.
c. it has special transport channels.
d. its more soluble in membrane.
e. it has more affinity for transport channels.

4. Suxamethonium block is increased by-
a. small dose of NMDR
b. N2O
c. Pregnancy
d. Phenytoin therapy.

5. VRCO2(ventilatory response to CO2)-
a. reduced by sleep.
b. reduced by morphine.
c. increased by anaesthesia.
d. increased by doxapram.
e. reduced by hypoxia.

6. Ventimask-
a. increases Vd (deadspace)
b. Occlusion of the exit holes on mask increases Vd.
c. FiO2 is patient dependent.
d. FiO2 is flow dependent.

7. Antibiotics side effects-
a. gentamycin causes ear toxicity.
b. erythromycin is related to kidney problems.
c. ?

8. Bradycardia can be caused -
a. d/t halothane.
b. vecuronium.
c. atracurium.
d. suxamethonium.
e ?

9. Thyroid harmones-T3/T4
a.?cant remember, sorry.