Anesthesia Hub -

10 Random Questions

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

Which of the following is the most likely adverse effect of prolonged intravenous administration of nitroglycerin?

(A) Cyanmethemoglobinemia
(B) Hemolysis
(C) Methemoglobinemia
(D) Neutropenia
(E) Thrombocytopenia

The best indication that a patient is ready for discharge from an outpatient facility after spinal anesthesia is return of

(A) pinprick sensation to the S4-5 dermatome
(B) micturition
(C) plantar flexion
(D) proprioception of the big toe
(E) knee extension

Four hours after open cholecystectomy, a patient who is breathing spontaneously has an SpO2 of 93% in the supine position and an SpO2 of 98% when placed in the head-up position. The most likely cause of this change is an increase in which of the following?

(A) Functional residual capacity
(B) Minute ventilation
(C) Pulmonary blood flow
(D) Residual volume
(E) Vital capacity

BASIC Respiratory & Critical Care

The primary purpose of denitrogenation prior to anesthetic induction is to

(A) blunt hypoxic pulmonary vasoconstriction
(B) improve ventilation and perfusion matching
(C) increase contribution of second gas effect to rate of induction
(D) increase oxygen reserve in the functional residual capacity
(E) maximize arterial oxygen content

BASIC Respiratory & Critical Care General

A delay in surgery for 24 to 48 hours for preoperative stabilization and preparation is acceptable in each of the following neonatal conditions EXCEPT

(A) biliary atresia
(B) diaphragmatic hernia
(C) meningomyelocele
(D) pyloric stenosis
(E) tracheoesophageal fistula

ADVANCED Pediatric

Which of the following statements concerning anesthetic management for MRIs is true?

(A) ECG wires are associated with patient burns
(B) Mechanical ventilation of the lungs is not feasible
(C) Monitors with ferromagnetic components may be used
(D) Oxygen analysis of inspired gas is inaccurate
(E) Pulse oximetry is not reliable near the MR scanner

Which of the following is LEAST likely to decrease myocardial oxygen supply?

(A) Administration of enflurane
(B) Epidural anesthesia to a sensory level of T6
(C) Increased pulmonary artery occlusion pressure
(D) Hypocarbia (PaCO, 25 mmHg)
(E) Metabolic acidosis (pH 7.20)

Immediately after a retrobulbar block for cataract surgery, the eye grossly protrudes and the patient has the sensation of pressure in the eye. The most appropriate initial intervention is

(A) hyperventilation
(B) surgical drainage of a hematoma
(C) manual compression of the globe
(D) administration of atropine intravenously
(E) administration of mannitol intravenously

ADVANCED Regional & Pain

Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with

(A) acute myocardial ischemia
(B) aortic insufficiency
(C) mitral stenosis
(D) primary pulmonary hypertension
(E) tricuspid stenosis

ADVANCED Cardiac