10 Random Questions
A 57-year-old man has back pain, a heart rate of 90 bpm, decreased pulse in the left arm, and blood pressure of 200/110 mmHg. During infusion of nitroprusside, heart rate increases to 115 bpm and blood pressure decreases to 140/80 mmHg. The most appropriate management at this time is administration of
(A) droperidol
(B) nifedipine
(C) normal saline solution
(D) propranolol
(E) verapamil
Reveal Answer
ADVANCED
General
Which of the following is the most common initial sign of hemolytic transfusion reaction during general anesthesia?
(A) Bronchospasm
(B) Diffuse bleeding
(C) Fever
(D) Hemoglobinuria
(E) Hypotension
Reveal Answer
BASIC
Transfusions & Fluids
General
After weaning from cardiopulmonary bypass following mitral valve replacement, a patient's cardiac output is reported to be 3.7 L/min measured by thermodilution technique using 5% dextrose in water 10 ml at room temperature as injec-tate. This value could be falsely high if
(A) normal saline solution were mistakenly used
(B) the patient's hematocrit were still 25%
(C) only 9.0 ml of injectate were used
(D) atrial fibrillation were present
(E) the room were excessively cold
Reveal Answer
ADVANCED
Cardiac
Which of the following drugs increases cerebral blood flow while decreasing cerebral metabolic rate?
(A) Etomidate
(B) Fentanyl
(C) Isoflurane
(D) Lidocaine
(E) Midazolam
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Neuro
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
A healthy, but obese, 110-kg woman is scheduled for gastric stapling. Compared with that required at her ideal weight, the dose of thiopental required for anesthetic induction would likely be increased because of changes in
(A) blood volume
(B) muscle mass
(C) circulation time
(D) body fat
(E) metabolic rate
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following decreases the clearance of atracurium?
(A) Administration of cimetidine
(B) Cholinesterase deficiency
(C) Hepatic insufficiency
(D) Hypothermia
(E) Renal insufficiency
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Hypothermia to 29°C will decrease
(A) hematocrit
(B) plasma fibrinogen concentration
(C) plasma pH
(D) plasma protein concentration
(E) platelet function
Reveal Answer
BASIC
General
Which of the following statements concerning use of amitriptyline to treat chronic pain is true?
(A) It acts primarily via opioid receptors
(B) It increases serotonin levels in the brain
(C) It is rarely effective for postherpetic neuralgia
(D) Onset of action occurs after four to six weeks of treatment
(E) Response depends on reversal of depression
Reveal Answer
ADVANCED
Regional & Pain
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