Nokea
Which of the following statements about pancreatic enzymes is true?
- A. Dosing may be titrated according to the decrease of steatorrhea
- B. The amount of carbohydrates in the meal drives the amount of enzyme used
- C. The amount of medication used is increased with a cystic fibrosis pulmonary flare
- D. The FDA and Internet-available formulations are bioequivalent
Correct Answer: A
Rationale: Pancreatic enzyme dosing adjusts based on steatorrhea reduction; carbs aren't the driver, and flares don't increase it.
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Where are large fenestrations or slit junctions located?
- A. Bone
- B. Brain
- C. Skin
- D. Liver
Correct Answer: D
Rationale: The liver has large fenestrations in sinusoidal endothelium, allowing easy drug passage, unlike the brain (tight junctions) or bone/skin (less permeable).
The adverse events of biguanides are:
- A. Alkalosis
- B. Hypoxemia/acidosis
- C. Weight loss
- D. Anemia
Correct Answer: B
Rationale: Biguanides like metformin can cause lactic acidosis, a serious adverse effect related to impaired mitochondrial function.
A nurse working in radiology administers iodine to a patient who is having a computed tomography (CT) scan. The nurse working on the oncology unit administers chemotherapy to patients who have cancer. At the Public Health Department, a nurse administers a measles-mumps-rubella (MMR) vaccine to a 14-month-old child as a routine immunization. Which branch of pharmacology best describes the actions of all three nurses?
- A. Pharmacoeconomics
- B. Pharmacotherapeutics
- C. Pharmacodynamics
- D. Pharmacokinetics
Correct Answer: B
Rationale: Pharmacology is the study of the biologic effects of chemicals. Nurses are involved with clinical pharmacology or pharmacotherapeutics, which is a branch of pharmacology that deals with the uses of drugs to treat, prevent, and diagnose disease. The radiology nurse is administering a drug to help diagnose a disease. The oncology nurse is administering a drug to help treat a disease. Pharmacoeconomics includes any costs involved in drug therapy. Pharmacodynamics involves how a drug affects the body and pharmacokinetics is how the body acts on the body.
A nurse is reviewing the health care record of a client who reports urinary incontinence and asks about a prescription for Oxybutynin. The nurse should recognize that Oxybutynin is contraindicated in the presence of which of the following conditions?
- A. Bursitis
- B. Brussels
- C. Depression
- D. Glaucoma
Correct Answer: D
Rationale: Oxybutynin is contraindicated in glaucoma due to its anticholinergic effects increasing intraocular pressure.
Paracetamol is an NSAID with a comparatively low anti-inflammatory effect compared to other NSAIDs.
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: Paracetamol (acetaminophen) has minimal anti-inflammatory activity, primarily acting as an analgesic and antipyretic.