A nurse working in an emergency department is caring for a client who has Benzodiazepine toxicity due to an overdose. Which of the following actions is the nurse's priority?
- A. Administer flumazenil.
- B. Identify the client's level of orientation.
- C. Infuse IV fluids.
- D. Prepare the client for gastric lavage
Correct Answer: B
Rationale: Assessing orientation is the priority to determine the severity of toxicity and guide interventions.
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Drugs mostly cross biological membranes by
- A. Passive diffusion
- B. Active diffusion
- C. Active transport
- D. Carrier mediated transport
Correct Answer: A
Rationale: Most drugs cross membranes via passive diffusion based on concentration gradients.
Which of the following is true regarding the Dietary Supplement Health and Education Act (DSHEA)?Select one that does not apply.
- A. The act allows for DEA enforcement of the act.
- B. The act gives the FDA power to enforce the laws governed by the act.
- C. The act permits general health claims.
- D. The act does not permit curative health claims.
Correct Answer: A
Rationale: The DSHEA defines substances such as herbs, vitamins, minerals, amino acids, and other natural substances as 'dietary supplements' and permits general health claims as long as the label also has a disclaimer stating that the supplements are not approved by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. The act gives the FDA the power to enforce the laws governed by the act.
The U.S. Food and Drug Administration approval is required for:
- A. Medical devices, including artificial joints
- B. Over-the-counter vitamins
- C. Herbal products, such as St John's wort
- D. Dietary supplements, such as Ensure
Correct Answer: A
Rationale: FDA approval is required for medical devices like artificial joints , but not OTC vitamins, herbal products, or supplements (B-D), which have lighter oversight.
Which of the following is an II generation sulfonylurea drugs, which are used for the treatment of diabetes mellitus type II:
- A. Chlorpropamide
- B. Tolazamide
- C. Tobutamide
- D. Glipizide
Correct Answer: D
Rationale: Glipizide is a second-generation sulfonylurea, more potent and with fewer side effects than first-generation drugs like chlorpropamide.
Donald has been diagnosed with hyperlipidemia. Based on his lipid profile, atorvastatin is prescribed. Rhabdomyolysis is a rare but serious adverse response to this drug. Donald should be told to:
- A. Become a vegetarian because this disorder is associated with eating red meat.
- B. Stop taking the drug if abdominal cramps and diarrhea develop.
- C. Report muscle weakness or tenderness and dark urine to his provider immediately.
- D. Expect 'hot flash' sensations during the first 2 weeks of therapy.
Correct Answer: C
Rationale: Muscle symptoms and dark urine indicate rhabdomyolysis, requiring immediate reporting.