ATI RN
Pharmacology ATI Quizlet Questions
Question 1 of 5
When reviewing the health history of a patient, the nurse will note that a potential contraindication to potassium supplements exists if the patient has which problem?
Correct Answer: C
Rationale: Potassium supplements are contraindicated in patients with renal disease because impaired kidney function can lead to the inability to adequately excrete potassium. This can result in potentially dangerous hyperkalemia (high potassium levels) in the bloodstream, which can cause serious cardiac dysrhythmias.
Therefore, patients with renal disease should be cautious when taking potassium supplements or may need to avoid them altogether to prevent complications.
Question 2 of 5
A nurse is doing an assessment data while completing an admission for a patient with a history of liver
Correct Answer: D
Rationale: Given the patient's history of liver transplant and current medications (prednisone and azathioprine), the nurse should pay close attention to an increased cholesterol level. Corticosteroids (such as prednisone) and immunosuppressants (such as azathioprine) can both contribute to dyslipidemia, leading to elevated cholesterol levels. Monitoring cholesterol levels is crucial in this patient population to assess cardiovascular risk and potentially adjust medications or lifestyle interventions accordingly. The other findings mentioned (soft non-tender lump in the shoulder, grade 1+ pitting edema in the feet, swollen and pinkish gums) may be important to note but do not directly relate to the patient's history of liver transplant and medication regimen.
Question 3 of 5
What is the therapeutic classification of phenytoin (Dilantin)
Correct Answer: C
Rationale: Phenytoin (Dilantin) belongs to the therapeutic class of anticonvulsants. Anticonvulsants are medications primarily used to treat and prevent seizures and are commonly prescribed for patients with epilepsy. Phenytoin works by stabilizing the electrical activity in the brain to prevent abnormal brain activity that leads to seizures. It is not classified as a mood stabilizer or bronchodilator; its main purpose is to control epileptic seizures.
Question 4 of 5
An adult patient has been taking a drug (Drug A) that is highly metabolized by the cytochrome p-450 system. He has been on this medication for 6 months. At this time, he is started on a second medication (Drug B) that is an inducer of the cytochrome p-450 system. You should monitor this patient for:
Correct Answer: C
Rationale: Drug B, as an inducer of the cytochrome p-450 system, increases the metabolism of Drug A, leading to lower plasma concentrations and reduced therapeutic effects of Drug A. This interaction is a common concern in polypharmacy, where one drug affects the metabolism of another. Monitoring for decreased efficacy of Drug A is essential to ensure the patient receives adequate treatment. Increased adverse effects of Drug B or decreased effects of Drug B are less likely in this scenario.
Question 5 of 5
The following are sympathomimetic amines , EXCEPT:
Correct Answer: B
Rationale: Sympathomimetic amines are compounds that mimic the effects of the sympathetic nervous system. Options A, C, D, and E (epinephrine, norepinephrine, levonordefrin, and phenylephrine) are all sympathomimetic amines commonly used in dentistry for their vasoconstrictive properties. Felypressin, on the other hand, is a synthetic vasopressin analog and does not have sympathomimetic properties. It is commonly used in dentistry as a local vasoconstrictor to prolong the anesthetic effect.