ATI LPN
Lpn pharmacology I Questions
Extract:
Question 1 of 5
The LPN/LVN is aware that the bioavailability of a drug is based on multiple factors. Which factor(s) would be included?
Correct Answer: A,B,E
Rationale: Molecular weight: Drugs with lower molecular weight tend to have higher bioavailability because they can more easily pass through biological membranes. Fat or liquid solubility: Drugs that are fat-soluble can cross cell membranes more easily, affecting their bioavailability. Presence of food: Food in the stomach can either enhance or inhibit drug absorption, depending on the drug's characteristics.
Question 2 of 5
The LPN/LVN is aware that the bioavailability of a drug is based on multiple factors. Which factor(s) would be included?
Correct Answer: A,B,E
Rationale: Molecular weight: Drugs with lower molecular weight tend to have higher bioavailability because they can more easily pass through biological membranes. Fat or liquid solubility: Drugs that are fat-soluble can cross cell membranes more easily, affecting their bioavailability. Presence of food: Food in the stomach can either enhance or inhibit drug absorption, depending on the drug's characteristics.
Question 3 of 5
The nurse is preparing to administer medication to a pediatric patient. Which essential safety action should the nurse take prior to administration?
Correct Answer: A
Rationale: This is the most critical safety action, as pediatric dosages are often weight-based to prevent overdosing or underdosing, ensuring the child's safety and the medication's efficacy.
Question 4 of 5
Which term means moving of the medication from the site of administration to the target organ?
Correct Answer: B
Rationale: Distribution refers to the process by which a drug is transported by the blood to the target organ or tissues after it is absorbed into the bloodstream.
Question 5 of 5
A patient is admitted to the emergency room with an accidental overdose of a substance that is caustic. Which therapeutic option should the nurse question?
Correct Answer: D
Rationale: Inducing vomiting is contraindicated in cases of caustic substance ingestion because it can cause additional damage to the esophagus and mouth.