What are the four major characteristics of infectious agents?

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Question 1 of 5

What are the four major characteristics of infectious agents?

Correct Answer: C

Rationale: Infectious agents are characterized by specificity (host range), virulence (disease severity), pathogenicity (ability to cause disease), and invasiveness (ability to spread).

Question 2 of 5

The causative organism of Creutzfeldt-Jakob disease is a:

Correct Answer: D

Rationale: Creutzfeldt-Jakob disease is caused by prions, misfolded proteins that lead to neurodegenerative disease.

Question 3 of 5

The CDC recommendations for decreasing CLABSI include all the following except:

Correct Answer: B

Rationale: Routine replacement is not recommended; catheters should be replaced only if clinically indicated.

Question 4 of 5

Adult learners are often motivated to learn by: 1) The need for new skills 2) Professional standard mandates 3) Desire for promotion and increased salary 4) Changing cultural expectations

Correct Answer: B

Rationale: Adults are motivated by practical needs (skills) and career advancement (promotion/salary).

Question 5 of 5

Which of the following minimum efficiency reporting values (MERV) is sufficient to meet the minimum operating room (OR) standards for air filtration

Correct Answer: C

Rationale: MERV 14 is the minimum standard for OR air filtration per ASHRAE guidelines.

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