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Bacteria that form an irregular cluster of spheres are called:
A strict anaerobe requires which specific environment?
The presence of the bacterial capsule:
What method do viruses use to replicate?
Fungi reproduce by: 1. budding. 2. extension of hyphae. 3. binary fission. 4. production of spores.
Which of the following is NOT classified as a protozoan agent of disease?
Which of the following is a characteristic of rickettsia?
Entamoeba histolytica is transmitted by which of the following?
Which of the following is a characteristic of resident or normal flora (microflora)?
Which of the following is normally considered sterile?
Transmission of microbes by direct contact includes:
Opportunistic infection may develop when:
Host resistance is promoted by all of the following EXCEPT:
Which of the following factors would NOT increase the virulence of a specific microbe?
That time in the course of an infection when the infected person may experience a headache or fatigue and senses he or she is coming down with something is referred to as which of the following?
The principle of Universal Precautions is based on:
The incubation period refers to the time period between:
Which of the following is a local sign of infection?
What are culture and sensitivity tests used for?
A broad-spectrum bactericidal agent would be expected to:
How does penicillin act as a bactericidal agent?
Secondary infection may occur with administration of antibacterial drugs because the:
All of the following are mechanisms of antiviral drug action EXCEPT:
Secondary bacterial infections occur frequently during influenza epidemics primarily because:
The primary pathological effect of influenza virus is:
What does leukocytosis frequently indicate?
When an infection or inflammation is suspected, what does leucopenia often indicate?
Which of the following statements applies to Chlamydia?
Which of the following microbes is classified as an obligate intracellular parasite?
Which of the following are characteristics of influenza virus? 1. It is an obligate intracellular parasite. 2. It contains RNA. 3. It usually causes nausea and vomiting. 4. There are three subtypes: A, B, C.
The widespread necrosis of respiratory mucosa caused by an influenza infection often gives rise to:
Prions cannot be cultured in a PETRI plate of media because:
Which of the following statements applies to Influenza A H1N1?
Which of the following does NOT directly determine the virulence of a microbe?
Which of the following is a function of interferons?
Inflamed tissue is likely to become infected because:
When an infectious disease is occurring globally at a higher rate than usual, it may be designated as a/an:
Which of the following is the primary difference between an antiseptic and a disinfectant?