MCQ Paper No. 13


Please select True or False for the following questions.

1. Regarding 0.9% NaCl

a. 1000mL contains 0.9g of Chloride ions
b. Excessive use is associated with a metabolic acidosis
c. It is first line for use in symptomatic hyponatraemia
d. It's use is preferential over albumin for fluid resuscitation in septic shock
e. 1000mL contains 140mmol of both Na and Cl ions

 

2. Regarding Thiopentone for cerebral protection:

a. It reduces cerebral oxygen consumption by 60%
b. It is indicated for use when the cause is cardiac arrest
c. It has a greater effect when given before the event
d. It exerts it's effect by reducing cerebral blood flow.
e. It can be used to control seizures refractory to alternative therapy.
3. Dexmedetomidine

a. Is a highly selective alpha-2 antagonist
b. Has a greater amnesic effect than midazolam
c. Requires dose reduction in renal failure
d. At high doses can reduced respiratory drive
e. Requires a loading dose
4. Diabetic ketoacidosis is associated with:

a. A low bicarbonate level
b. A low pCO2
c. Hyperkalaemia
d. Renal failure
e. Partial oxidation of fatty acids
5. Hypovolaemic shock results in:

a. A high ScvO2
b. Increased stroke volume
c. High oxygen extraction ratio
d. Increased systemic vascular resistance
e. increased pulmonary vascular resistance


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