Anesthesia Hub -

10 Random Questions

A patient who is paraplegic secondary to spinal cord transection at T3 develops bradycardia and facial flushing during a nephrectomy under general anesthesia with nitrous oxide, fentanyl, and atracurium. The most likely cause of this response is

(A) release of histamine
(B) stimulation of the carotid sinus
(C) release of prostaglandins
(D) vagal response to peritoneal traction
(E) release of epinephrine

ADVANCED General

Transcutaneous electrical nerve stimulation is LEAST likely to be effective in which of the following pain syndromes?

(A) Acute postoperative pain
(B) Chronic pancreatitis
(C) Myofascial syndrome
(D) Phantom limb pain
(E) Reflex sympathetic dystrophy

ADVANCED Regional & Pain

Which of the following differentiates midazolam from diazepam administered intravenously in equipotent doses?

(A) Greater hemodynamic stability
(B) Lack of active metabolites
(C) Less respiratory depression
(D) Longer duration of action
(E) More rapid onset

At a body temperature of 30°C, resistance to blood flow increases because of

(A) increased hematocrit
(B) increased plasma fibrinogen concentration
(C) increased viscosity of blood
(D) rouleaux formation of red blood cells
(E) sequestration of platelets in portal circulation

ADVANCED General

A single dose of etomidate for induction of anesthesia will cause

(A) adrenal cortical suppression
(B) decreased skeletal muscle tone
(C) hypotension
(D) increased airway reactivity
(E) tachycardia

BASIC Pharmacology & Pharmacokinetics

A parturient receives ketamine 2 mg/kg and succinylcholine 1.5 mg/kg for induction prior to elective cesarean delivery. Which of the following is most likely to be present in the newborn infant?

(A) Normal muscle tone
(B) Bradycardia
(C) Opisthotonos
(D) Respiratory depression
(E) Seizures

ADVANCED Pediatric OB

Physiologically, coronary blood flow relates most directly to

(A) cardiac work
(B) systolic blood pressure
(C) myocardial oxygen consumption
(D) heart rate
(E) mean arterial pressure

BASIC Cardiac

When inspired anesthetic gases are humidified

(A) most particles 1 to 2 microns in size are deposited in the trachea
(B) respiratory epithelial cilia become less active
(C) alveolar water vapor pressure is unchanged
(D) respiratory heat loss is abolished
(E) sterilization of breathing apparatus is mandatory

Each of the following is an adverse effect of intranasal administration of cocaine prior to nasotracheal intubation EXCEPT

(A) complete heart block
(B) hypertension
(C) myocardial ischemia
(D) seizures
(E) ventricular tachycardia

The following changes occur during posterior cervical fusion in the prone position under halothane and nitrous oxide anesthesia with mechanical ventilation: HR 78 --> 84 with frequent PVCs; BP 110/70 --> 90/50; EtCO2 4.5% --> 2.0%; EtN2 0.12% --> 4% The most appropriate next step is to

(A) administer lidocaine intravenously
(B) decrease ventilatory rate
(C) discontinue halothane
(D) lower the patient's head
(E) inspect the ventilator bellows

ADVANCED Neuro