10 Random Questions
Each of the following would be expected after preoperative oral administration of clonidine EXCEPT
(A) bradycardia in the absence of surgical stimulation
(B) decreased requirement for inhalational anesthetics
(C) decreased requirement for opioid anesthetics
(D) decreased response to exogenous epinephrine
(E) sedation
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
In a patient with peripheral vascular disease, the most likely result of lumbar sympathetic block is
(A) increased blood flow to skin and decreased blood flow to muscle
(B) increased blood flow to skin and unchanged blood flow to muscle
(C) increased blood flow to skin and muscle
(D) decreased blood flow to skin and muscle
(E) decreased blood flow to skin and unchanged blood flow to muscle
Reveal Answer
ADVANCED
Regional & Pain
The hemodynamic changes shown would most likely result from infusion of
(A) dopamine
(B) epinepherine
(C) dobutamine
(D) norepinepherine
(E) isoproterenol
Reveal Answer
BASIC
Respiratory & Critical Care
Pharmacology & Pharmacokinetics
The most effective treatment of severe carbon monoxide poisoning in a 2-year-old child is
(A) intravenous administration of methylene blue
(B) intravenous administration of thiocyanate
(C) intravenous administration of thiosulfate
(D) exchange transfusion
(E) hyperbaric oxygenation
Reveal Answer
ADVANCED
Pediatric
Which of the following is a manifestation of preeclampsia?
(A) Hypovolemia
(B) Increased colloid osmotic pressure
(C) Natriuresis
(D) Resistance to catecholamines
(E) Thrombocytosis
Reveal Answer
ADVANCED
OB
Which of the following best explains why neonates are at greater risk than adults for hypothermia during surgical procedures?
(A) Greater body surface area relative to body mass
(B) Greater cutaneous vasodilation at equal MAC concentrations of volatile anesthetics
(C) Greater dependence on shivering to produce heat
(D) Inability to increase metabolic rate
(E) Less insulation by adipose tissue
Reveal Answer
ADVANCED
Pediatric
Compared with intermittent positive pressure ventilation (IPPV), intermittent mandatory ventilation (IMV)
(A) better maintains cardiac output
(B) provides less than full mechanical ventilatory support
(C) requires a greater level of sedation
(D) requires a higher FlO2
(E) requires a lower inspiratory flow rate
Reveal Answer
BASIC
Respiratory & Critical Care
The concentration of bupivacaine is higher in maternal blood than in fetal blood because
(A) bupivacaine is metabolized in the placenta
(B) maternal blood has a higher pH
(C) maternal blood has greater plasma protein binding
(D) maternal hemoglobin has a higher affinity for bupivacaine
(E) placental transfer of bupivacaine is limited
Reveal Answer
ADVANCED
Pharmacology & Pharmacokinetics
OB
Which of the following opioids is vagolytic?
(A) Morphine
(B) Meperidine
(C) Sufentanil
(D) Nalbuphine
(E) Alfentanil
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
A woman is undergoing a repeat cesarean delivery at term following a normal pregnancy. Anesthesia consists of thiopental 250 mg, succinylcholine infusion (180 mg in 20 minutes), nitrous oxide and oxygen (7:3 L/min) until delivery. Twenty minutes after the incision a floppy newborn with a 1-minute Apgar score of 5 is delivered. The most likely explanation for the infant's condition is
(A) high serum thiopental concentration
(B) high serum succinylcholine concentration
(C) high serum nitrous oxide concentration
(D) high serum glucose concentration
(E) uterine hypoperfusion
Reveal Answer
ADVANCED
OB