10 Random Questions
A meconium-stained, full-term infant has an initial Apgar score of 2. The oropharynx is suctioned and the infant is placed on a heated table. Which of the following is the most appropriate next step in management of the airway?
- (A) If the oropharynx is clear, observation for respiratory effort
- (B) Placement of an oxygen mask and application of positive pressure to clear the airway
- (C) Nasotracheal suctioning
- (D) Tracheal suctioning using the endotracheal tube
- (E) Intubation and ventilation with 100% oxygen
A 64-year-old man is scheduled to have an elective right colon resection under nitrous oxide, oxygen, enflurane anesthesia. Following a myocardial infarction two years ago, a programmable VVI pacemaker was inserted for complete heart block. A pre induction rhythm strip is shown. Based on this EKG finding, the most appropriate action is to
- (A) proceed with induction of anesthesia
- (B) convert the pacemaker to the fixed rate mode
- (C) reprogram the pacemaker to increase R-wave sensitivity
- (D) increase the pacemaker current outpu
- (E) insert a temporary atrioventricular sequential pacemaker
Which of the following factors will slow the induction of anesthesia in patients receiving volatile anesthetics?
- (A) Addition of 70% nitrous oxide
- (B) Increased cardiac output
- (C) Increased minute ventilation
- (D) Low blood/gas solubility coefficient
- (E) Previous pneumonectomy
Which of the following statements concerning the superior laryngeal nerve is true?
- (A) It provides sensory innervation to the subglottic surface of the vocal cord
- (B) It provides sensory innervation to the inferior surface of the epiglottis
- (C) It is a branch of the glossopharyngeal nerve
- (D) It is blocked by injection of anesthetic near the lateral portion of the cricothyroid membrane
- (E) It is the most commonly injured nerve during thyroid surgery
Which of the following statements best describes "screening" when blood is ordered for type and screen?
- (A) Red blood cells are mixed with serum containing known antigens
- (B) Red blood cells are mixed with serum from the pool of potential donors
- (C) Red blood cells are mixed with red blood cells from the pool of potential donors
- (D) Serum is mixed with red blood cells that contain known antigens
- (E) Serum is mixed with red blood cells from the pool of potential donors
A 68-year-old woman who is receiving urokinase for deep venous thrombosis and pulmonary emboli requires emergency laparotomy for a bleeding gastric ulcer. Which of the following agents is most appropriate to reverse the effects of urokinase?
- (A) Cryoprecipitate
- (B) Factor VIII concentrate
- (C) Fresh frozen plasma
- (D) Platelets
- (E) Vitamin K
A 64-year-old man with diabetes mellitus well controlled with NPH insulin undergoes lower extremity revascularization. Following administration of protamine 10 mg, the patient has facial flushing and blood pressure of 60/30 mmHg. The most appropriate initial step in management is administration of which of the following drugs?
- (A) Diphenhydramine
- (B) Epinephrine
- (C) Hydrocortisone
- (D) Norepinephrine
- (E) Phenylephrine
During pulmonary artery catheterization, a 65-year-old man receives morphine 6 mg and scopolamine 0.4 mg intravenously. The pulse oximeter indicates desaturation, which quickly resolves with stimulation. When the drapes are removed, he has unilateral eye pain, decreased visual acuity, and dilated and irregular pupils. These eye symptoms are most likely caused by
- (A) retinal hemorrhage
- (B) morphine-induced oculogyric crisis
- (C) corneal abrasion
- (D) carotid artery embolization
- (E) angle-closure glaucoma
During nitrous oxide anesthesia, which of the following expands most rapidly?
- (A) Air bubble in the blood
- (B) Air in the intestine
- (C) Endotracheal tube cuff
- (D) Pneumothorax
- (E) Sulfahexafluoride bubble in the vitreal cavity
During surgery of the forearm under axillary block, a patient has pain in the lateral aspect of the forearm and responds by flexing the elbow. The most likely cause is inadequate block of which of the following nerves?
- (A) Axillary
- (B) Intercostobrachial
- (C) Musculocutaneous
- (D) Radial
- (E) Ulnar