10 Random Questions
Which the following findings is most hazardous in premature infants?
(A) Hematocrit of 55%
(B) Rectal temperature of 35 degrees C
(C) Umbilical arterial blood PO2 of 50 mmHg
(D) Umbilical arterial blood PCO2 of 45 mmHg
(E) Umbilical arterial systolic pressure of 60 mmHg
Reveal Answer
ADVANCED
Pediatric
Maternal hyperventilation to a PaCO2 of 20 mmHg during labor can result in
(A) decreased fetal trapping of local anesthetics
(B) fetal metabolic acidosis
(C) fetal respiratory acidosis
(D) increased oxygen release at the placenta
(E) uterine vasodilation
Reveal Answer
ADVANCED
OB
Each of the following is a complication or side effect of neurolytic celiac plexus blockade EXCEPT
(A) constipation
(B) hematuria
(C) orthostatic hypotension
(D) paraplegia
(E) pneumothorax
Reveal Answer
ADVANCED
Regional & Pain
A 40-year-old woman receives alfentanil 75 mcg/kg followed by an infusion of 1.5 mcg/kg/min for a one-hour cholecystectomy and cholangiogram. This regimen could be associated with each of the following EXCEPT
(A) muscle rigidity
(B) increased biliary tract pressure
(C) inadequate anesthesia
(D) postoperative respiratory depression
(E) two to four hours of postoperative analgesia
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
During direct intra-arterial measurement of blood pressure
(A) the mean arterial pressure will be unaffected by small air bubbles in the system
(B) an underdamped system will overestimate the mean arterial pressure
(C) an underdamped system will overestimate the diastolic pressure
(D) long tubing from the catheter to the transducer will tend to decrease resonance in the system
(E) calibration of the transducer by opening a stopcock to air at the sternal angle will overestimate the mean
Reveal Answer
BASIC
Equipment & Physics
A 60-kg, 17-year-old girl with severe idiopathic scoliosis is scheduled for Harrington rod fixation. Which of the following respiratory parameters is compatible with this disorder?
(A) Alveolar-to-arterial oxygen tension difference (A-aDO2) less than 100 mmHg while breathing pure oxygen
(B) FEV1/FVC ratio less than 50%
(C) Forced vital capacity less than 2000 ml
(D) Intrapulmonary shunt less than 10%
(E) Normal pulmonary vascular resistance
Reveal Answer
ADVANCED
Respiratory & Critical Care
Pediatric
Which of the following statements concerning the check valve of the common gas outlet on an anesthesia gas machine is true?
(A) It prevents backflow into vaporizers
(B) It prevents delivery of a hypoxic mixture
(C) It prevents rebreathing
(D) It is located downstream from the oxygen flush valve
(E) It is required for proper functioning of the proportioning system
Reveal Answer
BASIC
Equipment & Physics
After removing the electrocautery pad from the thigh, a burn is noted at that site. Which of the following most likely contributed to this injury?
(A) A line-isolation monitor fault
(B) Current leak from the EKG module
(C) Defective grounding of the electrocautery unit
(D) Dried gel on the electrocautery pad
(E) Excessive current setting for cutting mode
Reveal Answer
BASIC
Equipment & Physics
If administered prior to induction of anesthesia, which of the following drugs is most likely to cause tachycardia?
(A) Fentanyl
(B) Meperidine
(C) Midazolam
(D) Morphine
(E) Sufentanil
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
While checking an anesthesia machine, opening the oxygen flow-control valve yields no oxygen flow, although the wall-mounted oxygen pipeline supply gauge reads 50 psig. Opening the backup oxygen cylinder results in normal oxygen flow. The most likely cause is
(A) failure of the oxygen pipeline supply
(B) failure of the second-stage oxygen pressure regulator
(C) a malfunctioning check valve in the oxygen pipeline supply inlet
(D) a malfunctioning fail-safe valve
(E) a malfunctioning oxygen flow-control valve
Reveal Answer
BASIC
Equipment & Physics