Nokea
A 3 year old child has been admitted to hospital with suspicion of an atropine overdose. Which of the following symptoms could have led to the arrival of the diagnosis?
- A. Abdominal cramps
- B. Increased gastric secretion
- C. Increased cardiac rate
- D. Papillary constriction
Correct Answer: C
Rationale: Atropine overdose causes tachycardia due to muscarinic blockade.
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A nurse is assessing a client who is taking Amiodarone to treat Atrial Fibrillation. Which of the following findings is a manifestation of Amiodarone toxicity?
- A. Light yellow urine
- B. Report of tinnitus
- C. Productive cough
- D. Blue-gray skin discoloration
Correct Answer: C
Rationale: Productive cough may indicate pulmonary toxicity, a serious amiodarone side effect.
Methanol causes blindness due to its
- A. Hypersensitivity reactions
- B. Conjugated products
- C. Idiosyncratic reaction
- D. Oxidative products
Correct Answer: D
Rationale: Methanol's metabolite, formic acid (oxidative product), damages the optic nerve, causing blindness.
A patient is brought to the emergency department after ingesting an overdose of lorazepam (Ativan) several hours prior. The patient has a respiratory rate of 6 to 10 breaths per minute and is unconscious. The nurse will prepare to perform which action?
- A. Administer activated charcoal
- B. Give flumazenil (Romazicon)
- C. Give naloxone (Narcan)
- D. Perform gastric lavage
Correct Answer: B
Rationale: Flumazenil reverses benzodiazepine (lorazepam) overdose; naloxone is for opioids. Flumazenil is the antidote for benzodiazepine overdose.
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 a phase? (Select one that does not apply.)
- A. Absorption
- B. Distribution
- C. Administration
- D. Metabolism
Correct Answer: C
Rationale: The pharmacokinetic phases are absorption, distribution, metabolism, and excretion. The acronym ADME is a helpful way to remember the pharmacokinetic phases.
Josefina is a 2-year-old child with acute otitis media and an upper respiratory infection. Along with an antibiotic she receives a recommendation to treat the ear pain with ibuprofen. What education would her parent need regarding ibuprofen?
- A. They can cut an adult ibuprofen tablet in half to give Josefina
- B. The ibuprofen dose can be doubled for severe pain
- C. Josefina needs to be well-hydrated while taking ibuprofen
- D. Ibuprofen is completely safe in children with no known adverse effects
Correct Answer: C
Rationale: Hydration reduces ibuprofen's renal risk in kids; cutting tablets or doubling is unsafe.