NR 565 Advanced Pharmacology Midterm Exam

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NR 565 Advanced Pharmacology Midterm Exam Chamberlain Actual Questions with 100% Correct Answers | Updated & Verified

Question 1: Which schedule drugs can APRNs prescribe?

Correct answer: Schedule II-V

Question 2: Who determines and regulates prescriptive

authority?

Correct answer: Nurse practitioner scope of practice is

determined by state practice and licensure laws.

Question 3: How does limited prescriptive authority impact

patients within the healthcare system?

Correct answer: Limited authority creates problems for the

patient. The patient is not able to get the care they need.

Question 4: What are the key responsibilities of prescribing?

Correct answer:

• Be prudent and deliberate in your decision-making process
• Have a documented provider-patient relationship with the

person for whom you are prescribing

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• Do not prescribe medications for family or friends or for

yourself

• Document a thorough history and physical examination in

your records

• Include any discussions you have with the patient regarding

risk factors, side effects, or therapy options

• Have a documented plan regarding drug monitoring or

titration, if applicable

Question 5: What should be used to make prescribing decisions?

Correct answer:

• Pharmacokinetics and pharmacodynamics of older adults
• Drug accumulation secondary to reduced renal function
• Polypharmacy (the use of five or more medications daily)
• Greater severity of illness
• Presence of comorbidities
• Use of drugs that have a low therapeutic index (e.g., digoxin)
• Increased individual variation secondary to altered

pharmacokinetics

• Inadequate supervision of long-term therapy
• Poor patient adherence

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Question 6: What is the Beer's Criteria?

Correct answer:

• Potentially Inappropriate Medication (PIM) use in older adults
• PIM use in older adults due to medication-disease or

medication-syndrome interactions that may exacerbate the disease or syndrome

• Medications to be used cautiously in older adults
• Clinically significant drug interactions that should be avoided

in older adults

• Medications to be avoided or dosage decreased in the presence

of impaired kidney function in older adults (American Geriatric Society Beers Criteria Update Expert Panel, 2019)

Question 7: What is CYP450 and its role in drug metabolism?

Correct answer: Many medications are metabolized through the

liver enzyme system called cytochrome P450 (CYP450).Metabolization can be inhibited or induced by drugs, and once this happens drug-drug interactions can occur.

Question 8: What are some CYP450 inhibitors and their

mnemonic?

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Correct answer:

• Valproate
• Isoniazid
• Sulfamides
• Amiodarone
• Chloramphenicol
• Ketoconazole
• Grapefruit Juice
• Quinidine

Mnemonic: VISA credit card dept Inhibits Spending on CK and

GQ

Question 9: What do CYP450 inhibitors do?

Correct answer: Decreases the CYP450 which keeps the

medication in your body longer, which can cause toxicity.

Question 10: What are some CYP450 inducers and their

mnemonic?

Correct answer:

• Chronic Alcoholics
• St. John’s Wort