EXAM 2026 PRACTICE SOLUTION TESTED
QUESTIONS AND ANSWERS GRADED A+
●● Bactericidal drugs are:
A. are directly lethal to bacteria at achievable concentrations
B. are nonlethal to bacteria at achievable concentrations
C. can slow bacterial growth but do not cause death
D. are directly lethal to bacteria if minimum amount is given. Answer:
A. are directly lethal to bacteria at achievable concentrations
●● How does bacterial resistance develop with penicillins? Check all
that apply.
A. bacteria cross the protective barrier of penicillins
B. production of penicillin binding proteins that have low affinity for
penicillins
C. inability of penicillins to reach their target
D. production of penicillin binding proteins that have high affinity for
penicillins
E. inactivation of penicillins by bacterial enzymes. Answer: B,
C. inability to reach target
E. inactivation
,●● Mary is a 20 year old female you have diagnosed her with strep
throat. She has has had an anaphylactic reaction to penicillin. Which of
the following antibiotics is appropriate for Mary?
A. Doxycycline
B. Cephalexin
C. Azithromycin
D. Sulfamethoxazole trimethoprim. Answer: C. Azithromycin
●● What are penicillinases?
A. Beta-lactamases that act selectively on penicillins
B. Narrow spectrum penicillins
C. Broad spectrum penicillins
D. Extended spectrum penicillin. Answer: A. Beta-lactamases that act
selectively on penicillins
●● Which of the following are Penicillinase-Resistant Penicillins?
Check all that apply
A. Nafcillin
B. Amoxicillin
C. Ampicillin
D. Dicloxacillin
E. Oxacillin. Answer: A. Nafcillin
D. Dicloxacillin
, E. Oxacillin
●● Which of the following are Broad-spectrum Penicillins
(aminopenicillins)? Check all that apply
Amoxicillin
Penicillin G
Ampicillin
Oxacillin
Nafcillin. Answer: Amoxicillin and Ampicillin
●● Which of the following are Extended-Spectrum Penicillins
(antipseudomonal)?
Nafcillin
Amoxicillin
Piperacillin
Oxacillin
Dicloxacillin. Answer: Piperacillin
●● Which of the following antibiotics are Beta-lactamase Inhibitors?
Check all that apply.
Clavulanic acid
Amoxicillin
Sulbactam