Mcq Subject: Anaesthesia

In a variable performance face mask

A. High patient inspiratory flow rate reduces oxygen concentration

B. Oxygen concentration decreases during an expiratory pause

C. Carbon dioxide concentration decreases during an expiratory pause

D. Side holes allow venting of expired gases and entrainment of air.

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Which of the following inhalational agents is the induction agent of choice in children –

A. Methoxyflurane

B. Sevoflurane

C. Desflurane

D. Isoflurane

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In porphyria all drugs are safe except –

A. Propofol

B. Midazolam

C. Afentanyl

D. Pentazocin

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Which of the following anesthetic agent cause hypeension on injection?

A. Ketamine

B. Propofol

C. Halothane

D. Thiopentone

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Anaesthetic agent(s) safe to use in↑ICP –

A. Halothane

B. Thiopentone

C. Ketamine

D. Ether

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The most common complication of interscalene block:-

A. Phrenic block

B. Pneumothorax

C. Hypotension

D. Horner syndrome

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All are amides EXCEPT:

A. Lignocaine

B. Procaine

C. Prilocaine

D. Etidocaine

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A 74-year-old woman with a history of a previous total abdominal hysterectomy presents with abdominal pain and distention for 3 days. She is noted on plain films to have dilated small-bowel and air-fluid levels. She is taken to the operating room for a small-bowel obstruction. Which of the following inhalational anesthetics should be avoided because of accumulation in air-filled cavities during general anesthesia?

A. Diethyl ether

B. Nitrous oxide

C. Halothane

D. Methoxyflurane

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An elderly diabetic woman with chronic steroid-dependent bronchospasm has an ileocolectomy for a perforated cecum. She is taken to the ICU intubated and is maintained on broad-spectrum antibiotics, renal dose dopamine, and a rapid steroid taper. On postoperative day 2, she develops a fever of 39.2degC (102.5degF), hypotension, lethargy, and laboratory values remarkable for hypoglycemia and hyperkalemia. Which of the following is the most likely explanation for her deterioration?

A. Sepsis

B. Hypovolemia

C. Adrenal insufficiency

D. Acute tubular necrosis

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Ketamine can be used in all of the situations except a) Status asthmaticusb) For analgesia & sedationc) Obstetric hemorrhaged) Ischemic heart diseasee) Aortic aneurysm

A. ab

B. de

C. cd

D. bd

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