wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 1 Exam Review

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

Swabbing the surfaces of your skin anywhere on your body and culturing that sample in the lab is likely to result in the growth of millions of bacterial cells on the culture plate, even if you practice good hygiene

 

a)

True

b)

False

2.

The microorganisms that live in or on the human body are called the___

a)

normal flora

b)

recombinants

c)

archaea

d)

prokaryotes

3.

Only two of the main types of microorganisms are found in or the normal healthy human body

a)

true

b)

false

4.

Microorganisms have adapted to nearly every environment through the process of ___

a)

evolution

b)

bioremediation

c)

recombinant DNA technology

d)

ubiquity

5.

In providing education about E.Coli, the RN the most appropiately uses which of the following terms, meaning disease-causing, to describe this organism?

a)

pathogen

b)

microbe

c)

prokaryote

d)

eukaryote

6.

Which of the following is not an independent cellular organism, but rather a collection of contained genetic material that transmits information to a host cell?

a)

virus

b)

fungus

c)

protozoan

d)

bacterium

7.

Which of the following are not considered microorganisms?

a)

ticks

b)

bacteria

c)

fungi

d)

none of these

8.

Bacteria were traditionally considered prokaryotes. The defining feature of a prokaryotic cell is the absence of what cellular structure?

a)

nucleus

b)

choroplasts

c)

ribosomes

d)

mitochondria

9.

This type of sample is seen under the microscope with the use of 1 drop of saline and a cover slip

a)

wet mount

b)

gram positive bacteria

c)

gram negative bacteria

d)

endospores

10.

MaconKey agar is an example of what type of agar?

a)

selective and differential

b)

fastidious and nutritious

c)

agar that only grows gram positive bacteria

d)

agar that show hemolysis reaction of bacteria

11.

What is the name of the first living organism on earth from 3.5 billion years ago

a)

Last common ancestor

b)

microbe common ancestor

c)

great common ancestor

d)

advanced common ancestor

12.

Eukaryotes have larger ribosomes than prokaryotes

a)

true

b)

false

13.

Which of these is a type of infection a patient gets while in healthcare facility?

a)

Healthcare associated infection

b)

opportunistic infection

c)

community acquired infection

d)

none of these

14.

Which of these is an infection that occurs during a time when a patient has a supressed immune system?

a)

community acquired

b)

opportunistic

c)

HAI

d)

all of these

15.

Mycoses is the term used for fungal infections

a)

true

b)

false

16.

Which of these microbes is the hardest to kill

a)

protozoan cysts

b)

enveloped viruses

c)

endospores

d)

most gram negative bacteria

17.

Which of these microbes is easiest to kill?

a)

enveloped viruses

b)

prions

c)

endospores

d)

most gram negative bacteria

18.

Which of these is a method of physical control?

a)

radiation

b)

all of these

c)

filtration

d)

cold and dessication

19.

Which of these is an example of chemical control of microbes?

a)

bleach

b)

boiling

c)

pasteurization

d)

autoclaving

20.

Which of these physical methods for microbe control describe the use of small pores through which bacteria cannot pass through as a method of sterilization

a)

autoclaving

b)

boiling

c)

filtration

d)

radiation

21.

Which of the following is present in both gram-pos and gram-neg bacterial cell walls

a)

peptidoglycan

b)

none of these

c)

teichoic acid

d)

lipopolysaccaharides

22.

A bacterial genus that has waxy mycolic acid in the cell walls is

a)

mycobacterium

b)

salmonella

c)

mycoplasma

d)

streptococcus

23.

Pilli are long rigid tubules that help transfer DNA

a)

true

b)

false

24.

Plasmids are

a)

found in all bacteria

b)

the site of pathogenic genes

c)

essential for growth and metabolism

d)

none of these are correct

25.

Chemotaxis is the ability to

a)

move in response to light

b)

transport desired molecules into cells

c)

move in response to a chemical

26.

A bacteria exhibiting chemotaxis probably has

a)

a capsule

b)

a flagella

c)

fimbriae

d)

thylakoids

27.

bacterial endospores usually function in

a)

storage

b)

reproduction

c)

survival

d)

metabolism of nutrients

28.

Which structure plays a direct role in the exchange of genetic material between bacterial cells

a)

flagellum

b)

capsule

c)

fimbria

d)

pilli

29.

Which of these is true about biofilms?

a)

they complicate treating some infections

b)

they are only found in fungi

c)

they are found only outdoors

d)

they are only found in medical implants

30.

The purpose of flagella is for

a)

motility

b)

reproduction

c)

DNA transfer

31.

Fimbriae are used to help bacteria cling to surfaces

a)

true

b)

false

32.

Gram positive bacetria will stain what color in a gram stain

a)

purple

b)

pink

c)

blue

d)

green

33.

all bacteria have plasmids

a)

true

b)

false

34.

gram negative bacteria will stain what color with gram stain

a)

purple

b)

pink

c)

green

d)

blue

35.

The gram negative cell walls produces

a)

an endotoxin

b)

exotoxin

c)

peptidoglycan

d)

plasmids