10 Random Questions
Postoperatively a 70-kg patient has a serum sodium value of 130 mEq/L. To increase this value to 140 mEq/L would require the administration of how much sodium in mEq?
(A) 140
(B) 250
(C) 420
(D) 600
(E) 740
Reveal Answer
BASIC
Transfusions & Fluids
Which of the following increases the cephalad spread of hyperbaric intrathecal local anesthetics?
(A) Cephalad-directed needle bevel
(B) Coughing
(C) Lithotomy position
(D) Obesity
(E) Rapid injection
Reveal Answer
Which of the following drugs best facilitates management of cerebral vasospasm after subarachnoid hemorrhage?
(A) Nifedipine
(B) Nimodipine
(C) Nitroglycerin
(D) Nitroprusside
(E) Thiopental
Reveal Answer
ADVANCED
Neuro
At a body temperature of 30°C, resistance to blood flow increases because of
(A) increased hematocrit
(B) increased plasma fibrinogen concentration
(C) increased viscosity of blood
(D) rouleaux formation of red blood cells
(E) sequestration of platelets in portal circulation
Reveal Answer
ADVANCED
General
A patient with chronic paraplegia (T4 level) is undergoing cystoscopy and removal of bladder calculi without anesthesia. After 10 minutes, blood pressure is 240/100 mmHg and pulse is 50 bpm. The most appropriate management is administration of
(A) spinal anesthesia
(B) inhalational anesthesia
(C) thiopental intravenously
(D) methyldopa intravenously
(E) nitroprusside intravenously
Reveal Answer
ADVANCED
General
Which of the following is the most important function of temperature compensation in anesthetic vaporizers?
(A) Compensation for changes in the specific heat of the anesthetic during vaporization
(B) Delivery of diluent gas at a constant temperature regardless of flow rate
(C) Increase of bypass flow when the vaporizer is cooled by high fresh gas flow
(D) Maintenance of constant anesthetic vapor output over a range of vaporizer temperatures
(E) Maintenance of constant vapor concentrations at low flow rates
Reveal Answer
BASIC
Equipment & Physics
You are called to anesthetize a patient for an emergency pericardial window for a large pericardial effusion. Which of the following drugs is most appropriate for initiation of anesthesia?
(A) Alfentanil
(B) Ketamine
(C) Midazolam
(D) Propofol
(E) Thiopental
Reveal Answer
ADVANCED
General
Cardiac
Diplopia following lumbar puncture with a 25-gauge, 3 1/2-inch needle is the result of
(A) stretching the abducens nerve
(B) pressure on the optic nerve
(C) distortion of the oculomotor nucleus from collapse of the wall of the third ventricle
(D) the severity of the accompanying headache
(E) compensatory cerebral swelling
Reveal Answer
ADVANCED
Regional & Pain
Which of the following drugs increases gastric pH while decreasing gastric volume?
(A) Glycopyrrolate
(B) Magnesium trisilicate
(C) Metoclopramide
(D) Ranitidine
(E) Sodium citrate
Reveal Answer
Equipment that is attached to a patient should have leakage current no greater than
(A) 10 microamps
(B) 100 microamps
(C) 1 milliamp
(D) 10 milliamps
(E) 100 milliamps
Reveal Answer
BASIC
Equipment & Physics