10 Random Questions
Gravid uterine blood flow is
(A) autoregulated
(B) decreased by normotensive epidural analgesia
(C) decreased by uterine contractions
(D) increased with an increase in maternal Pa02
(E) unaffected by alpha-adrenergic agonists
Reveal Answer
ADVANCED
OB
Intraocular pressure is
(A) decreased by glycopyrrolate
(B) increased by hyperventilation
(C) decreased by halothane
(D) increased by nondepolarizing muscle relaxants
(E) increased by phenylephrine eye drops
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following conditions decreases right-to-left shunt through a patent ductus arteriosus in a neonate?
(A) Arterial hypotension
(B) Arterial hypoxemia
(C) Metabolic acidemia
(D) Positive end-expiratory pressure
(E) Respiratory alkalemia
Reveal Answer
ADVANCED
Pediatric
Which of the following statements concerning the risk of acquiring hepatitis from a blood transfusion is true?
(A) Most patients with post-transfusion hepatitis become clinically jaundiced
(B) Most cases of post-transfusion hepatitis are caused by the hepatitis B virus
(C) The risk for hepatitis is less than the risk for AIDS
(D) The risk for post-transfusion hepatitis is less than 1% per unit transfused
(E) The incidence of post-transfusion hepatitis has remained unchanged over the past decade
Reveal Answer
BASIC
Transfusions & Fluids
Which of the following is the most likely adverse effect of prolonged intravenous administration of nitroglycerin?
(A) Cyanmethemoglobinemia
(B) Hemolysis
(C) Methemoglobinemia
(D) Neutropenia
(E) Thrombocytopenia
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
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
A patient has fever and chills in the recovery room following an abdominal hysterectomy that required the intraoperative administration of whole blood 1 unit. A blood sample drawn in the recovery room shows no free hemoglobin. Subsequently, packed red blood cells 1 unit and fresh frozen plasma 1 unit are administered, and the fever and chills recur. The most likely cause of the fever and chills is
(A) an allergic-type transfusion reaction
(B) a hemolytic transfusion reaction to untested antibodies
(C) bacterial contamination of blood
(D) a reaction to leukocytes contained in the plasma
(E) the presence of cold agglutinins in the patient
Reveal Answer
Intraoperative heat loss in an unclothed, undraped patient is caused primarily by
(A) conduction to colder objects
(B) convective heat loss
(C) insensible perspiration
(D) radiant heat loss to the environment
(E) respiratory tract water loss
Reveal Answer
BASIC
General
A patient with end-stage renal disease has prolonged ventilatory depression after administration of morphine. The most likely cause is increased
(A) serum concentration of morphine-6-glucuronide
(B) elimination half-life of morphine
(C) opioid receptors
(D) receptor affinity
(E) volume of distribution
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following statements about pulmonary function testing is true?
(A) Forced expiratory volume in one second (FEV1) is directly related to maximum voluntary ventilation
(B) FEV, is the most reliable indicator of small airways resistance
(C) Forced vital capacity is markedly decreased in obstructive lung disease with air-trapping
(D) Maximum mid-expiratory flow is less effort dependent than FEV1
(E) Three-second forced expiratory volume is the amount of air exhaled during the third second of exhalation
Reveal Answer
ADVANCED
Respiratory & Critical Care