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35 Cards in this Set
- Front
- Back
- 3rd side (hint)
Which sign or symptom would indicate that you may have influenza instead of a cold? |
Fever |
1. Ear infection 2. Vomiting 3. Nasal secretions 4. Fever 5. Headache |
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How can a mouse lose its fear of cats? |
Protozoan cysts in the mouse brain affect its behavior |
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If you digested a tapeworm cyst, what could occur? |
The scolex could attach to your small intestine |
What part of their anatomy would interact with what part of ours? |
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Poliovirus is transmitted to a new host by: |
Ingestion |
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Why do you use violet red bile (VRB) agar in food microbiology labs? |
They are selective for gram-negative bacteria |
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What is the outcome of the lysogenic cycle of a bacteriophage? |
Viral DNA is found in the bacterial chromosomes |
What genetic material ends up where? |
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What was the 2009 H1N1 "swine flu" caused by? |
An influenza virus with RNA segments from bird, pig, and human viruses |
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What is the role of humans in the beef tapeworm life cycle? |
Definitive host |
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What is NOT a way to make more copies of a virus in a lab? |
Inoculate the virus into a medium |
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___ is a type of symbiotic relationship where one partner benefits and one is harmed. |
Parasitism |
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Hydatid disease results from someone: |
Ingesting tapeworm eggs |
What needs to enter into their body? |
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When will patients with malaria experience symptoms? |
When merozoites are released from red blood cells |
What part of their life cycle causes symptoms? |
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Accidental ingestion of eggs found in soil may result in an infection with: |
Ascaris |
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Which opportunistic pathogens lead to diaper rash and thrush? |
Candida albicans |
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When will excystment of Giardia intestinalis occur? |
When Giardia is ingested by a human host |
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True fungal pathogens do what process as they invade a human host? |
Switch from filamentous hyphae to a non-filamentous yeast-like form |
What structural change occurs? |
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Which form of Toxoplasma gondii invades human tissues? |
The mobile tachyzoites |
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Why do elderly people come down with shingles? |
Reactivation of a latent viral infection |
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Which portion of Plasmodium's life cycle occurs inside a mosquito? |
The union of gametocytes |
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A viral capsid is made up of: |
One or more proteins |
One material |
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Why are there so few cases of malaria in the US? |
Malaria was eradicated in the early 1900s in the US |
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Why is antigenic drift important in influenza infections? |
Mutations cause small changes to the proteins on the surface of the virus |
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What is the role of mature proglottids in the tapeworm life cycle? |
To contain thousands of eggs |
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What is the shape of a bacteriophage? |
Complex |
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Someone with fever and chills that occur every two days may be potentially infected with: |
Plasmodium falciparum |
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What is the purpose of the API 20E test? |
To use biochemical tests to identify enteric bacteria |
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Why do some viruses have spikes? |
To enable attachment to a host cell |
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What does the host range of the rabies virus indicate? |
Which animals will become infected by the rabies virus |
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How are the new copies of the genomes of RNA viruses made in human cells? |
The virus contains instructions to make an RNA-dependent RNA polymerase |
What of our own machinery does it use and how? |
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How can cases of vaccine-derived polio be prevented? |
Immunization with the killed virus won't spread it |
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Why does poliovirus cause paralysis? |
Poliovirus in the bloodstream can spread to the central nervous system |
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The 1918 flu was different from other influenza epidemics because: |
Having a stronger immune response increased mortality rate |
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The current flu vaccine is manufactured to contain: |
Inactivated portions of viruses circulating in the world this year |
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Blood agar is used to identify which species? |
Streptococcus pyogenes |
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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? |
Giardiasis |
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