10 Random Questions
Which of the following is an indication for administration of fresh frozen plasma?
(A) Antithrombin III deficiency
(B) Emergency antagonism of heparin effect
(C) Hemophilia A
(D) Transfusion of 5 units of homologous erythrocytes
(E) Uremic coagulopathy
Reveal Answer
BASIC
Transfusions & Fluids
Which of the following results in the greatest increase in right-to-left shunting in an infant with cyanotic heart disease?
(A) Decreased pulmonary vascular resistance
(B) Decreased systemic vascular resistance
(C) Hemodilution
(D) Increased heart rate
(E) Myocardial depression
Reveal Answer
ADVANCED
Pediatric
Cardiac
At extubation performed one week after nasotracheal intubation, each of the following is likely to occur EXCEPT
(A) upper airway obstruction
(B) aspiration after extubation
(C) ulceration of vocal cords
(D) tracheal stenosis
(E) sinusitis
Reveal Answer
ADVANCED
Respiratory & Critical Care
Measurement of blood pressure with a Doppler device involves
(A) reflection of ultrasound waves off blood elements
(B) detection of oscillations in cuff pressure
(C) amplification of Korotkoff sounds with a miniature microphone
(D) transillumination with a near infrared light
(E) detection of variations in blood vessel diameter
Reveal Answer
BASIC
Equipment & Physics
Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with
(A) acute myocardial ischemia
(B) aortic insufficiency
(C) mitral stenosis
(D) primary pulmonary hypertension
(E) tricuspid stenosis
Reveal Answer
BASIC
Cardiac
Which of the following is an effect of nitrous oxide?
(A) Decreased pulmonary vascular resistance
(B) Depression of uterine contractility
(C) Inhibition of methionine synthetase
(D) Stimulation of lymphocyte chemotaxis
(E) Stimulation of myocardial contractility
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
In patients with head trauma, which of the following factors results in a return of arterial pH toward normal levels after two days of mechanical hyperventilation?
(A) Decreased renal absorption of hydrogen ions
(B) Decreased renal blood flow
(C) Increased PaCO2 with constant minute ventilation
(D) Increased renal excretion of bicarbonate ions
(E) Normalized cerebrospinal fluid pH
Reveal Answer
ADVANCED
General
Neuro
The sudden onset of pulmonary edema can be caused by each of the following EXCEPT
(A) rapid re-expansion of the lungs following pneumothorax
(B) upper airway obstruction
(C) oxygen toxicity
(D) rupture of mitral papillary muscle
(E) severe preeclampsia
Reveal Answer
ADVANCED
Respiratory & Critical Care
On routine inspection of an anesthesia machine, the nitrous oxide E cylinder pressure is 360 psi. This indicates that the
(A) pressure in the cylinder is 16 atm
(B) cylinder contains no liquid nitrous oxide
(C) cylinder is half full
(D) cylinder contains enough nitrous oxide for one hour of anesthesia at a flow rate of 3 L/min
(E) reducing valve is malfunctioning
Reveal Answer
BASIC
Equipment & Physics
A 22-year-old woman with preeclampsia has undergone emergency cesarean delivery during general anesthesia. At the completion of the surgery, attempts at reversal of vecuronium are unsuccessful. Each of the following could be a cause of this failure EXCEPT
(A) hypoalbuminemia
(B) hypothermia
(C) perioperative administration of gentamicin
(D) perioperative administration of magnesium sulfate
(E) respiratory acidosis
Reveal Answer