NR 566 Pharmacology and Treatment Exam Questions With
Accurate Answers 100% Guarantee Pass 2026/2027
Chamberlain
1. Describe the process and purpose of ear irrigation in the treatment of
cerumen impaction.
Ear irrigation is a method to introduce medication into the ear canal.
Ear irrigation is used to treat infections in the ear.
Ear irrigation is a surgical procedure to remove earwax.
Ear irrigation involves flushing the ear canal with water to remove
excess earwax.
2. Describe how glucocorticoids help manage allergic reactions in patients.
Glucocorticoids promote the production of antibodies against
allergens.
Glucocorticoids enhance the immune response to allergens.
Glucocorticoids increase the sensitivity of tissues to allergens.
Glucocorticoids help manage allergic reactions by suppressing the
immune response and reducing inflammation.
3. The drug with the BEST activity against an ASPERGILLUS infection is:
voriconazole
terconazole
ketoconazole
fluconazole
,4. Describe the mechanism of action of Voriconazole and its significance in
treating fungal infections.
Voriconazole inhibits fungal ergosterol synthesis, which is crucial
for maintaining fungal cell membrane integrity.
Voriconazole enhances the production of fungal DNA, promoting
fungal growth.
Voriconazole disrupts the cell wall of fungi, leading to their
destruction.
Voriconazole blocks protein synthesis in bacteria, making it effective
against bacterial infections.
5. What is a key side effect of Isotretinoin that patients should be informed
about?
Teratogenic effects
Drowsiness
Hair loss
Increased appetite
6. What is a key characteristic that distinguishes first-generation antihistamines
from second-generation antihistamines?
First-generation antihistamines cause sedation.
Second-generation antihistamines have more side effects.
Second-generation antihistamines are more effective.
First-generation antihistamines are non-sedating.
,7. If a patient frequently experiences excessive cerumen buildup, what
preventive measure could be recommended?
Using cotton swabs to clean the ears at home
Avoiding all forms of earwax
Using ear drops without consulting a doctor
Regular ear cleaning by a healthcare professional
8. An important component of education for a patient with a new prescription
for metronidazole is that:
the skin is the principal site of drug excretion.
the drug is safe throughout pregnancy.
the drug is taken once daily.
the patient should not use any form of alcohol while taking the
medication.
9. Which drug classes are known to have cross-sensitivity reactions with
Penicillin?
Cephalosporins and Carbapenems
Macrolides and Lincosamides
Sulfonamides and Quinolones
Aminoglycosides and Tetracyclines
10. A patient with severe allergic rhinitis is prescribed glucocorticoids. What
outcome should the healthcare provider expect from this treatment?
Increased nasal congestion and difficulty breathing
No change in symptoms
, Increased production of mucus
Decreased nasal inflammation and improved breathing
11. Antihistamines have which mechanism?
Block receptors
Inhibit T cells
Block degranulation
Inactivate IgE
12. A nurse is teaching a client about using intranasal glucocorticoids. What
should they include?
Take the drug as needed for nasal congestion.
Allow at least 2 weeks for the full therapeutic effect.
Use the drug prior to exercise.
Start at a low dose and gradually increase it.
13. Describe how the severity of acne symptoms influences the choice of
treatment.
Mild acne can be treated with isotretinoin, while severe cases require
topical treatments.
All acne cases are treated the same regardless of severity.
Severe acne is treated only with over-the-counter medications.
The severity of acne symptoms determines the treatment choice,
with more severe cases often requiring systemic therapies like
isotretinoin.
Accurate Answers 100% Guarantee Pass 2026/2027
Chamberlain
1. Describe the process and purpose of ear irrigation in the treatment of
cerumen impaction.
Ear irrigation is a method to introduce medication into the ear canal.
Ear irrigation is used to treat infections in the ear.
Ear irrigation is a surgical procedure to remove earwax.
Ear irrigation involves flushing the ear canal with water to remove
excess earwax.
2. Describe how glucocorticoids help manage allergic reactions in patients.
Glucocorticoids promote the production of antibodies against
allergens.
Glucocorticoids enhance the immune response to allergens.
Glucocorticoids increase the sensitivity of tissues to allergens.
Glucocorticoids help manage allergic reactions by suppressing the
immune response and reducing inflammation.
3. The drug with the BEST activity against an ASPERGILLUS infection is:
voriconazole
terconazole
ketoconazole
fluconazole
,4. Describe the mechanism of action of Voriconazole and its significance in
treating fungal infections.
Voriconazole inhibits fungal ergosterol synthesis, which is crucial
for maintaining fungal cell membrane integrity.
Voriconazole enhances the production of fungal DNA, promoting
fungal growth.
Voriconazole disrupts the cell wall of fungi, leading to their
destruction.
Voriconazole blocks protein synthesis in bacteria, making it effective
against bacterial infections.
5. What is a key side effect of Isotretinoin that patients should be informed
about?
Teratogenic effects
Drowsiness
Hair loss
Increased appetite
6. What is a key characteristic that distinguishes first-generation antihistamines
from second-generation antihistamines?
First-generation antihistamines cause sedation.
Second-generation antihistamines have more side effects.
Second-generation antihistamines are more effective.
First-generation antihistamines are non-sedating.
,7. If a patient frequently experiences excessive cerumen buildup, what
preventive measure could be recommended?
Using cotton swabs to clean the ears at home
Avoiding all forms of earwax
Using ear drops without consulting a doctor
Regular ear cleaning by a healthcare professional
8. An important component of education for a patient with a new prescription
for metronidazole is that:
the skin is the principal site of drug excretion.
the drug is safe throughout pregnancy.
the drug is taken once daily.
the patient should not use any form of alcohol while taking the
medication.
9. Which drug classes are known to have cross-sensitivity reactions with
Penicillin?
Cephalosporins and Carbapenems
Macrolides and Lincosamides
Sulfonamides and Quinolones
Aminoglycosides and Tetracyclines
10. A patient with severe allergic rhinitis is prescribed glucocorticoids. What
outcome should the healthcare provider expect from this treatment?
Increased nasal congestion and difficulty breathing
No change in symptoms
, Increased production of mucus
Decreased nasal inflammation and improved breathing
11. Antihistamines have which mechanism?
Block receptors
Inhibit T cells
Block degranulation
Inactivate IgE
12. A nurse is teaching a client about using intranasal glucocorticoids. What
should they include?
Take the drug as needed for nasal congestion.
Allow at least 2 weeks for the full therapeutic effect.
Use the drug prior to exercise.
Start at a low dose and gradually increase it.
13. Describe how the severity of acne symptoms influences the choice of
treatment.
Mild acne can be treated with isotretinoin, while severe cases require
topical treatments.
All acne cases are treated the same regardless of severity.
Severe acne is treated only with over-the-counter medications.
The severity of acne symptoms determines the treatment choice,
with more severe cases often requiring systemic therapies like
isotretinoin.
