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MI Semester 1 Review
Test Description: Medical interventions units 1 and 2
Instructions: Answer all questions to get your test result.
1) When bacteria are allowed to be cultured in the same dish, they can come in direct contact and share genes through a pilus. What is the method of gene transfer called?
A
conjugation
B
transduction
C
transformation
D
conduction
2) What does PCR do?
A
repair DNA in genes
B
separate DNA by size
C
Perform Credible Reactions
D
make copies of DNA from a primer
3) If you discover an outbreak of measles in the community, which of these would you do first?
A
Perform ELISA tests on everyone's spinal fluid
B
Sequence the DNA of the sick patients
C
Trace contacts to discover if they have been vaccinated
D
Treat everyone in the community.
4) Which of these shows a proper order for an immune response?
A
Macrophages create antibodies to activate T-cells to produce antigens.
B
Antigens trigger antibodies to swallow up the pathogens.
C
T-cells are activated by antibodies that can then activate B cells.
D
B cells are activated by Helper-T cells, and they divide into plasma cells and memory B cells. Plasma cells make antibodies.
5) What information can we get from an ELISA test?
A
The concentration of antigens of a specific infectious disease in a patient sample.
B
We can determine if a person has a genetic disorder.
C
We can identify which pathogen is causing an outbreak.
D
We can determine how long between exposure and symptoms
6) What stains pink, has an outer layer with endotoxins, has a thin layer of peptidoglycan in the cell wall
A
Gram positive bacteria
B
Gram negative bacteria
C
Gram negative viruses
D
Gram positive viruses
7) What antibiotic is effective at inhibiting protein synthesis by blocking the ribosome?
A
Penicillin (Beta Lactam)
B
Tetracycline
C
Fluoroquinolones
D
Sulfanomide
8) What antibiotic starves bacteria to death by blocking folic acid synthesis?
A
Fluoroquinolones
B
Tetracyclines
C
Sulfanomides
D
Beta Lactams (Penicillin)
9) What antibiotic interferes with an enzyme necessary to supercoil DNA?
A
Fluoroquinolones
B
Sulfanomides
C
Beta Lactams (Penicillins)
D
Tetracyclines
10) What bacteria gene transfer method ALWAYS involves plasmid DNA?
A
conjugation
B
transformation
C
transduction
D
contraindication
*select an answer for all questions
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