2026 NURS 240: PHARMACOLOGY
EXAM 4 WITH 120 PRACTICE
QUESTIONS AND VERIFIED CORRECT
ANSWERS | GRADED A+ | GUARANTEED
PASS | MCQS | NURS 240
PHARMACOLOGY ACTUAL EXAM
[LATEST VERSION 2026]
When giving dextromethorphan, the nurse understands that this drug suppresses
the cough reflex by which mechanism of action?
a. Causing depression of the central nervous system
b. Anesthetizing the stretch receptors
c. Having direct action on the cough center
d. Decreasing the viscosity of the bronchial secretions
c. Having direct action on the cough center
During a routine checkup, a patient states that she is unable to take the prescribed
antihistamine because of one of its most common adverse effects. The nurse
suspects that which adverse effect has been bothering this patient?
a. Constipation
b. Abdominal cramps
,c. Drowsiness
d. Decreased libido
c. Drowsiness
A gardener needs a decongestant because of sinus problems and asks the nurse
whether he should take an oral form or a nasal spray. Which of these is a benefit of
orally administered decongestants?
a. Immediate onset
b. A more potent effect
c. Lack of rebound congestion
d. Shorter duration
c. Lack of rebound congestion
A patient is prescribed a decongestant nasal spray that contains oxymetazoline.
What will the nurse teach the patient?
a. Take this drug at bedtime because it may cause drowsiness.
b. Directly spray the medication away from the nasal septum and gently sniff.
c. This drug may be used in maintenance treatment for asthma.
d. Limit use of the drug to 3 days to prevent rebound nasal congestion.
d. Limit use of the drug to 3 days to prevent rebound nasal congestion.
A patient has been prescribed guaifenesin. The nurse understands that the purpose
of the drug is to accomplish what?
,a. Treat allergic rhinitis and prevent motion sickness
b. Loosen bronchial secretions so coughing can eliminate them
c. Compete with histamine for receptor sites, thus preventing a histamine response
d. Stimulate alpha-adrenergic receptors, thus producing vascular constriction of
capillaries in nasal mucosa
b. Loosen bronchial secretions so coughing can eliminate them
Beclomethasone has been prescribed for a patient with allergic rhinitis. What
should the nurse teach the patient regarding this medication?
a. This may be used for an acute attack.
b. An oral form is available if the patient prefers to use it.
c. Avoid large amounts of caffeine intake because an increased heart rate may
occur.
d. With continuous use, dryness of the nasal mucosa/lining may occur.
d. With continuous use, dryness of the nasal mucosa/lining may occur.
The nurse is teaching a patient about diphenhydramine. Which instructions should
the nurse include in the patient's teaching plan? (Select all that apply.)
, a. Take medication on an empty stomach to facilitate absorption.
b. Avoid alcohol and other central nervous system depressants.
c. Notify a health care provider if confusion or hypotension occurs.
d. Use sugarless candy, gum, or ice chips for temporary relief of dry mouth.
e. Avoid handling dangerous equipment or performing dangerous activities until
stabilized on the medication.
b. Avoid alcohol and other central nervous system depressants.
c. Notify a health care provider if confusion or hypotension occurs.
d. Use sugarless candy, gum, or ice chips for temporary relief of dry mouth.
e. Avoid handling dangerous equipment or performing dangerous activities until
stabilized on the medication.
Decongestants are contraindicated or to be used with extreme caution for patients
with which condition? (Select all that apply.)
a. Cardiac disease
b. Diabetes mellitus
c. Hypertension
d. Hyperthyroidism
e. Obesity
a. Cardiac disease
b. Diabetes mellitus
c. Hypertension
d. Hyperthyroidism
EXAM 4 WITH 120 PRACTICE
QUESTIONS AND VERIFIED CORRECT
ANSWERS | GRADED A+ | GUARANTEED
PASS | MCQS | NURS 240
PHARMACOLOGY ACTUAL EXAM
[LATEST VERSION 2026]
When giving dextromethorphan, the nurse understands that this drug suppresses
the cough reflex by which mechanism of action?
a. Causing depression of the central nervous system
b. Anesthetizing the stretch receptors
c. Having direct action on the cough center
d. Decreasing the viscosity of the bronchial secretions
c. Having direct action on the cough center
During a routine checkup, a patient states that she is unable to take the prescribed
antihistamine because of one of its most common adverse effects. The nurse
suspects that which adverse effect has been bothering this patient?
a. Constipation
b. Abdominal cramps
,c. Drowsiness
d. Decreased libido
c. Drowsiness
A gardener needs a decongestant because of sinus problems and asks the nurse
whether he should take an oral form or a nasal spray. Which of these is a benefit of
orally administered decongestants?
a. Immediate onset
b. A more potent effect
c. Lack of rebound congestion
d. Shorter duration
c. Lack of rebound congestion
A patient is prescribed a decongestant nasal spray that contains oxymetazoline.
What will the nurse teach the patient?
a. Take this drug at bedtime because it may cause drowsiness.
b. Directly spray the medication away from the nasal septum and gently sniff.
c. This drug may be used in maintenance treatment for asthma.
d. Limit use of the drug to 3 days to prevent rebound nasal congestion.
d. Limit use of the drug to 3 days to prevent rebound nasal congestion.
A patient has been prescribed guaifenesin. The nurse understands that the purpose
of the drug is to accomplish what?
,a. Treat allergic rhinitis and prevent motion sickness
b. Loosen bronchial secretions so coughing can eliminate them
c. Compete with histamine for receptor sites, thus preventing a histamine response
d. Stimulate alpha-adrenergic receptors, thus producing vascular constriction of
capillaries in nasal mucosa
b. Loosen bronchial secretions so coughing can eliminate them
Beclomethasone has been prescribed for a patient with allergic rhinitis. What
should the nurse teach the patient regarding this medication?
a. This may be used for an acute attack.
b. An oral form is available if the patient prefers to use it.
c. Avoid large amounts of caffeine intake because an increased heart rate may
occur.
d. With continuous use, dryness of the nasal mucosa/lining may occur.
d. With continuous use, dryness of the nasal mucosa/lining may occur.
The nurse is teaching a patient about diphenhydramine. Which instructions should
the nurse include in the patient's teaching plan? (Select all that apply.)
, a. Take medication on an empty stomach to facilitate absorption.
b. Avoid alcohol and other central nervous system depressants.
c. Notify a health care provider if confusion or hypotension occurs.
d. Use sugarless candy, gum, or ice chips for temporary relief of dry mouth.
e. Avoid handling dangerous equipment or performing dangerous activities until
stabilized on the medication.
b. Avoid alcohol and other central nervous system depressants.
c. Notify a health care provider if confusion or hypotension occurs.
d. Use sugarless candy, gum, or ice chips for temporary relief of dry mouth.
e. Avoid handling dangerous equipment or performing dangerous activities until
stabilized on the medication.
Decongestants are contraindicated or to be used with extreme caution for patients
with which condition? (Select all that apply.)
a. Cardiac disease
b. Diabetes mellitus
c. Hypertension
d. Hyperthyroidism
e. Obesity
a. Cardiac disease
b. Diabetes mellitus
c. Hypertension
d. Hyperthyroidism
