Nokea
Which statement about clonidine is false
- A. Useful in the management of opiate withdrawal syndrome
- B. Claimed to have prophylactic value in migraine
- C. It is alpha-2 receptor stimulant
- D. It is safe on abrupt termination of treatment
Correct Answer: D
Rationale: Abrupt clonidine withdrawal can cause rebound hypertension.
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While caring for a patient scheduled for knee replacement surgery, the nurse provides cefazolin (Ancef) as ordered 30 minutes pre-operatively. The nurse knows that teaching has been effective by which of the following client statements?
- A. The antibiotic is given as a prophylactic to help reduce the risk of infection after surgery.'
- B. This is a palliative medication to help ease the pain from surgery.'
- C. This medication will replace vitamins and minerals that may be lost due to bleeding during surgery.'
- D. This medication will help the surgeon identify areas of bone destruction due to arthritis.'
Correct Answer: A
Rationale: Cefazolin is administered pre-operatively as prophylaxis to prevent surgical site infections, aligning with standard practice and effective patient understanding.
Hannah will be traveling to Mexico with her church group over spring break to build houses. She is concerned she may develop traveler's diarrhea. Advice includes following normal food and water precautions as well as taking:
- A. Loperamide four times a day throughout the trip
- B. Bismuth subsalicylate with each meal and at bedtime
- C. A prescription for diphenoxylate with atropine to use if she gets diarrhea
- D. None of the above
Correct Answer: B
Rationale: Bismuth subsalicylate prevents traveler's diarrhea when taken prophylactically; loperamide or diphenoxylate are for treatment, not prevention.
Beta 2 adrenergic receptor agonists:
- A. Relieve bronchospasms
- B. Potentiates hypertensive
- C. Catecholamine inhibits the reception
- D. Have porasympathominetic action on bronchi
Correct Answer: A
Rationale: Beta-2 adrenergic agonists, like salbutamol, relieve bronchospasms by relaxing bronchial smooth muscle, making them key in asthma and COPD management.
What medication most likely caused patient's hypoglycaemia?
- A. Acarbose
- B. Exenatide
- C. Glyburide
- D. Metformin
Correct Answer: C
Rationale: Glyburide, a sulfonylurea, is most likely to cause hypoglycemia due to excessive insulin release.
When describing the various types of medications to a group of nursing students, a nursing instructor would identify which of the following as a source for deriving medications?
- A. Plants
- B. Synthetic sources
- C. Mold
- D. All the above
Correct Answer: D
Rationale: Medications are derived from natural sources, for example, plants, molds, minerals, and animals, as well as created synthetically in a laboratory.