10 Random Questions
The principal rationale for the use of warmed humidified inspired anesthetic gases in children is to
- (A) decrease postoperative respiratory complications
- (B) decrease postoperative shivering
- (C) preserve ciliary function
- (D) prevent dehydration
- (E) prevent evaporative heat loss
ADVANCED
Equipment & Physics
Pediatric
If a patient with excessive bleeding during exploratory laparotomy has a normal activated clotting time, the LEAST likely cause of the bleeding is
- (A) antithrombin III deficiency
- (B) dilutional thrombocytopenia
- (C) fibrinolysis
- (D) administration of heparin 5000 units
- (E) preoperative ingestion of aspirin
ADVANCED
Cardiac
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
BASIC
Regional & Pain
Which of the following drugs best facilitates management of cerebral vasospasm after subarachnoid hemorrhage?
- (A) Nifedipine
- (B) Nimodipine
- (C) Nitroglycerin
- (D) Nitroprusside
- (E) Thiopental
ADVANCED
Neuro
Which the following findings is most hazardous in premature infants?
- (A) Hematocrit of 55%
- (B) Rectal temperature of 35 degrees C
- (C) Umbilical arterial blood PO2 of 50 mmHg
- (D) Umbilical arterial blood PCO2 of 45 mmHg
- (E) Umbilical arterial systolic pressure of 60 mmHg
ADVANCED
Pediatric
Which of the following is the primary factor regulating normal coronary blood flow?
- (A) Aortic diastolic pressure
- (B) Coronary perfusion pressure
- (C) Heart rate
- (D) Myocardial oxygen consumption
- (E) Systolic wall tension
BASIC
Cardiac
When compared with diazepam, midazolam
- (A) metabolites contribute more significantly to the sedative effect
- (B) elimination is less dependent on hepatic metabolism
- (C) has more predictable action after intramuscular administration
- (D) produces less respiratory depression
- (E) produces less hypotension during induction of anesthesia with opioids
The increased resistance of severely burned patients to pancuronium is primarily due to
- (A) enhanced urinary excretion of pancuronium
- (B) decreased number of presynaptic cholinergic receptors
- (C) increased number of postsynaptic cholinergic receptors
- (D) increased rate of metabolism of pancuronium
- (E) increased volume of distribution of pancuronium
Which of the following statements concerning intercostal nerve block for postoperative pain is true?
- (A) Block at the midaxillary line provides analgesia for the anterior and lateral abdominal walls
- (B) Blood levels of local anesthetic are higher than after an axillary block
- (C) Intravascular injection is unlikely
- (D) Loss of resistance assures proper needle placement
- (E) Paravertebral spread is prevented by adding epinephrine to the local anesthetic solution
ADVANCED
Regional & Pain
A celiac plexus block provides effective relief of pain associated with primary cancers at each of the following locations EXCEPT the
- (A) adrenal gland
- (B) liver
- (C) pancreas
- (D) sigmoid colon
- (E) stomach
ADVANCED
Regional & Pain