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Anaesthesia; Daily Free Online Mock Test 126 (PGI Pattern)

Author: RxPG, Posted on Saturday, October 18 @ 00:00:00 IST by RxPG  

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PGIMS

Multiple Choice Test



1) When used under hyperbaric conditions, nitrous oxide (N2O):

Choose 2 of the following options.
   1. Tends to cause hypotension.
   2. May cause clonus.
   3. Has a Minimum Alveolar Concentration (MAC) value of about 180%.
   4. Tends to cause tachypnoea.
   5. Causes Arrhythmias





2) Enflurane Anaesthesia:

Choose 4 of the following options.
   1. May cause Spike and Wave activity at 2 MAC.
   2. May sensitise the myocardium to the dysrhythmic effects of catechol amines at 1 MAC.
   3. May impair the ventilatory response to hypoxaemia at subanaesthetic concentrations.
   4. May produce a renal concentrating defect after 4 hours of 1 MAC.
   5. May cause spike and Wave activity at 1 MAC



3) The following is true of Isoflurane:

One answer only.
   A. 25% of patients with coronary artery disease are prone to coronary steal.
   B. It decreases the rate of production of CSF and increases reabsorption.
   C. Hypercapnic cerebral vasodilation is reduced.
   D. It is 0.4% metabolized.
   E. All of the above.



4) Nitrous Oxide:

Choose 2 of the following options.
   1. May lead to megaloblastic changes after 5 hours exposure in critically ill patients.
   2. Is not teratogenic when administered to women during the first or second trimesters.
   3. Lowers Pulmonary Artery Pressure.
   4. Impairs the " hypoxic ventilatory response ".
   5. Doesnt impair the " hypoxic ventilatory response ".



5) Methoxyflurane nephrotoxicity is more likely:

One answer only.
   1. With preexisting liver disease.
   2. After 1.5 MAC hours has been administered.
   3. When Methoxyflurane has been administered within 3 months.
   4. When other nephrotoxic agents are present.
   5. With preexisting heart disease



6) Which of the following agents can react with soda lime:

One answer only.
   A. Trichlorethylene.
   B. Ethyl Chloride.
   C. Halothane.
   D. Sevoflurane.
   E. All of the above.



7) A 20 ml ampoule of 'Diprivan' (propofol):

Choose 3 of the following options.
   1. Contains egg lecithin.
   2. Contains soybean oil.
   3. Contains glycerol.
   4. Has a pH of 3.7.
   5. Has a pH of 7.3



8) The boiling point of nitrous oxide (at atmospheric pressure) is:

One answer only.
   A. + 36.4 C
   B. - 90.9 C
   C. - 88.5 C
   D. + 34.6 C
   E. - 12.5 C



9) The minimum alveolar concentration ( MAC) of Sevoflurane:

Choose 4 of the following options.
   1. Is approximately 2.0% in a 40 year old man.
   2. Is approximately 1.4% in an 80 year old man.
   3. Is approximately 3 times the MAC of Halothane.
   4. Is approximately 1/3rd the MAC of Desflurane.
   5. Is approximately 3.0% in a 50 year old man



10) Production of 'Compound A' from sevoflurane in a CO2 absorption system is increased when:

Choose 4 of the following options.
   1. Canister temperatures are high.
   2. Sevoflurane concentrations are high.
   3. Fresh gas flow rates are low.
   4. Baralyme is used instead of soda lime.
   5. Cannister temperature is low


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