MCB4271 Final Exam 2025: Actual Exam & Study Guide

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MCB4271 FINAL EXAM NEWEST 2025 ACTUAL EXAM|

COMPLETE 100 QUESTIONS AND VERIFIED ANSWERS

(100% CORRECT ANSWERS) ALREADY GRADED A+|

MCB 4271 FINAL EXAM REVIEW 2025 (BRAND NEW!!)

Antibiotic resistance occurs naturally, but the _____ of drugs in

humans and animals is accelerating the process. .....ANSWER.....

underuse, use, and overuse

On average, how long does it take for the development of

clinical resistance to an antibiotic? .....ANSWER..... 8 years

Factors contributing to AMR in healthcare include (choose the best

answer) .....ANSWER..... lack of antibiotics, poor sanitation,

inadequate infection controls

The use of antibiotics in farm animals has been ______ in 1951.

.....ANSWER..... approced

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What are the reasons that make it difficult to eliminate

antibiotics from their use in farm animals? .....ANSWER..... loss of

profit to animal farming companies, loss of profit to

pharmaceutical companies, easy access to antibiotics

Major host reservoirs that are exposed to antibiotic selective

pressure include the following: .....ANSWER..... Food animals,

pets, and humans

What is the problem associated with the Citrus Greening

Disease? .....ANSWER..... Massive application of clinically-

important antibiotics on citrus crops

Johnny developed a MRSA infections when he got injured during

his baseball practice. Johnny got a _____ acquired infection.

.....ANSWER..... community

According to the WHO, antimicrobial resistance is one of the

biggest threats to global health and food security today.

.....ANSWER..... True

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Check all the reasons why antibiotics are used in food animals:

.....ANSWER..... Growth promotion (although banned in 2017),

infection control

All strains of mold produce penicillin. True/False .....ANSWER.....

False

The structure of beta-lactam antibiotics resemble: .....ANSWER.....

a house

beta-lactam antibiotics are characterized by: .....ANSWER..... a

4-member ring containing a nitrogen

penicillinases are .....ANSWER..... enzymes that deactivate

penicillin

The structure below is D-ala-Dala dipeptide. What is its function?

.....ANSWER..... peptidoglycan terminus

clavams are very potent antibiotics .....ANSWER..... false