10 Random Questions
Static lung compliance is decreased by each of the following EXCEPT
- (A) pulmonary emphysema
- (B) congestive heart failure
- (C) adult respiratory distress syndrome
- (D) pulmonary fibrosis
- (E) inhalation anesthesia
A sensory level of T2 is achieved after administration of spinal anesthesia. Which of the following lung volumes is LEAST likely to be affected?
- (A) Expiratory reserve volume
- (B) Inspiratory reserve volume
- (C) Inspiratory capacity
- (D) Tidal volume
- (E) Vital capacity
A 26-year-old man is in the ICU one hour after sustaining a displaced cervical fracture at the level of C7-8 in a diving accident. Each of the following findings is consistent with this patient's injury EXCEPT
- (A) bilateral paralysis of the vocal cord adductors
- (B) gastric dilatation
- (C) hypotension without tachycardia
- (D) inward movement of the chest with inspiration
- (E) normal tidal volume
Which of the following effects of catecholamine results in the greatest increase in preload?
- (A) Augmented contractility
- (B) Decreased afterload
- (C) Decreased venous capacitance
- (D) Improved chronotropism
- (E) Increased cardiac output
A patient receives remifentanil 25 mcg just before retrobulbar block with 0.25% bupivacaine 4 mL. Over the next 10 minutes, he develops apnea and loses consciousness. Which of the following is the most likely explanation?
- (A) Effects of remifentanil
- (B) Injection of local anesthetic into cerebrospinal fluid
- (C) Intravascular injection of local anesthetic
- (D) Oculocardiac reflex
- (E) Systemic absorption of local anesthetic
The ECG rhythm shown developed during cholecystectomy in a 62-year-old man who had a myocardial infarction and is taking atenolol. The drug of choice for treating this dysrhythmia is
- (A) atropine
- (B) bretylium
- (C) isoproterenol
- (D) lidocaine
- (E) procainamide
Which of the following drugs increases gastric pH while decreasing gastric volume?
- (A) Glycopyrrolate
- (B) Magnesium trisilicate
- (C) Metoclopramide
- (D) Ranitidine
- (E) Sodium citrate
A patient being mechanically ventilated in the ICU requires wound debridement twice daily. Each of the following agents would be appropriate for induction of brief general anesthesia EXCEPT
- (A) nitrous oxide
- (B) etomidate
- (C) ketamine
- (D) methohexital
- (E) midazolam
During application of continuous positive airway pressure, lung compliance increases because of
- (A) decreased airway resistance
- (B) decreased lung water
- (C) decreased venous return
- (D) increased intercostal muscle tone
- (E) increased resting lung volume
Which of the following statements concerning absorption of irrigation fluid during transurethral resection of the prostate is true?
- (A) Hydrostatic pressure has minimal effect on the amount of fluid absorbed
- (B) Typically 10 to 30 ml of fluid per minute are absorbed
- (C) Use of iso-osmotic solutions decreases the risk of hyponatremia
- (D) CNS complications are independent of the type of fluid used
- (E) Spinal anesthesia to T6 will mask the symptoms of overhydration