Chapter 14-Veterinary Pharmacology

Which generation of cephalosporin would be used to combat MRSA?

a) Second

b) Third

c) Fifth

d) Fourth

c) Fifth

Which of the following is used mainly in combination with other antifungals to treat Cryptococcus infections?

a) Imidazoles

b) Superficials

c) Antimetabolics

d) Polyenes

c) Antimetabolics

Which of the following is not affected by organic matter or hard water?

a) Ethylene oxide

b) Halogens

c) Alcohols

d) Oxidizing agents

d) Oxidizing agents

Which of the following may be used to treat penicillin-resistant infections or be given to patients who have allergic reactions to penicillin?

a) Florfenicol

b) Tilmicosin

c) Erythromycin

d) Chloramphenicol

c) Erythromycin

Which of the following can cause fatal diarrhea in guinea pigs, rabbits and hamsters?

a) Monobactam

b) Penicillin

c) Polypeptide

d) Cephalosporin

b) Penicillin

______ would be used for systemic mycotic infections.

a) Fluconazole

b) Terbinafine

c) Nystatin

d) Flucytosine

a) Fluconazole

Which of the following antifungals disrupt fungal cell divisions?

a) Superficials

b) Antimetabolics

c) Polyenes

d) Imidazoles

a) Superficials

What zone of inhibition means the bacteria are inhibited only by the maximum recommended dosage of antibiotic?

a) Sensitive

b) Intermediate

c) Resistant

d) Breakpoint

b) Intermediate

How do antimicrobials work?

a) They kill and inhibit microorganisms.

b) They kill microorganisms only.

c) They kill or inhibit microorganisms.

d) They inhibit growth of microorganisms only.

c) They kill or inhibit microorganisms.

Which disinfecting solution is recommended by OSHA in a medical-based practice?

a) Halogen

b) Biguanide

c) Alcohol

d) Aldehyde

a) Halogen

Which antiviral drug affects attachments of viruses to cell receptors and inhibits the replication of influenza A virus?

a) Acyclovir

b) Ganciclovir

c) Amantadine

d) Interferon alfa

c) Amantadine

When an antibiotic allows a cell to overfill with water, resulting in cell death, what mechanism has the antibiotic used to inhibit or kill the bacteria?

a) Interference with metabolism

b) Inhibition of protein synthesis

c) Inhibition of cell wall synthesis

d) Damage to the cell membrane

d) Damage to the cell membrane

Which of the following statements means that an agent is bacteriostatic?

a) Refers to an agent that is capable of inhibiting the growth or replication of bacteria

b) Refers to antibiotic drugs that act on both Gram-positive and Gram-negative bacteria

c) Refers to antibiotic drugs that act on either Gram-positive or Gram-negative bacteria

d) Refers to an agent that is capable of killing bacteria

a) Refers to an agent that is capable of inhibiting the growth or replication of bacteria

What is used to describe the spectrum of activity of a particular drug?

a) Types of bacteria

b)Cell wall size

c) Gram stain properties

d) List of all susceptible species

a) Types of bacteria

Which mechanism is only effective when bacteria are growing and dividing?

a) Inhibition of protein synthesis

b) Inhibition of cell wall synthesis

c) Damage to the cell membrane

d) Interference with metabolism

b) Inhibition of cell wall synthesis

Which of the following has been found to reduce gingival inflammation in dogs with periodontal disease?

a) Chlortetracycline

b) Doxycycline

c) Minocycline

d) Oxytetracycline

b) Doxycycline

Which antibiotic is so poorly absorbed after oral administration that if an animal licks it after topical administration, the risk is minimal?

a) Carbapenems

b) Vancomycin

c) Monobactams

d) Bacitracin

d) Bacitracin

Which of the following is an aminoglycoside?

a) Vancomycin

b) Erythromycin

c) Bactramycin

d) Gentamicin

d) Gentamicin

What would be used to treat ringworm?

a) Flucytosine

b) Amphotericin B

c) Ketoconazole

d) Lyme sulfur

d) Lyme sulfur

Which of the following statements is true?

a) Antiseptics kill or inhibit the growth of microorganisms on living tissue.

b) Antiseptics and disinfectants do not have the same chemicals in them.

c) Disinfection guarantees that all pathogens are eliminated.

d) All disinfectants are suitable for use as antiseptics.

a) Antiseptics kill or inhibit the growth of microorganisms on living tissue.

Which of the following have a beta-lactam ring and interfere with bacterial cell wall synthesis?

a) Polypeptide

b) Monobactam

c) Cephalosporin

d) Tetracyclines

c) Cephalosporin

Which of the following has been banned in food animals in the United States because it may result in irreversible aplastic anemia?

a) Chloramphenicol

b) Florfenicol

c) Tilmicosin

d) Erythromycin

a) Chloramphenicol

During which mechanism do antibiotics act selectively on the ribosomes of bacteria?

a) Damage to the cell membrane

b) Interference with metabolism

c) Inhibition of cell wall synthesis

d) Inhibition of protein synthesis

d) Inhibition of protein synthesis

Which of the following antifungal drugs is not well absorbed and is fairly toxic?

a) Nystatin

b) Fluconazole

c) Terbinafine

d) Flucytosine

a) Nystatin

Which of the following is available as a scrub that is commonly used for prepping patients prior to surgery and as a surgical scrub for veterinary staff?

a) Iodine

b) Chlorhexidine

c) Clostridium

d) Hypochlorite

b) Chlorhexidine