What is a reservoir, and why can C. difficile use a fomite as an effective environmental reservoir?

An epidemiological study design that is commonly used for determining the efficacy of a drug therapy is a(n)

a. experimental study.

b. case report.

c. cross-sectional study.

d. correlation study.

e. observational study.

How is an opportunistic pathogen different from a pathogen?

In developed nations, which of the following are considered endemic diseases, and which are considered sporadic diseases?

Influenza: (endemic or sporadic)

Tetanus: (endemic or sporadic)

Plague: (endemic or sporadic)

Common cold: (endemic or sporadic)

Streptococcal pharyngitis: (endemic or sporadic)

Botulism: (endemic or sporadic)

Pneumonia: (endemic or sporadic)

A(n) _______________________ groups the study populations by exposure versus nonexposure to a certain risk factor to see if either group develops the outcome in question.

a. experimental study

b. case report

c. cross-sectional study

d. correlation study

e. observational study

Complete the table: <IMAGE>

What precautions or actions would apply to an HIV/AIDS patient? Select all that apply. (NCLEX/HESI/TEAS)

a. Droplet precautions

b. Standard precautions

c. BSL-4 precautions

d. Universal precautions

e. AFB precautions

f. Isolation practices

What BSL would an airborne pathogen that causes potentially deadly, but treatable, disease be placed into? Explain your answer.

Select the true statements about SARS-CoV-2. (Select all that apply.) (NCLEX/HESI/TEAS)

a. It causes COVID-19.

b. It is vaccine preventable.

c. The FDA has approved hydroxychloroquine to treat infections with this virus.

d. It is considered a zoonotic infection.

e. It causes a form of viral pneumonia.