Bearing in mind the function of the blood–brain barrier, dangers associated with administering large doses of water-soluble drugs relate primarily to the
a. rapid development of tolerance.
b. high risk of adverse systemic effects.
c. liver's inability to metabolize water-soluble drugs.
d. rapid passage into the brain increasing the risk of overdose.
B
Water-soluble drugs penetrate the blood–brain barrier slowly and in insignificant amounts. A dose high enough to affect the brain would invariably cause adverse systemic side effects. The other effects are not related.
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A patient who has just found out she is pregnant tells the nurse she wants to quit smoking. She asks about pharmacologic aids to help her quit. The nurse is correct to tell her what?
a. "Nicotine replacement therapy is harmful, but it is safer than smoking, so it can be used." b. "Psychosocial support is the only recom-mended treatment for smoking cessation during pregnancy." c. "Varenicline [Chantix] is safe to use dur-ing pregnancy." d. "You should try to taper off your smoking gradually, because none of the drugs are safe."
A patient being cared for in the emergency department (ED) will require endoscopy to remove a foreign object from the esophagus. Whose responsibility is it to obtain informed consent for this procedure?
1. The admittance clerk 2. The nurse who admitted the patient to the ED 3. The nurse who will assist in the procedure room 4. The health care provider performing the procedure.
According to Pender, one factor that motivates individuals to participate in health behaviors is the:
a. reduction of health risk by examination of the concepts of family risk related to each individual. b. desire to protect health by using behaviors directed toward decreasing the probability of specific illness or dysfunction. c. use of the Neuman Systems Model to de-fine family health in terms of systems sta-bility. d. realization that health can be defined in many ways and within many cultures.
The nurse obtains a specimen from the client's wound. Which items will the nurse include when documenting this procedure in the medical record?
1. Source of specimen 2. Type of culture obtained 3. Appearance of wound 4. Dispersal of the specimen 5. Microorganism causing infection