Bsu Microbiology Midterm 3 Review

Front 1

Which sign or symptom would indicate that you may have influenza instead of a cold?

Back 1

Fever

Hint 1

1. Ear infection

2. Vomiting

3. Nasal secretions

4. Fever

5. Headache

Front 2

How can a mouse lose its fear of cats?

Back 2

Protozoan cysts in the mouse brain affect its behavior

Front 3

If you digested a tapeworm cyst, what could occur?

Back 3

The scolex could attach to your small intestine

Hint 3

What part of their anatomy would interact with what part of ours?

Front 4

Poliovirus is transmitted to a new host by:

Back 4

Ingestion

Front 5

Why do you use violet red bile (VRB) agar in food microbiology labs?

Back 5

They are selective for gram-negative bacteria

Front 6

What is the outcome of the lysogenic cycle of a bacteriophage?

Back 6

Viral DNA is found in the bacterial chromosomes

Hint 6

What genetic material ends up where?

Front 7

What was the 2009 H1N1 "swine flu" caused by?

Back 7

An influenza virus with RNA segments from bird, pig, and human viruses

Front 8

What is the role of humans in the beef tapeworm life cycle?

Back 8

Definitive host

Front 9

What is NOT a way to make more copies of a virus in a lab?

Back 9

Inoculate the virus into a medium

Front 10

___ is a type of symbiotic relationship where one partner benefits and one is harmed.

Back 10

Parasitism

Front 11

Hydatid disease results from someone:

Back 11

Ingesting tapeworm eggs

Hint 11

What needs to enter into their body?

Front 12

When will patients with malaria experience symptoms?

Back 12

When merozoites are released from red blood cells

Hint 12

What part of their life cycle causes symptoms?

Front 13

Accidental ingestion of eggs found in soil may result in an infection with:

Back 13

Ascaris

Front 14

Which opportunistic pathogens lead to diaper rash and thrush?

Back 14

Candida albicans

Front 15

When will excystment of Giardia intestinalis occur?

Back 15

When Giardia is ingested by a human host

Front 16

True fungal pathogens do what process as they invade a human host?

Back 16

Switch from filamentous hyphae to a non-filamentous yeast-like form

Hint 16

What structural change occurs?

Front 17

Which form of Toxoplasma gondii invades human tissues?

Back 17

The mobile tachyzoites

Front 18

Why do elderly people come down with shingles?

Back 18

Reactivation of a latent viral infection

Front 19

Which portion of Plasmodium's life cycle occurs inside a mosquito?

Back 19

The union of gametocytes

Front 20

A viral capsid is made up of:

Back 20

One or more proteins

Hint 20

One material

Front 21

Why are there so few cases of malaria in the US?

Back 21

Malaria was eradicated in the early 1900s in the US

Front 22

Why is antigenic drift important in influenza infections?

Back 22

Mutations cause small changes to the proteins on the surface of the virus

Front 23

What is the role of mature proglottids in the tapeworm life cycle?

Back 23

To contain thousands of eggs

Front 24

What is the shape of a bacteriophage?

Back 24

Complex

Front 25

Someone with fever and chills that occur every two days may be potentially infected with:

Back 25

Plasmodium falciparum

Front 26

What is the purpose of the API 20E test?

Back 26

To use biochemical tests to identify enteric bacteria

Front 27

Why do some viruses have spikes?

Back 27

To enable attachment to a host cell

Front 28

What does the host range of the rabies virus indicate?

Back 28

Which animals will become infected by the rabies virus

Front 29

How are the new copies of the genomes of RNA viruses made in human cells?

Back 29

The virus contains instructions to make an RNA-dependent RNA polymerase

Hint 29

What of our own machinery does it use and how?

Front 30

How can cases of vaccine-derived polio be prevented?

Back 30

Immunization with the killed virus won't spread it

Front 31

Why does poliovirus cause paralysis?

Back 31

Poliovirus in the bloodstream can spread to the central nervous system

Front 32

The 1918 flu was different from other influenza epidemics because:

Back 32

Having a stronger immune response increased mortality rate

Front 33

The current flu vaccine is manufactured to contain:

Back 33

Inactivated portions of viruses circulating in the world this year

Front 34

Blood agar is used to identify which species?

Back 34

Streptococcus pyogenes

Front 35

Someone goes to the doctor complaining that they've had sever diarrhea and cramps from 2 weeks straight.You suspect they may have which disease?

Back 35

Giardiasis