10 Random Questions
The illustration depicts flow-volume loops for the same person at two different times in his life. Which of the following is indicated by the dotted loop?
- (A) Bronchial tumor
- (B) Chronic asthmatic bronchitis
- (C) Morbid obesity
- (D) Paralysis of a vocal cord
- (E) Subglottic stenosis
A patient is in sinus rhythm but has no pulse during cardiopulmonary resuscitation. There is marked resistance to positive pressure ventilation and breath sounds are difficult to hear bilaterally. The endotracheal tube is clearly in the trachea. The most appropriate next step in management is to
- (A) administer isoetharine by inhalation
- (B) apply electrical countershock
- (C) insert needles in the left and right chest
- (D) order a roentgenogram of the chest
- (E) start an infusion of aminophylline
A 30-year-old man has had burning pain, allodynia, and edema of the hand for six weeks after sustaining a forearm fracture. Appropriate treatment includes each of the following EXCEPT
- (A) physical therapy, employing stress loading
- (B) oral prazosin
- (C) intravenous regional sympathetic block with guanethidine
- (D) stellate ganglion block with 6% phenol
- (E) transcutaneous electrical nerve stimulation
A 22-year-old woman with severe preeclampsia vaginally delivers a 3-kg infant after 12 hours of treatment with magnesium sulfate and continuous epidural infusion of bupivacaine 0.0625% and fentanyl 1 mcg/ml at 10 ml/hr. The infant is pink and hypotonic; heart rate is 110 bpm and blood pressure is 35/25 mmHg. Which of the following is the most appropriate initial management of the infant?
- (A) 10% Dextrose in water
- (B) Calcium gluconate
- (C) Epinephrine
- (D) Naloxone
- (E) Intubation and ventilation
Preoperative evaluation shows a serum sodium concentration of 140 mEq/L, serum chloride concentration of 90 mEq/L, PaCO2 of 46 mmHg, and arterial pH of 7.50. These findings are most indicative of prior treatment with
- (A) acetazolamide
- (B) enalapril
- (C) furosemide
- (D) mannitol
- (E) spironolactone
Which of the following findings on the left is most likely to be associated with an increased risk of complications with cannulation of the left internal jugular vein compared with cannulation of the right internal jugular vein?
- (A) Longer recurrent laryngeal nerve
- (B) Lower location of the cupola of the pleura
- (C) More acute angle between the internal jugular and innominate veins
- (D) More anterior location of the phrenic nerve
- (E) Presence of the thoracic duct
Mismatching of ventilation to perfusion in the lung is greatest in which of the following situations?
- (A) Awake patient, spontaneous ventilation, lateral decubitus position
- (B) Anesthetized patient, controlled ventilation, supine position
- (C) Anesthetized patient, controlled ventilation, lateral decubitus position
- (D) Anesthetized patient, controlled ventilation, sitting position
- (E) Anesthetized patient, spontaneous ventilation, prone position
A successful celiac plexus block can be expected to
- (A) block parasympathetic fibers to the adrenal medulla
- (B) block sympathetic fibers to the sigmoid colon
- (C) block somatic fibers to the pancreas
- (D) enhance peristalsis
- (E) inhibit ejaculation
A 62-year-old man is scheduled for coronary artery bypass grafting. During induction of anesthesia with fentanyl, high peak inspiratory pressures occur with manual ventilation, and peripheral oxygen saturation decreases from 100% to 94%. The most appropriate management is administration of
- (A) albuterol
- (B) isoflurane
- (C) midazolam
- (D) nitroglycerin
- (E) succinylcholine
Which of the following findings is most likely in an 85-kg 30-year-old man who is breathing spontaneously through 6-mm endotracheal tube?
- (A) Decreased PetCO2
- (B) Decreased SpO2
- (C) Increased minute ventilation
- (D) Increased respiratory rate
- (E) Increased tidal volume