The therapeutic index of drug A is 10, and its effective dose 50 (ED50) is 200 mg. What is the lethal dose 50 (LD50) of drug A?
A. 2000 mg
B. 20 mg
C. 400 mg
D. 100 mg
Answer: A
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A client's ECG tracing shows a run of sustained ventricular tachycardia. What is the first action the nurse should take?
A. Assess the client's airway, breathing, and level of consciousness. B. Administer verapamil IV push. C. Defibrillate the client. D. Begin cardiopulmonary resuscitation
Which is an important nursing action related to the use of tape and/or adhesives on premature newborns?
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A nurse is assessing population groups for the risk of suicide requiring medical attention. Which group should the nurse monitor most closely?
a. Young bisexuals b. Young caucasians c. Asian Americans d. African-Americans
When weighing a patient on an overbed scale,
A) keep the patient's body in contact with the bed for safety. B) reassure the patient that he or she will not fall. C) maintain the lift in the closed-leg position. D) have the patient sit in the sling with feet on the bed.