10 Random Questions
An infant is delivered by forceps following labor in which variable decelerations were noted. Amniotic fluid was clear. Initial evaluation shows a cyanotic, limp infant with a heart rate of 80 bpm, poor respiratory efforts, and grimacing in response to suctioning. The most appropriate method of resuscitation for this newborn is
- (A) vigorous tactile stimulation
- (B) bag and mask ventilation with oxygen
- (C) immediate endotracheal intubation
- (D) administration of sodium bicarbonate 1 mEq/kg
- (E) volume expansion with normal saline solution 10 mL/kg
Which of the following statements concerning the innervation of the larynx is true?
- (A) The glossopharyngeal nerve provides motor innervation to the vocal cords
- (B) The recurrent laryngeal nerve provides sensory innervation to the mucosa of the larynx above the vocal cords
- (C) The hypoglossal nerve provides sensory innervation to the aryepiglottic folds
- (D) Unilateral recurrent laryngeal nerve injury results in an abducted vocal cord on the injured side
- (E) The vagus nerve provides innervation to all structures below the vocal cords
The portion of the infant airway with the smallest cross-sectional area occurs at the level of the
- (A) cricoid cartilage
- (B) false vocal cords
- (C) thoracic inlet
- (D) tonsillar pillars
- (E) true vocal cords
Which of the following is the most appropriate drug to treat hypotension in patients with asymmetric septal hypertrophy (IHSS)?
- (A) Amrinone
- (B) Calcium chloride
- (C) Dopamine
- (D) Ephedrine
- (E) Phenylephrine
The EEG begins to flatten during carotid endarterectomy when regional cerebral blood flow (in ml/min/100 g brain) decreases to
- (A) 55
- (B) 45
- (C) 30
- (D) 20
- (E) 10
A 26-year-old woman has persistent uterine bleeding following a normal spontaneous delivery without anesthesia. The uterus is firm on manual examination. Which of the following anesthetics is most appropriate for manual extraction of the placenta?
- (A) Halothane
- (B) Pudendal block with lidocaine
- (C) Subarachnoid tetracaine
- (D) Thiopental
- (E) Vecuronium
The condition LEAST likely to be associated with sustained pain relief following a nerve block is
- (A) causalgia
- (B) myofascial pain
- (C) diabetic neuropathy
- (D) acute herpes zoster
- (E) reflex sympathetic dystrophy
Which of the following provides the most definitive diagnosis in a patient with suspected brain death?
- (A) Absent bilateral somatosensory evoked potentials
- (B) Absent cerebral blood flow during four-vessel contrast cerebral arteriography
- (C) Intracranial pressure greater than mean arterial pressure
- (D) Score of zero on Glasgow Coma Scale
- (E) Two isoelectric electroencephalograms
Each of the following conditions is a cause of agitation in a patient following transurethral resection of the prostate EXCEPT
- (A) bladder distention
- (B) glycine absorption
- (C) inadequate analgesia
- (D) serum sodium concentration of 127 mEq/L
- (E) systolic pressure of 60 mmHg
A 2-year-old child has cardiac arrest during an inguinal herniorrhaphy under general anesthesia administered during a Jackson-Rees system. The graph shows end-tidal PCO2 monitored from the tip of the endotracheal tube during cardiopulmonary resuscitation; minute ventilation is unchanged. Which of the following is the most likely cause of the change beginning at the arrow?
- (A) Decreased fresh gas flow
- (B) Inadequate chest compression
- (C) Increased dead space
- (D) Restoration of cardiac output
- (E) Sampling artifact