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* Robert Farrell Mic
Finals micro for Dr. West class JD
Question | Answer |
---|---|
Virons are? | Intact noreplicating virus particles. |
Each of the following is used to classify viruses except | Family - Genenis - Speices - Aliens |
A bacteriophage is (a) | Bacterial virus. |
One Virus has a diameter of 0.15 micrometers. This is_____ nanometers | 15 |
Which viral nucleic acid has either a plus or minus strand? | ssRNA |
The most common polyhedral virus has____triangular surfaces | 20 |
In the viral life cycle, uncoating is the? | Process of removing the capsid and envelope. |
The methods to count and study bateriophages are based on? | The mode of infecting and destroying host cells. |
The latent period is when viruses? | Period of no increase. |
The life cycle of of the temperate phage lambda is? | Phage T4 , Phage is a DNA Complex virus |
T4 and lambda bacteriophages contain? | dsDNA complex viron |
RNA-dependant RNA polymerase is needed by? | RNA viruses |
Plus-strand RNA in an HIV is used exclusively as a template for? | DNA empolying reverse transcription. |
Of the influenza virus, only types________infect humans | A,B,C, |
Oconogenes in cells will cause the cells to? | Distort and uncontrolled cancerous growth may result. |
The TMV infects? | Tobacco plants. |
If a human body contains 100 trillion cells, the estimated number of bacterial cells using the body is? | 10X/ one quadrillion |
Select the internal human body structure that does not support a normal biota? | Brain, Heart, Muscle and Bone(correct) |
Select the internal body structure that does support a normal biota | Mouth, Nose, Vagina,Urethera and Intestinal Tract. |
Opportunists are microorganisms that? | Cause diease when opportunity arises. |
A species of bacterium lives on the surface of the human skin. It does not help or harm the human host.However it gains a habitat. This symbiotic relationship is? | Symbiosis |
By mycrobial antagonism one microbe | Interferes with another microbe |
In clinical medicine the term "parasite" refers to each of the following except | Protozoa, Worms, Insects, Cowboys |
The function of epithlium of the human body is to? | Control the size of microbial population. |
The mucociliary system in the human body is mainly a______ defense. | Mechanical. |
Adhesions help bacteria to? | Attach to epithilliac surfaces. |
Staphylococcus speices are? | Facillatative anerobes |
Select the incorrect statement about the diphtheriods. | Gram positive, commesals, rod shaped,corynebactrium |
The conjuctiva is a________ membrane | mucous |
Select the genus with frequent normal biota inhabitants of the nasal cavity. | 90% staph |
Select the correct statement about the oral cavity. | 80 speices of microbes many are strep. |
A student plans to study Negri bodies by preparing slides in lab. One source from a mammal would be its | Brains/or probably nerve cells as best answer. |
Lytic infections affect host cells by? | Lysing it. |
Streptokinas is used to? | Dissolve clots |
Ptx directly interferes with the human body's ability to? | Mediate intercellular communication. |
The ____ is the last part of the urinary tract where urine passes through when eliminated? | Urethera |
Vitamin K is important to the human body for? | Blood clotting |
Thrush is an infection of the? | Mouth |
A Pathogen must have a resevoir in order to | Survive |
Almost any ________ can be a reservoir for rabies | Animal |
Influenza is a_____disease of humans? | Respiratory. |
Rabies attack the _____ system? | Nervous. |
For a computation of the LD,_______ of 500 animals die from the disease. | Half or in this case 250. |
The reservoir for Clostridium Tetani is the? | Soil. |
The portal of entry for Bordetella pertussus is usually the? | Nose. |
Each of the following is a fomite except? | Anything not living is a fomite, inatimate objects. |
More human diseases are transmitted by the_______ system than any other system? | Respiratory |
Most of the primary cases of Herpes simplex virus, type one, are seen in? | small children/ mouth and nose. |
Coccidiodes immitis is a(n)_____Microorganism? | Airborne/fungal. |
Praternal transmission occurs by each of the following ways except? | Anything relating to getting in through a "break" in the skin. |
FHA allows Bordetella pertussis to? | Sticky/stick to. |
By -1-____ a microbe enters-2-____. | Invasins/host cell |
In lab, a student studies a prepared slide of plasmodium infecting the tissues of an organism. this slide is probably found in a _______ lab? | Microbiology. |
Trypanosoma brucei evades the host defenses by______ variation? | Antigenic. |
If a microbe -1-_____ its B exotoxin subunit, it-2-______? | Attaches/Alters the cellular compartment. |
Which scientist purified and crystallized the tobacco mosaic virus? | Wendall M Stanley |
The virus capsid consists of ? | protien |
The life cycle of the tempratephage lambda is? | Like T4, phage is a DNA complex virus |
The tail fibers of an animal virus are destroyed. this will directly interfere with the_______ stage of the life cycle. | adsorption |
Shingles is a disease mainly affecting the? | Skin |
Select the faculative anerobes normally found in the large intestine | Escherichia coli, Proteus, Entrobacter, Klebsiella |
A fungus wich is an opportunist living in the vagina, belongs to the ? | Candida albicans |