FOCUS ON NURSING PHARMACOLOGY
ANTIBIOTICS
Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 50 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks
1. What are aminoglycosides primarily used to treat?
A. Viral infections
B. Fungal infections
C. Gram-positive infections
D. Serious gram-negative infections
Answer: D
EXPLANATION: Aminoglycosides are powerful bactericidal antibiotics used for serious
infections caused by aerobic gram-negative bacilli.
2. Which of the following is NOT an aminoglycoside?
A. Amikacin
B. Gentamicin
C. Neomycin
D. Ceftriaxone
Answer: D
EXPLANATION: Ceftriaxone is a cephalosporin, not an aminoglycoside.
3. Aminoglycosides include which of the following drugs?
A. Vancomycin
B. Penicillin
C. Streptomycin
D. Ciprofloxacin
Answer: C
EXPLANATION: Streptomycin is a classic aminoglycoside used for tuberculosis and other
serious infections.
4. Antibiotics classified as bacteriostatic work by:
A. Killing bacteria directly
B. Destroying viral RNA
C. Preventing bacterial growth
D. Enhancing antibody production
Answer: C
EXPLANATION: Bacteriostatic antibiotics inhibit the growth and reproduction of bacteria
rather than killing them outright.
, 5. Which statement best describes bactericidal antibiotics?
A. They suppress immune response
B. They inhibit cell wall synthesis
C. They kill bacteria directly
D. They promote tissue healing
Answer: C
EXPLANATION: Bactericidal drugs directly eliminate bacteria, as opposed to merely
inhibiting their growth.
6. Aminoglycosides are effective against which bacteria?
A. Staphylococcus aureus
B. Pseudomonas aeruginosa
C. E. coli
D. All of the above
Answer: D
EXPLANATION: Aminoglycosides treat a wide range of gram-negative organisms, including
the ones listed.
7. Why are aminoglycosides used when penicillin is contraindicated?
A. They have fewer side effects
B. They are cheaper
C. They are effective alternatives for serious infections
D. They are orally absorbed
Answer: C
EXPLANATION: When penicillin cannot be used, aminoglycosides serve as potent alternatives
for life-threatening infections.
8. Can aminoglycosides be used before culture and sensitivity results?
A. No, they must be withheld
B. Only if oral form is available
C. Yes, in severe infections
D. Only with antiviral drugs
Answer: C
EXPLANATION: In critical conditions, aminoglycosides may be initiated empirically before
lab confirmation.
9. How are aminoglycosides absorbed when given orally?
A. Rapidly
B. Poorly
C. Immediately
D. Completely
Answer: B
EXPLANATION: Aminoglycosides are poorly absorbed from the gastrointestinal tract and are
usually given IM or IV.
ANTIBIOTICS
Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 50 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks
1. What are aminoglycosides primarily used to treat?
A. Viral infections
B. Fungal infections
C. Gram-positive infections
D. Serious gram-negative infections
Answer: D
EXPLANATION: Aminoglycosides are powerful bactericidal antibiotics used for serious
infections caused by aerobic gram-negative bacilli.
2. Which of the following is NOT an aminoglycoside?
A. Amikacin
B. Gentamicin
C. Neomycin
D. Ceftriaxone
Answer: D
EXPLANATION: Ceftriaxone is a cephalosporin, not an aminoglycoside.
3. Aminoglycosides include which of the following drugs?
A. Vancomycin
B. Penicillin
C. Streptomycin
D. Ciprofloxacin
Answer: C
EXPLANATION: Streptomycin is a classic aminoglycoside used for tuberculosis and other
serious infections.
4. Antibiotics classified as bacteriostatic work by:
A. Killing bacteria directly
B. Destroying viral RNA
C. Preventing bacterial growth
D. Enhancing antibody production
Answer: C
EXPLANATION: Bacteriostatic antibiotics inhibit the growth and reproduction of bacteria
rather than killing them outright.
, 5. Which statement best describes bactericidal antibiotics?
A. They suppress immune response
B. They inhibit cell wall synthesis
C. They kill bacteria directly
D. They promote tissue healing
Answer: C
EXPLANATION: Bactericidal drugs directly eliminate bacteria, as opposed to merely
inhibiting their growth.
6. Aminoglycosides are effective against which bacteria?
A. Staphylococcus aureus
B. Pseudomonas aeruginosa
C. E. coli
D. All of the above
Answer: D
EXPLANATION: Aminoglycosides treat a wide range of gram-negative organisms, including
the ones listed.
7. Why are aminoglycosides used when penicillin is contraindicated?
A. They have fewer side effects
B. They are cheaper
C. They are effective alternatives for serious infections
D. They are orally absorbed
Answer: C
EXPLANATION: When penicillin cannot be used, aminoglycosides serve as potent alternatives
for life-threatening infections.
8. Can aminoglycosides be used before culture and sensitivity results?
A. No, they must be withheld
B. Only if oral form is available
C. Yes, in severe infections
D. Only with antiviral drugs
Answer: C
EXPLANATION: In critical conditions, aminoglycosides may be initiated empirically before
lab confirmation.
9. How are aminoglycosides absorbed when given orally?
A. Rapidly
B. Poorly
C. Immediately
D. Completely
Answer: B
EXPLANATION: Aminoglycosides are poorly absorbed from the gastrointestinal tract and are
usually given IM or IV.
