,NSG 6005 Exam 1 | Questions & Verified
Answers | 2026 Edition | Galen College
1. Which of the following best describes the primary focus of pharmacokinetics in advanced
pharmacology?
A) The study of the drug's mechanism of action at the receptor site
B) The process of drug movement through the body, including absorption, distribution, metabolism, and
excretion
C) The clinical indication for which a drug is prescribed
D) The study of how genetics influence an individual's response to a drug
Correct Answer: The process of drug movement through the body, including absorption, distribution,
metabolism, and excretion
Rationale: Pharmacokinetics is the study of what the body does to a drug, encompassing absorption,
distribution, metabolism, and excretion (ADME). Pharmacodynamics is the study of the drug's
mechanism of action and effects on the body.
2. An APRN is reviewing the concept of bioavailability. Which statement accurately defines this term?
A) The time it takes for a drug to reach its maximum concentration in the blood
B) The percentage of an administered drug that reaches the systemic circulation
C) The rate at which a drug is removed from the body
D) The amount of drug that is bound to plasma proteins
Correct Answer: The percentage of an administered drug that reaches the systemic circulation
Rationale: Bioavailability refers to the fraction of an administered dose of a drug that reaches the
systemic circulation unchanged. It is a key factor in determining drug dosing, especially for drugs with a
narrow therapeutic range.
,3. A drug with a significant first-pass effect is given orally. The nurse practitioner understands that this
drug will:
A) Have increased bioavailability due to extensive metabolism in the liver
B) Be rapidly metabolized by the liver before reaching systemic circulation, potentially reducing its effect
C) Be absorbed unchanged into the systemic circulation
D) Require a lower dose than the intravenous form
Correct Answer: Be rapidly metabolized by the liver before reaching systemic circulation, potentially
reducing its effect
Rationale: The first-pass effect refers to the metabolism of a drug in the liver before it reaches systemic
circulation. This can significantly reduce the amount of active drug available to produce a therapeutic
effect, often requiring higher oral doses compared to IV administration.
4. The half-life of a drug is defined as the:
A) Time required for the drug to reach peak plasma concentration
B) Time required for the amount of drug in the body to decrease by 50%
C) Time it takes for the drug to be completely eliminated from the body
D) Duration of the drug's therapeutic effect
Correct Answer: Time required for the amount of drug in the body to decrease by 50%
Rationale: Half-life is the time required for the concentration of a drug in the body to be reduced by
exactly one-half. This parameter is crucial for determining dosing intervals and time to steady-state.
5. A patient with a history of renal impairment is prescribed a medication that is primarily excreted by
the kidneys. The nurse practitioner should anticipate:
A) An increased half-life and possible drug accumulation
B) A decreased half-life and need for higher doses
C) No change in the drug's pharmacokinetics
D) An increased rate of absorption
, Correct Answer: An increased half-life and possible drug accumulation
Rationale: Impaired renal function reduces the excretion of drugs that are primarily renally cleared. This
leads to a prolonged half-life and potential drug accumulation, increasing the risk of toxicity. Dosage
adjustments are often necessary.
6. An APRN is assessing a patient for an adverse drug reaction. Which of the following is a Type D
(delayed) adverse drug reaction?
A) Anaphylaxis following penicillin administration
B) A rash occurring 2 weeks after starting a new medication
C) Carcinogenic effect of a drug years after exposure
D) A drug interaction causing increased sedation
Correct Answer: Carcinogenic effect of a drug years after exposure
Rationale: Type D adverse reactions are delayed effects that may not appear for months or years after
drug exposure. Carcinogenicity and teratogenicity are examples. Type A reactions are dose-dependent,
Type B are idiosyncratic, and Type C are related to chronic use.
7. A patient who identifies as gay is being assessed for suicide risk. The nurse practitioner understands
that this patient:
A) Has no increased risk compared to the general population
B) Is at a lower risk for suicide due to community support
C) Is at a higher risk for suicide than heterosexual individuals
D) Should only be screened for suicide if they have a history of mental illness
Correct Answer: Is at a higher risk for suicide than heterosexual individuals
Rationale: Individuals who identify as LGBTQ+ are at a significantly higher risk for suicidal ideation and
attempts compared to heterosexual individuals. Routine screening for suicide risk is important in this
population.
Answers | 2026 Edition | Galen College
1. Which of the following best describes the primary focus of pharmacokinetics in advanced
pharmacology?
A) The study of the drug's mechanism of action at the receptor site
B) The process of drug movement through the body, including absorption, distribution, metabolism, and
excretion
C) The clinical indication for which a drug is prescribed
D) The study of how genetics influence an individual's response to a drug
Correct Answer: The process of drug movement through the body, including absorption, distribution,
metabolism, and excretion
Rationale: Pharmacokinetics is the study of what the body does to a drug, encompassing absorption,
distribution, metabolism, and excretion (ADME). Pharmacodynamics is the study of the drug's
mechanism of action and effects on the body.
2. An APRN is reviewing the concept of bioavailability. Which statement accurately defines this term?
A) The time it takes for a drug to reach its maximum concentration in the blood
B) The percentage of an administered drug that reaches the systemic circulation
C) The rate at which a drug is removed from the body
D) The amount of drug that is bound to plasma proteins
Correct Answer: The percentage of an administered drug that reaches the systemic circulation
Rationale: Bioavailability refers to the fraction of an administered dose of a drug that reaches the
systemic circulation unchanged. It is a key factor in determining drug dosing, especially for drugs with a
narrow therapeutic range.
,3. A drug with a significant first-pass effect is given orally. The nurse practitioner understands that this
drug will:
A) Have increased bioavailability due to extensive metabolism in the liver
B) Be rapidly metabolized by the liver before reaching systemic circulation, potentially reducing its effect
C) Be absorbed unchanged into the systemic circulation
D) Require a lower dose than the intravenous form
Correct Answer: Be rapidly metabolized by the liver before reaching systemic circulation, potentially
reducing its effect
Rationale: The first-pass effect refers to the metabolism of a drug in the liver before it reaches systemic
circulation. This can significantly reduce the amount of active drug available to produce a therapeutic
effect, often requiring higher oral doses compared to IV administration.
4. The half-life of a drug is defined as the:
A) Time required for the drug to reach peak plasma concentration
B) Time required for the amount of drug in the body to decrease by 50%
C) Time it takes for the drug to be completely eliminated from the body
D) Duration of the drug's therapeutic effect
Correct Answer: Time required for the amount of drug in the body to decrease by 50%
Rationale: Half-life is the time required for the concentration of a drug in the body to be reduced by
exactly one-half. This parameter is crucial for determining dosing intervals and time to steady-state.
5. A patient with a history of renal impairment is prescribed a medication that is primarily excreted by
the kidneys. The nurse practitioner should anticipate:
A) An increased half-life and possible drug accumulation
B) A decreased half-life and need for higher doses
C) No change in the drug's pharmacokinetics
D) An increased rate of absorption
, Correct Answer: An increased half-life and possible drug accumulation
Rationale: Impaired renal function reduces the excretion of drugs that are primarily renally cleared. This
leads to a prolonged half-life and potential drug accumulation, increasing the risk of toxicity. Dosage
adjustments are often necessary.
6. An APRN is assessing a patient for an adverse drug reaction. Which of the following is a Type D
(delayed) adverse drug reaction?
A) Anaphylaxis following penicillin administration
B) A rash occurring 2 weeks after starting a new medication
C) Carcinogenic effect of a drug years after exposure
D) A drug interaction causing increased sedation
Correct Answer: Carcinogenic effect of a drug years after exposure
Rationale: Type D adverse reactions are delayed effects that may not appear for months or years after
drug exposure. Carcinogenicity and teratogenicity are examples. Type A reactions are dose-dependent,
Type B are idiosyncratic, and Type C are related to chronic use.
7. A patient who identifies as gay is being assessed for suicide risk. The nurse practitioner understands
that this patient:
A) Has no increased risk compared to the general population
B) Is at a lower risk for suicide due to community support
C) Is at a higher risk for suicide than heterosexual individuals
D) Should only be screened for suicide if they have a history of mental illness
Correct Answer: Is at a higher risk for suicide than heterosexual individuals
Rationale: Individuals who identify as LGBTQ+ are at a significantly higher risk for suicidal ideation and
attempts compared to heterosexual individuals. Routine screening for suicide risk is important in this
population.
