Anesthesia Hub -

10 Random Questions

Thirty-six hours after primary repair of meningomyelocele, a term newborn has frequent periods of apnea lasting 25 seconds and associated with oxygen desaturation to 80%. The most likely explanation is

(A) hyperglycemia
(B) loss of cerebrospinal fluid
(C) obstructive hydrocephalus
(D) residual anesthetic effect
(E) normal postoperative events

ADVANCED Pediatric

Five minutes after intrathecal administration of tetracaine 12 mg in hyperbaric solution, a 60-year-old man has a weak hand grasp. Respirations are normal, heart rate has decreased from 80 to 45 bpm, and blood pressure has decreased from 150/80 to 90/50 mmHg. The most appropriate management at this time is

(A) administration of atropine
(B) administration of ephedrine
(C) administration of phenylephrine
(D) placement of the patient in the head-down position
(E) observation

ADVANCED Regional & Pain

Phantom limb pain is an example of which of the following types of pain?

(A) Central pain
(B) Nociceptive pain
(C) Psychosomatic pain
(D) Sympathetically mediated pain
(E) Vasospastic pain

Which of the following attenuates the most common cardiovascular side effect of protamine administration?

(A) Pretreatment with a diuretic
(B) Pretreatment with a prostaglandin inhibitor
(C) Pretreatment with a pulmonary vasodilator
(D) Injection via the distal lumen of the pulmonary artery catheter
(E) Slow peripheral intravenous injection

Which of the following statements concerning banked blood is true?

(A) Red blood cells preserved with CPDA-1 have a shelf life of approximately 21 days
(B) Packed red blood cells deliver oxygen normally immediately after administration
(C) Packed red blood cells contain most of the leukocytes present in the donated unit
(D) Citrate is used as a source of energy for whole blood
(E) Stored whole blood contains all coagulation factors except II and VIII

BASIC Transfusions & Fluids

A 60-year-old man undergoes transurethral resection of a bladder tumor in the lithotomy position with spinal anesthesia. During the procedure the surgeon reports that the patient's right leg is "jumping." This movement is most likely caused by stimulation of which of the following nerves?

(A) Femoral
(B) Lateral femoral cutaneous
(C) Obturator
(D) Pudendal
(E) Sciatic

BASIC Regional & Pain

Which of the following statements concerning isolated mitral stenosis is true?

(A) Afterload reduction increases cardiac output
(B) Pulmonary artery occlusion pressure overestimates left ventricular filling pressure
(C) Pulmonary hypertension is irreversible
(D) Tachycardia decreases the mitral transvalvular gradient
(E) Thermodilution cardiac output measurements are unreliable

ADVANCED Cardiac

The need for increased doses of nondepolarizing muscle relaxants in patients with extensive burns is best explained by

(A) increased protein binding
(B) hypermetabolism
(C) increased glomerular filtration rate
(D) proliferation of receptors on burned muscle
(E) decreased volume of distribution

BASIC Pharmacology & Pharmacokinetics

Mivacurium-induced neuromuscular blockade is prolonged for the greatest period of time in patients who have which of the following conditions?

(A) Ethanol-induced hepatitis
(B) Hemiplegia
(C) Pseudocholinesterase deficiency
(D) Renal insufficiency
(E) Thermal burns

BASIC Pharmacology & Pharmacokinetics

A 48-year-old woman with von Willebrand's disease is scheduled for a hysterectomy. The most appropriate initial preoperative therapy to decrease bleeding is administration of

(A) cryoprecipitate
(B) desmopressin (DDAVP)
(C) fresh frozen plasma
(D) platelets
(E) vitamin K

BASIC Transfusions & Fluids General