10 Random Questions
A 25-year-old woman is admitted to the hospital in the early stages of labor at term. Initial hematocrit is 33%. Which of the following is the most likely cause of the hematocrit value?
- (A) Decreased erythropoietin activity
- (B) Destruction of erythrocytes by the placenta
- (C) Early placental abruption
- (D) Increased plasma volume
- (E) Iron deficiency
The following breath sounds are heard after placement of a left-sided double-lumen endobronchial tube. The most likely cause of these findings is
- (A) presence of both lumens in the right mainstem bronchus
- (B) presence of both lumens in the left mainstem bronchus
- (C) presence of both lumens in the trachea
- (D) herniation of the bronchial cuff at the bifurcation of the trachea
- (E) presence of the bronchial lumen in the right mainstem bronchus
Each of the following is a recognized complication during a transurethral resection for which glycine is used as an irrigant EXCEPT
- (A) disseminated intravascular coagulopathy
- (B) hemolysis
- (C) hyperammonemia
- (D) shoulder pain
- (E) transient blindness
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
Which of the following statements best describes testing for susceptibility to malignant hyperthermia (MH)?
- (A) Live skeletal muscle cells are required for testing
- (B) The MH gene is located on the X chromosome
- (C) Muscle biopsy is appropriate in children younger than 1 year
- (D) A normal serum creatine phosphokinase concentration eliminates the need for muscle biopsy
- (E) Succinylcholine is used to stimulate muscle obtained on biopsy for MH
A patient with low cardiac output following coronary artery bypass grafting is transferred to the intensive care unit where a chest roentgenogram confirms proper placement of the pulmonary artery catheter. Serial pulmonary artery occlusion pressures are then measured. Immediately following inflation of the balloon with 1.5 ml of air in the wedged position, brisk bleeding is noted from the endotracheal tube. The most appropriate immediate management is to
- (A) withdraw the pulmonary artery catheter
- (B) perform endobronchial intubation
- (C) apply 15 to 20 cmH20 positive end-expiratory pressure to the airway
- (D) administer fresh frozen plasma rapidly
- (E) decrease blood pressure rapidly with nitroprusside
Each of the following is a physiologic effect of intra-aortic balloon pump therapy EXCEPT
- (A) decreased peak systolic pressure
- (B) increased cardiac output
- (C) increased coronary perfusion
- (D) increased diastolic pressure
- (E) increased total peripheral resistance
In the majority of cases, fetal heart rate decelerations in a variable pattern are associated with
- (A) decreased uteroplacental perfusion
- (B) fetal head compression during contractions
- (C) umbilical cord compression
- (D) low Apgar scores at birth
- (E) low neurobehavioral scores eight hours post partum
Pain and spasm due to injury of the deltoid muscle is most effectively relieved by
- (A) axillary block
- (B) cervical sympathetic block
- (C) interscalene brachial plexus block
- (D) paravertebral block at C4
- (E) superficial cervical plexus block
Appropriate anesthetic management of a patient with hypertrophic cardiomyopathy includes each of the following EXCEPT
- (A) maintaining normal or slightly greater than normal preload
- (B) adjusting positive airway pressure to maintain near normal venous return
- (C) preference for volatile agents rather than opiates for anesthesia
- (D) use of beta-adrenergic blocking agents to increase ventricular wall compliance
- (E) decreasing afterload with peripheral vasodilators