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146.Explanation
Correct Answer - B
Ans. B. Depression
EEG changes during anesthesia:
EEG Depression caused by,
Inhalational agents (1-2 MAC)
Barbiturates
Opioids
Etomidate
Propofol
Hypocapnia
Marked hypercapnia
Hypothermia
Late hypoxia, ischemia
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145.Explanation
Correct Answer - D
Ans. D. Incorrect gas cylinder attachment
[Ref Lee 13th/e p. 85]
Pin index system: - This is the safety mechanism so that one
cylinder cannot be fitted at the other's position.
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145. Pin index system is a safety feature adopted in anesthesia machines to prevent?
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144.Explanation
Correct Answer - C
Ans. C. Ketamine
[Ref Miller's 7"le p. 744-746]
Ketamine is a potent bronchodilator; therefore it is the anesthetic
agent of choice in bronchial asthma patients.
Halothane is the inhalational agent of choice in asthmatics
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143.Explanation
Correct Answer - D
Ans. D. Inspection of oral cavity before intubation
[Ref Morgan 4thie p. 113]
Mallampati score (Mallampati oropharyngeal scale):
Mallampati grading is used to evaluate the visibility of tonsil and
tonsillar fossa which in turn assess the adequate mouth opening
depending upon the grade.
Indications of Mallampati score are Oral cavity assessment to rule
out difficult intubation (Inspection of oral cavity before intubation) & Sleep apnea evaluation.
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142.Explanation
Correct Answer - B:C
Ans.B,Diclofenac & C,Morphine
[Ref: KDT 7th/476
Transdermal fentanyl (Durogesic) has become available for use in
cancer/terminal illness.
Butrans skin patches contain buprenorphine an opioid pain
medication.
Clonidine transdermal delivery (patch) systems have been available
since the 1980
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141.Explanation
Correct Answer - C:D
Ans. is'c'i.e., Prilocaine &'d'i.e., Bupivacaine
[Ref: Lee's 13th/e p. 486]
Prilocaine & bupivacaine are amides (amcinonide). Other three are
aminoesters
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141. In ophthalmology a patient is allergic to
aminoesters. What can be used?
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141. In ophthalmology a patient is allergic to
aminoesters. What can be used?
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140.Explanation
Correct Answer - B
Ans:B. Dubin-Johnson syndrome.
Dubin-Johnson syndrome:
An autosomal recessive disorder.
Caused by gene mutation responsible for human canalicular
multispecific organic anion transporter (cMOAT) protein/ also
referred “multidrug resistance protein 2 (MRP2)” or ABCC2.
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139.Explanation
Correct Answer - A
Ans:A. BIS
Bispectral index:
* 1st scientifically validated & commercially available monitor to
check depth of anaesthesia.
* Utilizes many parameters (EEG signals, eye blinks) to calculate
depth score.
Adequate depth:
* Score of 45-60.
Fully awake state:
* Score of 100
Completely silent brain: 0.
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139. Which of the following is the most common method used to know depth of anaesthesia?
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138.Explanation
Correct Answer - D
Ans:D. Etomidate
Major advantage of etomidate:
Cardiovascular stability after induction.
Effects of etomidate induction dose:
Negligible increase in heart rate.
Little decrease in blood pressure/cardiac output.
Little effect on coronary perfusion pressure, while reducing
myocardial O2 consumption.
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