10 Random Questions
In pregnant patients, which of the following is an effect of the long-term use of cocaine?
(A) Decreased uterine tone
(B) Decreased thiopental requirement
(C) Increased isoflurane MAC
(D) Increased sensitivity to ephedrine
(E) Lower than expected level of block with tetracaine spinal analgesia
Reveal Answer
ADVANCED
OB
Which of the following statements concerning pulmonary function in patients with pulmonary fibrosis is true?
(A) Diffusion capacity is decreased
(B) Pulmonary artery diastolic-to-occlusion pressure gradients are normal
(C) Ventilation-perfusion relationships are normal
(D) Static pulmonary compliance is unchanged
(E) Mechanical ventilation with slow rate and large tidal volume is optimal
Reveal Answer
ADVANCED
Respiratory & Critical Care
Which of the following is the most common initial manifestation of malignant hyperthermia?
(A) Hyperkalemia
(B) Increased distal esophageal temperature
(C) Increased PETCO2
(D) Red discoloration of urine
(E) Ventricular irritability
Reveal Answer
BASIC
General
Compared with an induction dose of thiopental (4 mg/kg), an induction dose of propofol (2.5 mg/kg) produces
(A) better maintenance of cerebral perfusion pressure
(B) greater inhibition of glucocorticoid production
(C) higher incidence of myoclonus
(D) less severe hypotension
(E) less severe respiratory depression
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Maternal hyperventilation will result in
(A) increased umbilical blood flow
(B) decreased affinity of maternal hemoglobin for oxygen
(C) decreased maternal and fetal cardiac output
(D) increased placental transfer of oxygen
(E) increased fetal cerebral blood flow
Reveal Answer
A patient is hyperventilated to a PaC02 of 20 mmHg. Which of the following physiologic parameters is most likely to be increased?
(A) Airway resistance
(B) Myocardial contractility
(C) Oxygen delivery to tissues
(D) Pulmonary vascular resistance
(E) Serum ionized calcium concentration
Reveal Answer
Compared with epidural morphine, intrathecal morphine produces
(A) better relief of visceral pain
(B) greater loss of analgesia after administration of naloxone
(C) less pruritus
(D) less urinary retention
(E) more respiratory depression
Reveal Answer
ADVANCED
Regional & Pain
A 35-year-old woman undergoes a one-hour abdominal liposuction procedure under general anesthesia. During the procedure, 2000 ml of crystalloid is administered and 800 ml of fatty tissue is extracted. Thirty minutes postoperatively, blood pressure is 75/40 mmHg and heart rate is 100 bpm; SpO2 is 94% on room air. Which of the following is the most likely cause of these findings?
(A) Acute systemic vasodilation
(B) Circulating free fatty acids
(C) Hypocalcemia
(D) Inadequate intravascular volume replacement
(E) Venous fat embolism
Reveal Answer
ADVANCED
Transfusions & Fluids
General
Which of the following increases during infusion of epinephrine?
(A) Glycogen synthesis
(B) Intracellular glucose concentration
(C) Intracellular potassium concentration
(D) Lipogenesis
(E) Protein synthesis
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics
Which of the following statements concerning the effects of glycopyrrolate is true?
(A) It decreases gastric pH
(B) It causes bronchoconstriction
(C) It decreases lower esophageal sphincter tone
(D) It does not prevent succinylcholine-induced bradycardia
(E) It causes a central anticholinergic syndrome
Reveal Answer
BASIC
Pharmacology & Pharmacokinetics