10 Random Questions

Which of the following statements concerning the choice of nitroprusside or nitroglycerin to induce deliberate hypotension is true?

Postoperatively, a patient is being mechanically ventilated by a constant-flow, pressure-cycled ventilator with the following initial settings: inspiratory/expiratory (I/E) ratio of 1:2, peak inspiratory pressure (PIP) of 25 cmH2O, and rate of 10/min. One hour later, the I/E ratio is 1:4. Which of the following would ensure that the minute ventilation is the same as that initially set?

BASIC Equipment & Physics Respiratory & Critical Care

Each of the following is consistent with exposure to organophosphates EXCEPT

ADVANCED Pharmacology & Pharmacokinetics

A 35-kg child requires mechanical ventilation with pure oxygen at a tidal volume of 350 ml and a rate of 20/min during a severe asthma attack. The most likely cause of severe hypotension after initiating mechanical ventilation is

BASIC Equipment & Physics Respiratory & Critical Care Pediatric

Nitroprusside therapy for hypertension should be discontinued in the presence of

ADVANCED General Cardiac

To eliminate all pain during the second stage of labor, a lumbar epidural block must extend from

The graphs shown illustrate various respiratory patterns in a patient who is breathing spontaneously with continuous positive airway pressure. Which of the following patterns is associated with the LEAST work of breathing?

BASIC Respiratory & Critical Care

An intubated patient is breathing spontaneously through the T-piece shown in Figure 1. Addition of tubing at A and B as shown in Figure 2 without an increase in minute ventilation will result in

When succinylcholine is administered intravenously to infants, intragastric pressure

ADVANCED Pharmacology & Pharmacokinetics Pediatric

The use of droperidol as a preanesthetic medication has been associated with each of the following EXCEPT

BASIC Pharmacology & Pharmacokinetics