10 Random Questions
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 who is scheduled for a parathyroidectomy for a parathyroid adenoma has a preoperative serum calcium concentration of 13.5 mg/dl. The ECG shows no acute changes. The most appropriate preoperative management is administration of
- (A) calcitonin
- (B) hydrocortisone
- (C) intravenous saline solution
- (D) mannitol
- (E) potassium phosphate
Following paravertebral blocks of the second through fifth intercostal nerves, numbness is noted on the medial aspect of the ipsilateral arm. The most likely cause is
- (A) anesthesia of the intercostobrachial nerve
- (B) anxiety-induced hyperventilation
- (C) injection into a dural cuff
- (D) intravascular injection of local anesthetic
- (E) partial block of the brachial plexus
A 65-year-old man undergoes prostatectomy in the lithotomy position under spinal anesthesia using bupivacaine 12 mg. Ten hours later, he reports that his left foot is numb. Examination shows decreased pinprick sensation over the lateral dorsal aspect of the left foot; dorsiflexion is limited. Which of the following is the most likely cause?
- (A) Cauda equina syndrome
- (B) Compression of the common peroneal nerve
- (C) Compression of the posterior tibial nerve
- (D) L5 nerve root damage
- (E) Stretching of the sciatic nerve
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
The initial reduction in core temperature during general anesthesia is caused by
- (A) ablation of thermoregulatory vasoconstriction
- (B) conductive heat loss
- (C) evaporative heat loss in the respiratory tract
- (D) neuromuscular blockade
- (E) redistribution of heat from the core to the periphery
Each of the following is a complication of stellate ganglion block EXCEPT
- (A) brachial plexus block
- (B) diplopia
- (C) local anesthetic-induced seizure
- (D) recurrent laryngeal nerve palsy
- (E) subarachnoid block
A bilateral superior laryngeal nerve block performed to facilitate fiberoptic intubation will provide anesthesia of the
- (A) base of the tongue
- (B) larynx above the vocal cords
- (C) superior surface of the epiglottis
- (D) tonsillar pillars
- (E) upper trachea
Compared with fentanyl, alfentanil is characterized by
- (A) greater volume of distribution
- (B) greater lipid solubility
- (C) less protein binding
- (D) faster redistribution
- (E) longer terminal elimination phase
Which of the following parts of the infant's airway determines the appropriate diameter of a nasotracheal tube?
- (A) Nares
- (B) Glottis
- (C) Vocal cords
- (D) Cricoid cartilage
- (E) Third tracheal ring