Anesthesia Hub -

10 Random Questions

In the supraclavicular region, the brachial plexus

(A) is anterior to the apex of the pleura
(B) is anterior to the subclavian artery
(C) is posterior to the medial scalene muscle
(D) is enclosed in a sheath with the subclavian vein
(E) no longer contains fibers from the Tl nerve root

Which of the following is the most appropriate drug to treat hypotension in patients with asymmetric septal hypertrophy (IHSS)?

(A) Amrinone
(B) Calcium chloride
(C) Dopamine
(D) Ephedrine
(E) Phenylephrine

ADVANCED Cardiac

A 26-year-old man is in the ICU one hour after sustaining a displaced cervical fracture at the level of C7-8 in a diving accident. Each of the following findings is consistent with this patient's injury EXCEPT

(A) bilateral paralysis of the vocal cord adductors
(B) gastric dilatation
(C) hypotension without tachycardia
(D) inward movement of the chest with inspiration
(E) normal tidal volume

Which of the following is a side effect of beta-adrenergic blockade?

(A) Cerebral vasodilation
(B) Decreased left ventricular filling pressures
(C) Hypokalemia
(D) Increased airway resistance
(E) Uterine relaxation

BASIC Pharmacology & Pharmacokinetics

In a patient taking a beta-adrenergic blocker, the drug most likely to produce atrioventricular junctional block is

(A) diltiazem
(B) fentanyl
(C) halothane
(D) nifedipine
(E) verapamil

BASIC Pharmacology & Pharmacokinetics

With respect to mechanical ventilation, which of the following statements concerning the portion of tidal volume known as compression volume is true?

(A) It is calculated by dividing the volume of gas delivered to the patient by the peak pressure
(B) It does not contribute to the volume of gas entering the patient
(C) It is not included in the volume measured by a spirometer on the inspiratory limb
(D) It decreases with the addition of a humidifier to the breathing circuit
(E) It decreases with the addition of one-way valves at the Y connector of the breathing circuit

BASIC Equipment & Physics

A 20-year-old patient undergoes a thoracic vertebral stabilization procedure six hours after sustaining an acute transection of the spinal cord at T4. The risks of general anesthesia are greater in this patient than in a patient with an intact spinal cord because of

(A) autonomic hyperreflexia
(B) increased sensitivity to vasoconstrictor agents
(C) increased venous capacitance
(D) interruption of cardiac sympathetic reflexes
(E) hyperkalemia induced by succinylcholine

Five hours after intramuscular administration of morphine 15 mg to a healthy 80-kg man, residual effects are best demonstrated by measuring the

(A) resting tidal volume
(B) resting PaC02
(C) functional residual capacity
(D) ventilatory response to rebreathing
(E) alveolar ventilation

Which of the following statements concerning use of amitriptyline to treat chronic pain is true?

(A) It acts primarily via opioid receptors
(B) It increases serotonin levels in the brain
(C) It is rarely effective for postherpetic neuralgia
(D) Onset of action occurs after four to six weeks of treatment
(E) Response depends on reversal of depression

ADVANCED Regional & Pain

As part of a preoperative evaluation, a patient had a thallium scan showing a 'cold spot' over the left ventricle that occurs with moderate exercise and disappears at rest. This most likely indicates

(A) moderate-sized aneurysm of the left ventricle
(B) acute myocardial ischemia
(C) recent myocardial infarction
(D) old myocardial infarction
(E) Prinzmetal's variant angina

BASIC General Cardiac