Above is a graph of the therapeutic index of a drug. How many milligrams of this drug will produce a lethal dose in 100% of the subjects tested?
A. 38 mg
B. 40 mg
C. 60 mg
D. 78 mg
Answer: D
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Predicting a difficult bag-valve mask seal uses which of the following mnemonics?
A) BOOTS B) MMAP C) SALT D) FROPVD
Which of the following findings are exclusion criteria for using noninvasive ventilation (NIV) in the patient with acute respiratory failure?
1. Apnea 2. Hemodynamic or cardiac instability 3. Low risk of aspiration 4. Lack of cooperation by the patient a. 1 and 3 only b. 1, 2, and 4 only c. 3 and 4 only d. 2, 3, and 4 only
During a microdiscectomy, gelfoam pledgets are soaked in
A. lidocaine C. saline B. topical thrombin D. none of the above
Oxygenated blood is distributed throughout the heart muscle through a process known as:
A. systemic circulation. B. pulmonary circulation. C. central circulation. D. coronary circulation.