Nokea
Phenytoin decreases folic acid absorption by:
- A. Altering the pH of the stomach
- B. Increasing gastric emptying time
- C. Inhibiting intestinal enzymes required for folic acid absorption
- D. Chelation of the folic acid into inactive ingredients
Correct Answer: C
Rationale: Phenytoin inhibits intestinal conjugase enzymes, reducing folic acid absorption.
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It is important to evaluate the efficacy of what parameter when evaluating the drug therapy of a patient?
- A. Appropriateness of drug dosages
- B. Compliance
- C. Caregivers knowledge level
- D. Nursing interventions
Correct Answer: D
Rationale: Evaluating nursing interventions assesses their effectiveness in achieving drug therapy goals.
In Ayurvedic medicine, treatment is based on the 'tistidever' dosha, which is referred to as the person's:
- A. Vata
- B. Pitta
- C. Kapha
- D. Prakriti
Correct Answer: D
Rationale: Prakriti is the individual's constitution in Ayurveda, guiding treatment based on dosha balance.
The processes involved in dynamic equilibrium are key elements in the nurse's ability to determine what?
- A. Dosage scheduling
- B. Amount of solution for mixing parenteral drugs
- C. Timing of other drugs the patient is taking
- D. How long the patient has to take the drug
Correct Answer: A
Rationale: These processes are key elements in determining the amount of drug (dose) and the frequency of dose repetition (scheduling) required to achieve the critical concentration for the desired length of time. The processes in dynamic equilibrium are not key elements in determining the amount of diluents for intramuscular (IM) drugs; they do not aid in the timing of the other drugs the patient is taking or how long the patient has to take the drug.
The nurse administers a prescribed medication that is supplied as an enteric-coated tablet. The patient asks the nurse about this form of tablet. When describing how this tablet is absorbed, which response by the nurse would be most accurate?
- A. The medication dissolves directly from the stomach into the body.'
- B. The drug breaks up into pieces as it moves through the stomach.'
- C. The medication bypasses the GI tract and goes quickly into the bloodstream.'
- D. The drug dissolves into fragments after it reaches your small intestine.'
Correct Answer: D
Rationale: Enteric-coated tablets disintegrate or fragment after reaching the alkaline medium of the small intestine. Tablets and capsules break up into small particles and dissolve into body fluids in the gastrointestinal tract. Liquids and parenteral drugs are quickly absorbed into the body system.
Which of the following statement is not correct for insulin medications:
- A. Effective for treatment of diabetes type I
- B. Effective for treament of diabetes type II
- C. Is for parenteral use
- D. Is for intravenous use only
Correct Answer: D
Rationale: Insulin is not exclusively for IV use; it's typically subcutaneous, though IV is used in emergencies.