Question

A patient is taking cefadroxil (Duricef) and comes to the office complaining of loose stools for the past 3 days. The patient reports having 6-8 watery stools daily. The NP assesses the patient: vital signs are normal and there are no signs/symptoms of dehydration. What is the next best intervention by the NP?

Answer 1

Correct Answers:

Order a test for clostridium difficile associated diarrhea

Rationale :

🔬C. difficile is a serious complication of antibiotic use, especially with broad-spectrum agents like cefadroxil.

⚠️The presence of watery stools persisting for 3 days raises concern for C. difficile–associated diarrhea, even in the absence of dehydration.

📋It is essential to confirm the diagnosis early with a stool test, as timely treatment can prevent severe colitis.

🧪Discontinuation of the antibiotic may be needed later, but diagnostic confirmation is the priority action.

📌Core Message

Always consider C. difficile testing when persistent diarrhea occurs after antibiotic therapy to avoid delayed diagnosis of a potentially life-threatening condition.

Answer 2

Correct Answers:

An infant with a cold can be immunized as long as the infant's temperature is < 100.4°F

Rationale :

🌡️Mild upper respiratory infections (URIs) with low-grade fever (below 100.4°F) do not contraindicate immunizations.

🩺Delaying vaccines unnecessarily increases risk for preventable diseases and affects the child’s schedule.

💉The CDC and AAP recommend that children with minor illnesses and normal behavior should continue with immunization.

🧼The infant in question is feeding well, not irritable, and has mild symptoms, supporting vaccine safety at this time.

📌Core Message

An infant with mild illness and low-grade fever can safely receive scheduled immunizations without delay.

Answer 3

Correct Answers:

Increased risk of asthma-related deaths when LABAs are used

Rationale :

🚫LABAs, when used without an inhaled corticosteroid, have been associated with asthma-related deaths.

📄This led the FDA to issue a boxed warning emphasizing that LABAs should not be used as monotherapy for asthma.

📊The risk is believed to result from masking of worsening airway inflammation, leading to delayed rescue or escalation.

🔄They should always be used in combination with ICS in asthma management to reduce this risk.

📌Core Message

LABAs must be combined with ICS to reduce the FDA-recognized risk of asthma-related mortality.

Answer 4

Correct Answers:

Glucagon-like peptide-1 (GLP-1) agonists

Rationale :

❗GLP-1 receptor agonists like liraglutide carry a boxed warning for increased risk of medullary thyroid carcinoma (MTC).

📋This warning is based on rodent studies where GLP-1 agonists were associated with C-cell tumors in the thyroid.

🔍Patients with personal or family history of MTC or multiple endocrine neoplasia syndrome type 2 (MEN2) should not take GLP-1 agonists.

🧫This is a strict contraindication and must be screened for before initiating therapy.

📌Core Message

GLP-1 receptor agonists are contraindicated in those with medullary thyroid cancer due to cancer risk warnings.

Answer 5

Correct Answers:

Rocephin (Ceftriaxone)

Rationale :

🔬Ceftriaxone is the first-line treatment for gonorrhea per CDC guidelines.

🧫It provides effective coverage for Neisseria gonorrhoeae, including resistant strains.

🧷It is often used in combination with doxycycline or azithromycin to cover co-infection with chlamydia.

💉A single IM dose of ceftriaxone is effective and widely used in outpatient and ED settings.

📌Core Message

Ceftriaxone (Rocephin) is the recommended treatment for gonorrhea due to its efficacy and resistance profile.

Answer 6

Correct Answers:

6-8 weeks

Rationale :

⏳Levothyroxine dose changes require 6–8 weeks to stabilize due to the long half-life of the hormone (~7 days).

📊TSH levels take several weeks to reflect thyroid hormone changes accurately.

🩺Testing too early may mislead dose titration, while waiting too long may delay effective symptom control.

📅The standard practice is to recheck TSH and free T4 after 6–8 weeks to guide further management.

📌Core Message

TSH monitoring after levothyroxine initiation is optimally done at 6–8 weeks due to its delayed feedback response.

Answer 7

Correct Answers:

This combination can mask the signs and symptoms of hypoglycemia

Rationale :

😓Beta-blockers can blunt adrenergic symptoms like tremor, tachycardia, and anxiety that alert to hypoglycemia.

🍺Alcohol also lowers blood glucose and may worsen unrecognized hypoglycemia, especially when combined with insulin.

💡Patients may not recognize low glucose levels, leading to dangerous hypoglycemic events.

⚠️This triad is especially concerning in diabetics who rely on symptom awareness to self-treat hypoglycemia.

📌Core Message

The combination of beta-blockers, insulin, and alcohol can mask hypoglycemia, putting the patient at serious risk.

Answer 8

Correct Answers:

Use beclomethasone daily to treat your asthma

Rationale :

🗓️Beclomethasone is an inhaled corticosteroid (ICS) and should be used daily to reduce airway inflammation.

🌬️ICSs are the cornerstone for managing persistent asthma, unlike albuterol, which is a rescue medication.

📚Patient education must stress daily adherence, even when asymptomatic, to prevent flare-ups.

💊Using ICS daily improves asthma control, reduces exacerbations, and decreases reliance on rescue inhalers.

📌Core Message

Daily use of inhaled corticosteroids like beclomethasone is key in managing persistent asthma effectively.

Answer 9

Correct Answers:

Varicella vaccine (if no history of chicken pox)
TDaP Vaccine
Meningococcal vaccine
MMR vaccine

Rationale :

📋A 15-year-old without immunization records is considered unimmunized and needs catch-up vaccinations.

💉MMR, TDaP, varicella (if no history), and meningococcal vaccines are part of routine catch-up immunizations for this age group.

❌Rotavirus is only given to infants younger than 8 months, so it is not applicable for a 15-year-old.

🏫These vaccines are necessary for school entry and community protection.

📌Core Message

A 15-year-old with no vaccine record needs MMR, TDaP, Varicella, and Meningococcal vaccines as part of catch-up immunization.

Answer 10

Correct Answers:

Fluoxetine (Prozac)

Rationale :

👧Fluoxetine is the only FDA-approved SSRI for pediatric depression in children aged 8 and older.

⚕️It has been well studied and has a favorable risk-benefit profile in this population.

❌Paroxetine and venlafaxine are not first-line due to concerns of suicidality and poor tolerability in adolescents.

📚Fluoxetine is the first-line pharmacologic option for pediatric major depressive disorder.

📌Core Message

Fluoxetine is the preferred and FDA-approved SSRI for treating depression in children, ensuring both efficacy and safety.

RN Pharmacology 2025 Exam-2

No.

3 :
Long-acting beta agonists (LABAs) must display a boxed warning from the U.S. Food and Drug Administration due to the:

4 :
Which of the following medications is contraindicated in a patient with medullary thyroid cancer?

5 :
The nurse practitioner (NP) has diagnosed a patient with gonorrhea. The NP knows that first-line treatment for gonorrhea should be which of the following?

6 :
A patient who has initiated levothyroxine (Synthroid) therapy for hypothyroidism is asked to return for blood work to monitor for effectiveness. When should the patient return for a repeat thyroid-stimulating hormone (TSH) level?

7 :
The nurse practitioner (NP) is seeing a patient who is on a beta-blocker and insulin. The patient also admits to drinking 4-5 beers at dinnertime and in the evening. What should the NP know about potential interactions between insulin and beta-blockers and alcohol?

8 :
A patient with exercise-induced and mild persistent asthma is prescribed two puffs of albuterol 15 minutes before exercise and as needed for wheezing. One puff per day of beclomethasone (Qvar) is also prescribed. Teaching regarding her inhaler includes:

10 :
The primary care nurse practitioner is evaluating a 10-year-old child with a new diagnosis of depression. Which of the following medications is the most appropriate initial treatment?

RN Pharmacology 2025 Exam-2

No.

3 : Long-acting beta agonists (LABAs) must display a boxed warning from the U.S. Food and Drug Administration due to the:

4 : Which of the following medications is contraindicated in a patient with medullary thyroid cancer?

5 : The nurse practitioner (NP) has diagnosed a patient with gonorrhea. The NP knows that first-line treatment for gonorrhea should be which of the following?

6 : A patient who has initiated levothyroxine (Synthroid) therapy for hypothyroidism is asked to return for blood work to monitor for effectiveness. When should the patient return for a repeat thyroid-stimulating hormone (TSH) level?

7 : The nurse practitioner (NP) is seeing a patient who is on a beta-blocker and insulin. The patient also admits to drinking 4-5 beers at dinnertime and in the evening. What should the NP know about potential interactions between insulin and beta-blockers and alcohol?

8 : A patient with exercise-induced and mild persistent asthma is prescribed two puffs of albuterol 15 minutes before exercise and as needed for wheezing. One puff per day of beclomethasone (Qvar) is also prescribed. Teaching regarding her inhaler includes:

10 : The primary care nurse practitioner is evaluating a 10-year-old child with a new diagnosis of depression. Which of the following medications is the most appropriate initial treatment?

3 :
Long-acting beta agonists (LABAs) must display a boxed warning from the U.S. Food and Drug Administration due to the:

4 :
Which of the following medications is contraindicated in a patient with medullary thyroid cancer?

5 :
The nurse practitioner (NP) has diagnosed a patient with gonorrhea. The NP knows that first-line treatment for gonorrhea should be which of the following?

6 :
A patient who has initiated levothyroxine (Synthroid) therapy for hypothyroidism is asked to return for blood work to monitor for effectiveness. When should the patient return for a repeat thyroid-stimulating hormone (TSH) level?

7 :
The nurse practitioner (NP) is seeing a patient who is on a beta-blocker and insulin. The patient also admits to drinking 4-5 beers at dinnertime and in the evening. What should the NP know about potential interactions between insulin and beta-blockers and alcohol?

8 :
A patient with exercise-induced and mild persistent asthma is prescribed two puffs of albuterol 15 minutes before exercise and as needed for wheezing. One puff per day of beclomethasone (Qvar) is also prescribed. Teaching regarding her inhaler includes:

10 :
The primary care nurse practitioner is evaluating a 10-year-old child with a new diagnosis of depression. Which of the following medications is the most appropriate initial treatment?