5 Written questions
4 Matching questions
- Key concept
- It is effective against a large number of organisms.
- a Pathogens are organisms that cause disease owing to their ability to divide rapidly or secrete toxins.
- b The value of using an antibiotic that is classified as a broad-spectrum antibiotic.
- c Pneumonia, otitis media, meningitis, bacteremia, endocarditis
- d An organism that can cause disease.
5 Multiple choice questions
- •Most effective against gram-positive bacteria
•Kill bacteria by disrupting cell wall with beta-lactam ring
•Beta-lactamase or penicillinase is enzyme allowing bacteria to be resistant
•New penicillins are penicillinase-resistant
-Examples: oxacillin and cloxacillin
•Combination drugs with beta-lactamase inhibitors
-Examples: clavulanate, sulbactam, tazobactam
•One of safest classes of antibiotic
•Allergy most common adverse effect
•If client allergic to penicillin, avoid cephalosporins
-Possibility of cross-hypersensitivity
•Other adverse effects
-Skin rash; decreased RBC, WBC, or platelet counts
- Lyme disease
- Pharyngitis, pneumonia, skin infections, speticemia, endocarditis
- Bacteria that grow best without oxygen.
- effective for MRSA infections
•Adverse effects: ototoxicity, nephrotoxicity, red man syndrome
5 True/False questions
Key concept → Resistance has limited the usefulness of once widely prescribed sulfonamides to urinary tract infections and a few other specific infections.
bacteriocidal → Medications that treat by killing bacteria.
superinfections → A common side effect of anti-infective therapy which occur when microorganisms normally present in the body are destroyed.
Key concept → Prototype drug: tetracycline HCL (Achromycin, others)
Mechanism of action: effective against broad range of gram-positive and -negative organisms
Primary use: chlamydiae, rickettsiae, and mycoplasma
Adverse effects: superinfections, nausea, vomiting, epigastric burning, diarrhea, discoloration of teeth, photosensitivity
Key concept → Penicillins, which kill bacteria by disrupting the cell wall, are most effective against gram-positive bacteria. Allergies occur most frequently with the penicillins.