NR 568 Midterm Reviewer: (Latest 2026/2027 Update) Antibiotics, Antifungals,
Antiretrovirals & Pharmacotherapeutics | Q&A | Grade A | 100% Correct
(Verified Answers) – Nursing Program
Subject: NR 568 Midterm Review – Penicillins, Cephalosporins, Carbapenems, Vancomycin,
Tetracyclines, Macrolides, Aminoglycosides, Sulfonamides, Antifungals, Antiretrovirals, Anthelmintics,
and Treatment Guidelines
Source: NR 568 Course Materials / Latest 2026/2027 NCLEX/HESI Pharmacology Blueprint
Format: Q&A Guide with Rationale
1: What is the primary monitoring parameter for a patient receiving penicillin therapy?
Correct Answer: Renal impairment because penicillin can accumulate if the kidney is not working,
causing toxic levels
1. Penicillins are primarily excreted renally; impaired kidney function leads to drug accumulation
and increased risk of neurotoxicity (seizures) and other adverse effects.
2. Monitor serum creatinine and BUN in patients with renal disease; dosage adjustment is
required when CrCl is below 30 mL/min.
3. Common wrong answer: monitoring liver function is not routinely required for penicillins
unless the patient has pre-existing hepatic disease.
2: Which patients are at high risk for adverse reactions when prescribed penicillin?
Correct Answer: Patients with history of severe allergic reactions to penicillin, cephalosporin, or
carbapenems
1. Cross-sensitivity among beta-lactam antibiotics (penicillins, cephalosporins, carbapenems)
occurs in up to 10% of patients with penicillin allergy.
2. Severe allergic reactions include anaphylaxis, Stevens-Johnson syndrome, and DRESS
syndrome.
3. Alternative antibiotics (macrolides, tetracyclines, or vancomycin) should be considered in these
high-risk patients.
3: How does the nurse evaluate therapeutic effects of penicillin therapy?
Correct Answer: Reduction of symptoms like fever, edema, pain, and inflammation
1. Resolution of infection is evidenced by decreasing fever, normalization of WBC count, and
improvement in localized signs of inflammation.
2. For specific infections (e.g., pneumonia), improved oxygenation and decreased sputum
production indicate therapeutic response.
3. Failure of symptom resolution after 48-72 hours suggests resistant organism or incorrect
antibiotic selection.
,4: What is the therapeutic goal for cephalosporin therapy?
Correct Answer: Treatment of infection caused by susceptible organisms
1. Cephalosporins are bactericidal agents effective against a wide range of gram-positive and
gram-negative bacteria.
2. Susceptibility testing guides appropriate cephalosporin selection based on generation (1st
through 5th).
3. Empiric therapy may be initiated before culture results, then narrowed based on sensitivity
data.
5: What baseline data should be obtained before starting cephalosporin therapy?
Correct Answer: Take samples for culture to identify the infecting organism
1. Cultures identify the pathogen and determine antibiotic susceptibility, ensuring appropriate
therapy.
2. Common culture sites include blood, urine, sputum, or wound depending on infection location.
3. Empiric therapy should not delay cultures, but cultures must be obtained before antibiotic
administration for accurate results.
6: What routine laboratory monitoring is recommended for patients receiving cephalosporins?
Correct Answer: None. No routine lab monitoring is suggested.
1. Cephalosporins have a favorable safety profile and do not routinely require therapeutic drug
monitoring.
2. However, patients with pre-existing renal impairment or those on high-dose therapy may need
renal function monitoring.
3. Prolonged therapy may warrant periodic CBC and renal function tests to detect rare adverse
effects.
7: Which patients are considered high risk when prescribed cephalosporins?
Correct Answer: Patients with history of allergic reactions to cephalosporins, penicillins, or
carbapenems
1. Cross-reactivity among beta-lactam antibiotics can occur; about 1-2% of penicillin-allergic
patients react to cephalosporins.
2. Patients with anaphylactic reaction to any beta-lactam should generally avoid cephalosporins
unless desensitization is performed.
3. Skin testing may help determine true allergy risk in select cases.
, 8: How does the nurse evaluate therapeutic effects of cephalosporin therapy?
Correct Answer: Reduction of symptoms like fever, pain, edema, and inflammation
1. Clinical improvement typically occurs within 48-72 hours of initiating appropriate
cephalosporin therapy.
2. Objective measures include normalization of vital signs, decreased WBC count, and resolution
of infection-specific findings.
3. Lack of improvement warrants reassessment of antibiotic choice and consideration of resistant
organisms.
9: How can the nurse minimize adverse effects of cephalosporin therapy?
Correct Answer: Because it can promote C-diff, instruct patients to report increase in stool frequency
1. Cephalosporins, particularly broad-spectrum agents, disrupt normal gut flora and increase risk
of Clostridioides difficile infection.
2. Patients should report any increase in stool frequency, watery diarrhea, or abdominal cramping
during or after antibiotic therapy.
3. Early recognition of C-diff allows prompt treatment and reduces risk of severe complications
like toxic megacolon.
10: What baseline data should be obtained before starting carbapenem therapy?
Correct Answer: Take samples for culture to determine the infecting organism
1. Carbapenems are broad-spectrum antibiotics reserved for serious infections; cultures confirm
the pathogen and susceptibility.
2. Appropriate cultures prevent unnecessary broad-spectrum use and reduce resistance
development.
3. Baseline renal function is also recommended as carbapenems are renally excreted.
11: What routine monitoring is recommended for patients receiving carbapenems?
Correct Answer: None. Nothing is recommended.
1. Carbapenems do not require routine therapeutic drug monitoring in patients with normal renal
function.
2. However, patients with renal impairment require dosage adjustment based on creatinine
clearance.
3. Monitor for signs of seizure activity, as imipenem has been associated with seizure risk,
especially in patients with CNS lesions.
Antiretrovirals & Pharmacotherapeutics | Q&A | Grade A | 100% Correct
(Verified Answers) – Nursing Program
Subject: NR 568 Midterm Review – Penicillins, Cephalosporins, Carbapenems, Vancomycin,
Tetracyclines, Macrolides, Aminoglycosides, Sulfonamides, Antifungals, Antiretrovirals, Anthelmintics,
and Treatment Guidelines
Source: NR 568 Course Materials / Latest 2026/2027 NCLEX/HESI Pharmacology Blueprint
Format: Q&A Guide with Rationale
1: What is the primary monitoring parameter for a patient receiving penicillin therapy?
Correct Answer: Renal impairment because penicillin can accumulate if the kidney is not working,
causing toxic levels
1. Penicillins are primarily excreted renally; impaired kidney function leads to drug accumulation
and increased risk of neurotoxicity (seizures) and other adverse effects.
2. Monitor serum creatinine and BUN in patients with renal disease; dosage adjustment is
required when CrCl is below 30 mL/min.
3. Common wrong answer: monitoring liver function is not routinely required for penicillins
unless the patient has pre-existing hepatic disease.
2: Which patients are at high risk for adverse reactions when prescribed penicillin?
Correct Answer: Patients with history of severe allergic reactions to penicillin, cephalosporin, or
carbapenems
1. Cross-sensitivity among beta-lactam antibiotics (penicillins, cephalosporins, carbapenems)
occurs in up to 10% of patients with penicillin allergy.
2. Severe allergic reactions include anaphylaxis, Stevens-Johnson syndrome, and DRESS
syndrome.
3. Alternative antibiotics (macrolides, tetracyclines, or vancomycin) should be considered in these
high-risk patients.
3: How does the nurse evaluate therapeutic effects of penicillin therapy?
Correct Answer: Reduction of symptoms like fever, edema, pain, and inflammation
1. Resolution of infection is evidenced by decreasing fever, normalization of WBC count, and
improvement in localized signs of inflammation.
2. For specific infections (e.g., pneumonia), improved oxygenation and decreased sputum
production indicate therapeutic response.
3. Failure of symptom resolution after 48-72 hours suggests resistant organism or incorrect
antibiotic selection.
,4: What is the therapeutic goal for cephalosporin therapy?
Correct Answer: Treatment of infection caused by susceptible organisms
1. Cephalosporins are bactericidal agents effective against a wide range of gram-positive and
gram-negative bacteria.
2. Susceptibility testing guides appropriate cephalosporin selection based on generation (1st
through 5th).
3. Empiric therapy may be initiated before culture results, then narrowed based on sensitivity
data.
5: What baseline data should be obtained before starting cephalosporin therapy?
Correct Answer: Take samples for culture to identify the infecting organism
1. Cultures identify the pathogen and determine antibiotic susceptibility, ensuring appropriate
therapy.
2. Common culture sites include blood, urine, sputum, or wound depending on infection location.
3. Empiric therapy should not delay cultures, but cultures must be obtained before antibiotic
administration for accurate results.
6: What routine laboratory monitoring is recommended for patients receiving cephalosporins?
Correct Answer: None. No routine lab monitoring is suggested.
1. Cephalosporins have a favorable safety profile and do not routinely require therapeutic drug
monitoring.
2. However, patients with pre-existing renal impairment or those on high-dose therapy may need
renal function monitoring.
3. Prolonged therapy may warrant periodic CBC and renal function tests to detect rare adverse
effects.
7: Which patients are considered high risk when prescribed cephalosporins?
Correct Answer: Patients with history of allergic reactions to cephalosporins, penicillins, or
carbapenems
1. Cross-reactivity among beta-lactam antibiotics can occur; about 1-2% of penicillin-allergic
patients react to cephalosporins.
2. Patients with anaphylactic reaction to any beta-lactam should generally avoid cephalosporins
unless desensitization is performed.
3. Skin testing may help determine true allergy risk in select cases.
, 8: How does the nurse evaluate therapeutic effects of cephalosporin therapy?
Correct Answer: Reduction of symptoms like fever, pain, edema, and inflammation
1. Clinical improvement typically occurs within 48-72 hours of initiating appropriate
cephalosporin therapy.
2. Objective measures include normalization of vital signs, decreased WBC count, and resolution
of infection-specific findings.
3. Lack of improvement warrants reassessment of antibiotic choice and consideration of resistant
organisms.
9: How can the nurse minimize adverse effects of cephalosporin therapy?
Correct Answer: Because it can promote C-diff, instruct patients to report increase in stool frequency
1. Cephalosporins, particularly broad-spectrum agents, disrupt normal gut flora and increase risk
of Clostridioides difficile infection.
2. Patients should report any increase in stool frequency, watery diarrhea, or abdominal cramping
during or after antibiotic therapy.
3. Early recognition of C-diff allows prompt treatment and reduces risk of severe complications
like toxic megacolon.
10: What baseline data should be obtained before starting carbapenem therapy?
Correct Answer: Take samples for culture to determine the infecting organism
1. Carbapenems are broad-spectrum antibiotics reserved for serious infections; cultures confirm
the pathogen and susceptibility.
2. Appropriate cultures prevent unnecessary broad-spectrum use and reduce resistance
development.
3. Baseline renal function is also recommended as carbapenems are renally excreted.
11: What routine monitoring is recommended for patients receiving carbapenems?
Correct Answer: None. Nothing is recommended.
1. Carbapenems do not require routine therapeutic drug monitoring in patients with normal renal
function.
2. However, patients with renal impairment require dosage adjustment based on creatinine
clearance.
3. Monitor for signs of seizure activity, as imipenem has been associated with seizure risk,
especially in patients with CNS lesions.
