10 Random Questions
The patient at LEAST risk of pulmonary aspiration of gastric contents during induction of anesthesia is
- (A) markedly obese and NPO for eight hours
- (B) fed black coffee four hours before elective surgery
- (C) scheduled for elective cesarean delivery and NPO for 20 hours
- (D) NPO for four hours after a full meal
- (E) scheduled for elective repair of a hiatus hernia
A patient has tonic movements of the head and neck, nystagmus, and slurred speech after receiving metoclopramide for nausea after nitrous oxide-opioid anesthesia. The most appropriate pharmacologic treatment is
- (A) diphenhydramine
- (B) midazolam
- (C) naloxone
- (D) phenytoin
- (E) physostigmine
Which of the following chemotherapeutic drugs is a cause of pulmonary fibrosis?
- (A) Bleomycin
- (B) Cisplatin
- (C) Cyclosporine
- (D) Daunorubicin
- (E) Vincristine
A 75-year-old man received an uneventful epidural anesthetic for total knee arthroplasty. Twenty-four hours later he has a painless flaccid paralysis in both legs. This clinical presentation is most consistent with
- (A) adhesive arachnoiditis
- (B) anterior spinal artery thrombosis
- (C) epidural abscess
- (D) epidural hematoma
- (E) transverse myelitis
A patient has palpitations, flushing, and light-headedness after gingival injection of a local anesthetic. This reaction is most likely caused by
- (A) epinephrine in the local anesthetic
- (B) local anesthetic allergy
- (C) para-aminobenzoic acid allergy
- (D) methylparaben reaction
- (E) vasovagal reaction
Alveolar partial pressure of an inhaled anesthetic rises more rapidly in a parturient at term than in a nonpregnant woman because
- (A) functional residual capacity is decreased
- (B) PaC02 is decreased
- (C) uptake of inhaled agents by tissues is decreased
- (D) cardiac output is increased
- (E) physiologic dead space is increased
A patient with hypokalemic familial periodic paralysis develops weakness of skeletal muscles at the end of an emergency appendectomy under spinal anesthesia. If the weakness is a result of the familial periodic paralysis, which of the following statements is true?
- (A) Bicarbonate therapy is indicated
- (B) Cardiac dysrhythmias are unlikely
- (C) Initial treatment is intravenous edrophonium
- (D) Potassium infusion is contraindicated
- (E) The paralysis spares the diaphragm
The left ventricular function curve is from a young, healthy patient. If X represents the patient's myocardial function prior to anesthesia, the effect of 1 MAC of isoflurane at normocarbia is best represented by which of the following positions?
- (A) A
- (B) B
- (C) C
- (D) D
- (E) E
A 14-year-old girl with status asthmaticus is receiving oxygen 3 L/min through nasal prongs. Heart rate is 110 bpm. Arterial blood gas values are PaO2 90 mmHg, PaCO2 32 mmHg, and pH 7.46. If ventilation appears unchanged, which of the following is the most reliable sign of impending respiratory failure?
- (A) PaO2 of 80 mmHg
- (B) PaCO2 of 39 mmHg
- (C) Heart rate of 140 bpm
- (D) Increased wheezing
- (E) Deterioration of mental status
In a patient who has undergone cholecystectomy, which of the following is the most likely pulmonary effect of systemically administered opioids?
- (A) Decreased Qs/Qt
- (B) Decreased dead space
- (C) Restored vital capacity
- (D) Restored functional residual capacity
- (E) Shift of the carbon dioxide response curve to the right