Anesthesia Hub -

10 Random Questions

Each of the following is an effect of electroconvulsive therapy EXCEPT

(A) increased intracranial blood volume
(B) increased oxygen consumption
(C) inhibition of parasympathetic activity
(D) retrograde amnesia
(E) stimulation of the sympathetic nervous system

ADVANCED General

A 26-year-old woman has weakness on extension of the right knee one day after uneventful vaginal delivery under spinal anesthesia with lidocaine. The most likely cause is

(A) femoral nerve injury from thigh abduction
(B) obturator nerve injury from obstetric forceps
(C) peroneal nerve compression from the leg support
(D) saphenous nerve injury from the stirrups
(E) chemical arachnoiditis following the spinal anesthetic

Which of the following should be included in the preoperative management of a 12-year-old patient with Duchenne muscular dystrophy who is unable to ambulate?

(A) Determination of serum creatine kinase concentration
(B) Determination of serum potassium concentration
(C) Liver function profile
(D) Echocardiography
(E) Dantrolene prophylaxis

ADVANCED Pediatric

Metoclopramide

(A) decreases gastric acid secretion
(B) decreases gastroesophageal sphincter tone
(C) is contraindicated in patients with Parkinson's disease
(D) is most effective when administered in combination with atropine
(E) requires an intact vagus nerve for gastrointestinal effects

ADVANCED Pharmacology & Pharmacokinetics

Which of the effects of epidural morphine is most resistant to intravenous naloxone?

(A) Analgesia
(B) Nausea
(C) Pruritus
(D) Respiratory depression
(E) Urinary retention

BASIC Pharmacology & Pharmacokinetics

A 10-week-old infant born at 28 weeks gestation is scheduled for elective repair of bilateral inguinal hernias. It is most appropriate to

(A) delay the operation until the infant is 6 months old
(B) transfuse blood preoperatively if hemoglobin concentration is 9 g/dl
(C) avoid tracheal intubation
(D) limit inspired oxygen concentration to less than 50%
(E) monitor for apnea for 24 hours postoperatively

ADVANCED Pediatric

In patients homozygous for atypical pseudocholinesterase, which of the following best explains the prolonged action of succinylcholine?

(A) An increased proportion of the dose reaches the neuromuscular junction
(B) Diffusion away from the neuromuscular junction is slowed
(C) Hepatic clearance of succinylcholine is decreased
(D) Prejunctional activity is unopposed
(E) Succinylmonocholine induces neuromuscular block

During enflurane anesthesia for colectomy in a 75-year-old man with sepsis, urine output decreases to 10 ml/hr. Heart rate is 120 bpm, blood pressure is 100/50 mmHg, central venous pressure is 10 mmHg, and pulmonary artery occlusion pressure is 15 mmHg. The most appropriate management at this time is to

(A) measure cardiac output
(B) increase fluid administration
(C) infuse dopamine
(D) administer propranolol
(E) switch from enflurane to isoflurane

ADVANCED General

During anesthesia with nitrous oxide 65% in oxygen, fentanyl, and pancuronium, nitroprusside is administered to decrease arterial pressure to 85/50 mmHg. A decrease in PaO2 from 120 to 65 mmHg is most likely caused by

(A) cyanide toxicity
(B) depressed cardiac output
(C) mild hypercarbia
(D) metabolic acidosis
(E) pulmonary vasodilation

BASIC Pharmacology & Pharmacokinetics

Which of the following is most responsible for the duration of action of local anesthetics?

(A) Concentration
(B) Metabolism
(C) Molecular weight
(D) Tissue protein binding
(E) Volume injected

BASIC Pharmacology & Pharmacokinetics Regional & Pain