A 25-year-old woman is receiving magnesium sulfate for eclampsia at 36 weeks' gestation. Each of the following is a maternal effect of this treatment EXCEPT
(A) sedation
(B) sensitization to depolarizing muscle relaxants
(C) sensitization to nondepolarizing muscle relaxants
(D) decreased uterine blood flow
(E) loss of deep tendon reflexes prior to significant cardiac dysfunction
D
Which of the following increases blood flow to the lower lobe of the right lung?
(A) Collapsing the right lung during anesthesia
(B) The expiratory phase of spontaneous ventilation
(C) The inspiratory phase of mechanical ventilation
(D) Moving from the supine to the upright position
(E) Moving from the supine to the left lateral decubitus position
C
Which of the following neural functions demonstrates the highest segmental block after spinal anesthesia?
A 30-year-old woman has an abrupt change from sinus to nodal rhythm with unchanged heart rate on ECG during induction of halothane anesthesia. Which of the following is the most likely result of this change?
Each of the following would slow induction with a volatile anesthetic agent EXCEPT
(A) hypoalbuminemia
(B) hyperlipemia
(C) clean rubber tubing in the circle system
(D) fresh soda lime
(E) obesity
A
After termination of cardiopulmonary bypass, a patient who is chronically digitalized receives digoxin 0.5 mg in error. An ECG shows sinus bradycardia with intermittent sinus arrest; blood pressure is 90/60 mmHg. Which of the following drugs is contraiindicated in this patient?
A radial artery catheter is to be used for blood pressure measurement during a sitting craniotomy. When zeroing the transducer, which of the following describes the best levels for placement of the transducer and opening of the system to air? (Transducer, Opening to Air)