Nokea
Drug which crosses the placental barrier is:
- A. Phenytoin
- B. Diazepam
- C. Corticosterioids
- D. All of the above
Correct Answer: D
Rationale: All listed drugs cross the placenta, affecting the fetus.
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Discharge planning for patients leaving the hospital should include instructions on the use of over-the-counter (OTC) drugs. Which comment by the patient would demonstrate a good understanding of OTC drugs?
- A. OTC drugs are always safe and will not cause bad effects.'
- B. OTC drugs have been around for years and have not been tested by the Food and Drug Administration (FDA).'
- C. OTC drugs are different from any drugs available by prescription and cost less.'
- D. OTC drugs are thought to be safe when taken as directed.'
Correct Answer: D
Rationale: OTC drugs are drugs that have been determined to be safe when taken as directed. They may have originally been prescription drugs that were tested by the FDA or they may have been grandfathered in when the FDA laws changed. OTC education should always be included as a part of the hospital discharge instructions.
A prescription needs to be written for:
- A. Legend drugs
- B. Most controlled drugs
- C. Medical devices
- D. All of the above
Correct Answer: D
Rationale: Prescriptions are required for legend drugs (prescription-only), most controlled drugs, and certain medical devices , per regulatory standards.
Elderly patients who are started on levothyroxine for hypothyroidism may experience which of the following as a side effect that would require reevaluation of dosage?
- A. Excessive sedation
- B. Tachycardia and angina
- C. Weight gain
- D. Cold intolerance
Correct Answer: B
Rationale: Levothyroxine can cause tachycardia and angina in the elderly if overdosed; sedation or weight gain suggest underdosing.
After teaching a group of nursing students about pharmacokinetics, the instructor determines that the teaching was successful when the students identify which of the following as the first phase?
- A. Metabolism
- B. Absorption
- C. Distribution
- D. Excretion
Correct Answer: B
Rationale: Pharmacokinetics refers to the transportation activity of drugs in the body after administration. The first component is absorption. This is followed by distribution, metabolism, and finally excretion.
The physician has asked a nurse to administer a drug intravenously to a patient who is unresponsive. How can the nurse ensure that the drug is administered to the right patient?
- A. By waking him up to ask him his name
- B. By identifying the patient's room number
- C. By checking the patient's wristband
- D. By asking the nursing assistant for the patient's location
Correct Answer: C
Rationale: The nurse should identify a patient by checking his wristband, which has the patient's name. The nurse should not ask the patient to confirm his name, because some patients, particularly those who are confused or have difficulty hearing, may respond by answering yes. Additionally, this patient is unresponsive. The nurse can obtain the patient's location by asking any other member of the health care staff, but should verify the patient's identity by checking the wristband. The nurse should not rely on the patient's room number alone.