10 Random Questions
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
During attempted awake intubation, the patient gags when the laryngoscope presses on the base of the tongue. Which of the following cranial nerves is responsible for the afferent limb of this reflex?
- (A) Trigeminal
- (B) Facial
- (C) Glossopharyngeal
- (D) Vagus
- (E) Hypoglossal
Each of the following affects the induction dose of thiopental EXCEPT
- (A) acute ethanol intoxication
- (B) chronic use of barbiturates
- (C) intravascular volume
- (D) rate of hepatic extraction of thiopental
- (E) serum albumin concentration
Acute epiglottitis usually
- (A) requires a lateral radiograph of the neck for diagnosis
- (B) occurs in children 2 to 4 years of age
- (C) is treated effectively with racemic epinephrine
- (D) has a viral etiology
- (E) requires immediate awake intubation by direct laryngoscopy in the emergency department
Coughing that occurs during awake intubation is prevented by local anesthetic block of which of the following nerves?
- (A) Glossopharyngeal
- (B) Hypoglossal
- (C) Recurrent laryngeal and glossopharyngeal
- (D) Recurrent laryngeal and superior laryngeal
- (E) Superior laryngeal and glossopharyngeal
After administration of a single dose of vecuronium, function returns last to which of the following muscles?
- (A) Adductor pollicis
- (B) Diaphragm
- (C) Laryngeal muscles
- (D) Orbicularis oculi
- (E) Rectus abdominis
Compared with thiopental, methohexital is characterized by
- (A) better absorption after rectal administration
- (B) greater protein binding
- (C) greater hepatic clearance
- (D) larger volume of distribution
- (E) more complete biotransformation
The cardiac rhythm illustrated appeared suddenly in an anesthetized patient. The most appropriate management is
- (A) administration of adenosine
- (B) administration of digoxin
- (C) administration of epinepherine
- (D) overdrive pacing
- (E) synchronous cardioversion
A 30-year-old woman develops urticaria immediately after administration of 2% 2-chloroprocaine for removal of a nevus on the chest wall. This reaction resolves with administration of diphenhydramine and the surgery is rescheduled. During the second procedure, a field block is performed using 10 ml of 1% lidocaine from a multidose vial. Within 10 minutes the patient develops urticaria and wheezing and has difficulty breathing. These symptoms resolve with administration of epinephrine. Which of the following substances is the most likely cause of these reactions?
- (A) A paraben derivative
- (B) Povidone-iodine
- (C) Ethylenediaminetetraacetic acid (EDTA)
- (D) Propylene glycol
- (E) Sodium bisulfite
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