A housefly can transmit diseases as a (biological/fomite/mechanical) vector.
Fill in the blank(s) with the appropriate word(s).
mechanical
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Body parts derived from endoderm include
A) epidermis and dermis of the skin as well as hair and nails. B) the urinary bladder epithelium, pancreas, and digestive tract lining. C) all connective tissues, including blood, bone, and cartilage. D) the linings of the blood vessels, trachea, and body cavities.
An oxidase detection test can be used to identify certain bacteria because they are missing or lack expression of ________.
A. cytochrome C oxidase B. mitochondria C. coenzyme Q D. ATP synthase E. NAD
The difference between direct and indirect immunofluorescence testing is that
A. Indirect testing determines the identity of an unknown antigen in a patient sample, whereas direct testing determines whether the patient has been exposed to an antigen as evidenced by the presence of antibodies in their sera. B. Direct testing adds antibodies directly to antigens, whereas indirect testing cultures the organisms first and adds fluorescent tags to the patient sample. C. Direct testing determines the identity of an unknown antibody in a patient sample, whereas indirect testing determines whether the patient is infected with a specific antigen. D. Direct testing determines the identity of an unknown antigen in a patient sample, whereas indirect testing determines whether the patient has been exposed to an antigen as evidenced by the presence of antibodies in their sera.
The Mannitol Salt Agar is used mainly to
A. isolate and differentiate between the different streptococcus bacteria B. isolate and differentiate between the different enterococcus bacteria C. isolate and differentiate between the different staphylococcus bacteria D. isolate and differentiate between the different enterobacteriacae bacteria E. none of the above