NUR 334 PRACTICE EXAM 1 (LATEST ): QUESTIONS AND
CORRECT VERIFIED ANSWERS (100% GUARANTEED PASS!!!)
1. A nursing student is reviewing the concept of pharmacokinetics and asks
why a medication's absorption, distribution, metabolism, and excretion
must be considered when determining therapy. Which statement best
describes pharmacokinetics?
A. It describes how a medication produces a therapeutic response at its
receptor
B. It describes how the body absorbs, distributes, metabolizes, and excretes
a medication
C. It describes how medications interact with each other at the cellular level
D. It describes the psychological response a patient has to taking medication
Answer: B. It describes how the body absorbs, distributes, metabolizes, and
excretes a medication
2. A patient asks the nurse why two medications prescribed at the same dose
can produce different effects in different people. Which factor most directly
contributes to this difference?
A. Individual variations in absorption, metabolism, receptor sensitivity, and
elimination
B. All patients have identical pharmacokinetic responses
C. Medication color determines therapeutic effectiveness
D. The route of administration has no effect on drug response
Answer: A. Individual variations in absorption, metabolism, receptor
sensitivity, and elimination
3. A nurse is explaining pharmacodynamics to a patient who asks how a
medication actually produces its intended effect. Which explanation is most
accurate?
A. Pharmacodynamics describes how the kidneys remove the drug
B. Pharmacodynamics describes how the liver changes the drug
C. Pharmacodynamics describes the biochemical and physiologic effects of
the medication on the body
pg. 1
, D. Pharmacodynamics describes only the medication's absorption from the
gastrointestinal tract
Answer: C. Pharmacodynamics describes the biochemical and physiologic
effects of the medication on the body
4. A patient receives an oral medication and asks why the onset of action may
be slower than when the same medication is administered intravenously.
Which explanation is most appropriate?
A. Oral medications are never absorbed
B. Intravenous medications must pass through the stomach first
C. Oral medications always have a longer half-life
D. Oral medications must undergo gastrointestinal absorption before
reaching systemic circulation
Answer: D. Oral medications must undergo gastrointestinal absorption
before reaching systemic circulation
5. A nurse is reviewing medication administration safety with a newly licensed
nurse. Which action most directly reflects the right-patient principle?
A. Comparing the medication label with the electronic medication record
B. Asking the patient to state their full name and date of birth and
comparing those identifiers with the medication record
C. Administering the medication because the patient's room number
matches the prescription
D. Asking another patient to identify the patient before medication
administration
Answer: B. Asking the patient to state their full name and date of birth and
comparing those identifiers with the medication record
6. A patient is prescribed a medication that has a narrow therapeutic index.
Which nursing action is particularly important when administering this
medication?
A. Avoiding all laboratory monitoring
B. Giving the medication only when symptoms become severe
C. Monitoring therapeutic response and toxicity according to the
pg. 2
, medication's requirements
D. Automatically doubling the dose if the first dose is ineffective
Answer: C. Monitoring therapeutic response and toxicity according to the
medication's requirements
7. A nurse explains that a drug's half-life is important when determining
dosing intervals. Which statement accurately defines half-life?
A. The amount of medication needed to produce a therapeutic effect
B. The time required for the medication to begin producing an effect
C. The percentage of medication absorbed from the gastrointestinal tract
D. The time required for the drug concentration in the body to decrease by
approximately one-half
Answer: D. The time required for the drug concentration in the body to
decrease by approximately one-half
8. A medication is administered intravenously to a critically ill patient. Which
characteristic of intravenous administration should the nurse recognize?
A. It provides direct systemic availability and generally produces rapid
effects
B. It requires gastrointestinal absorption before entering circulation
C. It always produces a slower effect than oral administration
D. It completely eliminates the possibility of adverse effects
Answer: A. It provides direct systemic availability and generally produces
rapid effects
9. A patient with severe dysphagia is prescribed a medication available in both
oral and intravenous forms. Which consideration should the nurse prioritize
when determining whether the oral formulation is appropriate?
A. The patient's ability to safely swallow and absorb the medication
B. The medication's tablet color
C. The patient's preferred room temperature
D. Whether the medication is manufactured by a domestic company
Answer: A. The patient's ability to safely swallow and absorb the medication
pg. 3
, 10. A patient asks why some extended-release medications should not be
crushed. Which response is most accurate?
A. Crushing all medications destroys their chemical structure
B. Crushing an extended-release formulation can release the medication too
rapidly
C. Crushing always prevents medication absorption
D. Extended-release medications contain no active drug
Answer: B. Crushing an extended-release formulation can release the
medication too rapidly
11. A patient is prescribed a medication that is highly protein bound. Which
clinical concern should the nurse recognize when another highly protein-
bound medication is added?
A. Drug absorption becomes impossible
B. The medication automatically becomes inactive
C. Competition for protein-binding sites can increase the free concentration
of some medications
D. Protein binding guarantees that toxicity cannot occur
Answer: C. Competition for protein-binding sites can increase the free
concentration of some medications
12. A patient with significant hepatic impairment is prescribed a medication
primarily metabolized by the liver. Which consideration is most important?
A. The medication will always be eliminated faster
B. The medication cannot enter the bloodstream
C. Hepatic impairment may increase drug exposure and toxicity
D. Liver function has no relationship to medication metabolism
Answer: C. Hepatic impairment may increase drug exposure and toxicity
13. A patient with advanced renal disease is prescribed a medication that is
primarily eliminated by the kidneys. Which nursing concern is most
appropriate?
A. The drug may accumulate if renal clearance is impaired
B. The medication will always be completely eliminated immediately
pg. 4
CORRECT VERIFIED ANSWERS (100% GUARANTEED PASS!!!)
1. A nursing student is reviewing the concept of pharmacokinetics and asks
why a medication's absorption, distribution, metabolism, and excretion
must be considered when determining therapy. Which statement best
describes pharmacokinetics?
A. It describes how a medication produces a therapeutic response at its
receptor
B. It describes how the body absorbs, distributes, metabolizes, and excretes
a medication
C. It describes how medications interact with each other at the cellular level
D. It describes the psychological response a patient has to taking medication
Answer: B. It describes how the body absorbs, distributes, metabolizes, and
excretes a medication
2. A patient asks the nurse why two medications prescribed at the same dose
can produce different effects in different people. Which factor most directly
contributes to this difference?
A. Individual variations in absorption, metabolism, receptor sensitivity, and
elimination
B. All patients have identical pharmacokinetic responses
C. Medication color determines therapeutic effectiveness
D. The route of administration has no effect on drug response
Answer: A. Individual variations in absorption, metabolism, receptor
sensitivity, and elimination
3. A nurse is explaining pharmacodynamics to a patient who asks how a
medication actually produces its intended effect. Which explanation is most
accurate?
A. Pharmacodynamics describes how the kidneys remove the drug
B. Pharmacodynamics describes how the liver changes the drug
C. Pharmacodynamics describes the biochemical and physiologic effects of
the medication on the body
pg. 1
, D. Pharmacodynamics describes only the medication's absorption from the
gastrointestinal tract
Answer: C. Pharmacodynamics describes the biochemical and physiologic
effects of the medication on the body
4. A patient receives an oral medication and asks why the onset of action may
be slower than when the same medication is administered intravenously.
Which explanation is most appropriate?
A. Oral medications are never absorbed
B. Intravenous medications must pass through the stomach first
C. Oral medications always have a longer half-life
D. Oral medications must undergo gastrointestinal absorption before
reaching systemic circulation
Answer: D. Oral medications must undergo gastrointestinal absorption
before reaching systemic circulation
5. A nurse is reviewing medication administration safety with a newly licensed
nurse. Which action most directly reflects the right-patient principle?
A. Comparing the medication label with the electronic medication record
B. Asking the patient to state their full name and date of birth and
comparing those identifiers with the medication record
C. Administering the medication because the patient's room number
matches the prescription
D. Asking another patient to identify the patient before medication
administration
Answer: B. Asking the patient to state their full name and date of birth and
comparing those identifiers with the medication record
6. A patient is prescribed a medication that has a narrow therapeutic index.
Which nursing action is particularly important when administering this
medication?
A. Avoiding all laboratory monitoring
B. Giving the medication only when symptoms become severe
C. Monitoring therapeutic response and toxicity according to the
pg. 2
, medication's requirements
D. Automatically doubling the dose if the first dose is ineffective
Answer: C. Monitoring therapeutic response and toxicity according to the
medication's requirements
7. A nurse explains that a drug's half-life is important when determining
dosing intervals. Which statement accurately defines half-life?
A. The amount of medication needed to produce a therapeutic effect
B. The time required for the medication to begin producing an effect
C. The percentage of medication absorbed from the gastrointestinal tract
D. The time required for the drug concentration in the body to decrease by
approximately one-half
Answer: D. The time required for the drug concentration in the body to
decrease by approximately one-half
8. A medication is administered intravenously to a critically ill patient. Which
characteristic of intravenous administration should the nurse recognize?
A. It provides direct systemic availability and generally produces rapid
effects
B. It requires gastrointestinal absorption before entering circulation
C. It always produces a slower effect than oral administration
D. It completely eliminates the possibility of adverse effects
Answer: A. It provides direct systemic availability and generally produces
rapid effects
9. A patient with severe dysphagia is prescribed a medication available in both
oral and intravenous forms. Which consideration should the nurse prioritize
when determining whether the oral formulation is appropriate?
A. The patient's ability to safely swallow and absorb the medication
B. The medication's tablet color
C. The patient's preferred room temperature
D. Whether the medication is manufactured by a domestic company
Answer: A. The patient's ability to safely swallow and absorb the medication
pg. 3
, 10. A patient asks why some extended-release medications should not be
crushed. Which response is most accurate?
A. Crushing all medications destroys their chemical structure
B. Crushing an extended-release formulation can release the medication too
rapidly
C. Crushing always prevents medication absorption
D. Extended-release medications contain no active drug
Answer: B. Crushing an extended-release formulation can release the
medication too rapidly
11. A patient is prescribed a medication that is highly protein bound. Which
clinical concern should the nurse recognize when another highly protein-
bound medication is added?
A. Drug absorption becomes impossible
B. The medication automatically becomes inactive
C. Competition for protein-binding sites can increase the free concentration
of some medications
D. Protein binding guarantees that toxicity cannot occur
Answer: C. Competition for protein-binding sites can increase the free
concentration of some medications
12. A patient with significant hepatic impairment is prescribed a medication
primarily metabolized by the liver. Which consideration is most important?
A. The medication will always be eliminated faster
B. The medication cannot enter the bloodstream
C. Hepatic impairment may increase drug exposure and toxicity
D. Liver function has no relationship to medication metabolism
Answer: C. Hepatic impairment may increase drug exposure and toxicity
13. A patient with advanced renal disease is prescribed a medication that is
primarily eliminated by the kidneys. Which nursing concern is most
appropriate?
A. The drug may accumulate if renal clearance is impaired
B. The medication will always be completely eliminated immediately
pg. 4
