Anesthesia Hub -

10 Random Questions

The effect of neomycin at the neuromuscular junction is

(A) decreased by depolarizing relaxants
(B) partially reversed by calcium
(C) potentiated by anticholinesterases
(D) prevented by pretreatment with magnesium
(E) primarily prejunctional

ADVANCED Pharmacology & Pharmacokinetics

A 16-year-old child has an arterial catheter inserted prior to a potentially difficult intubation for a craniofacial operation. While awake and breathing room air, arterial blood gas values are: PaO2 134 mm Hg, PaCO2 28 mm Hg, and pH 7.45. These values can be explained by

(A) excess heparin mixed with the arterial sample
(B) a patient core temperature of 38°C
(C) excess air entrained in the syringe during sampling
(D) storing the sample at room temperature for 15 minutes before processing
(E) anxiety and hyperventilation

BASIC Equipment & Physics

A patient receives an emergency transfusion of three units of O, Rh-negative blood for profuse hemorrhaging. If his blood type is AB, Rh-negative, which of the following is most appropriate for continuing transfusion?

(A) AB, Rh-negative whole blood
(B) B, Rh-negative whole blood
(C) O, Rh-negative whole blood
(D) A, Rh-negative erythrocytes
(E) O, Rh-negative erythrocytes

BASIC Transfusions & Fluids

Neostigmine administered intravenously without atropine can produce each of the following EXCEPT

(A) arousal
(B) bradycardia
(C) bronchoconstriction
(D) increased gastric motility
(E) increased urinary bladder tone

BASIC Pharmacology & Pharmacokinetics

Prilocaine is NOT recommended for obstetric regional anesthesia because it

(A) causes fetal methemoglobinemia
(B) has a very short duration of action
(C) is not metabolized by the newborn
(D) is the most toxic of the amide local anesthetics
(E) produces a longer motor block than sensory block

ADVANCED Pharmacology & Pharmacokinetics OB

An elderly man has an acute dissection of the descending thoracic aorta. Which of the following antihypertensive therapies is most likely to extend the dissection?

(A) Esmolol infusion
(B) Nitroglycerin infusion
(C) Nitroprusside infusion
(D) Nitroprusside infusion combined with a beta-adrenergic blocker
(E) Trimethaphan infusion

ADVANCED General

Compared with adults, neonates are more likely to become hypoxemic following anesthesia and extubation because of a relatively

(A) higher rate of oxygen consumption
(B) greater sensitivity to neuromuscular blockade
(C) larger Vd/Vt ratio
(D) lower blood pressure
(E) smaller functional residual capacity

ADVANCED Pediatric

Deliberate hypothermia and circulatory arrest is planned for clipping of a giant basilar artery aneurysm. Which of the following statements is true?

(A) Administration of a muscle relaxant slows the cooling process
(B) Anesthesia is not required if body temperature is below 31°C
(C) Decreasing body temperature below the level at which the EEG is isoelectric further decreases cerebral metabolic rate for oxygen
(D) Sinus bradycardia during cooling results from increased intracranial pressure
(E) T-wave inversion during cooling indicates myocardial ischemia

ADVANCED Neuro

Coughing that occurs during awake intubation is prevented by local anesthetic block of which of the following nerves?

(A) Glossopharyngeal
(B) Hypoglossal
(C) Recurrent laryngeal and glossopharyngeal
(D) Recurrent laryngeal and superior laryngeal
(E) Superior laryngeal and glossopharyngeal

ADVANCED Regional & Pain

A 14-month-old child has tetralogy of Fallot with dynamic obstruction to right ventricular outflow. Which of the following is most likely to decrease cyanosis in this child?

(A) Calcium
(B) Epinephrine
(C) Nitroglycerin
(D) Nitroprusside
(E) Propranolol

ADVANCED Pediatric Cardiac