Chapter 5 Infectious Disease

Question 1

What is the most common form of pneumonia?

Answer 1

Streptococcus pneumoniae

Question 2

________ is a:
- Single-celled organism without a nucleus
- Reproduce asexually by binary fission
- Comes in different shapes: Spirals, spheres or rods

Answer 2

Bacteria

Question 3

___________: The ability of bacteria to share plasmids with each other. This allows the bacteria to become anti-biotic resistant.

Answer 3

Conjugation

Question 4

After preforming the gram stain, what color does gram-positive bacteria stain and why?

Answer 4

Purple due to thick peptidoglycan walls that retain the crystal violet from the test.

Question 5

Name all 4 chemicals used in the Gram-Stain, in order.

Answer 5

1 Crystal Violet
2 Iodine
3 Ethanol
4 Safranin

Question 6

______ is a component of a virus that is a protein shell containing a nucleic core of either DNA or RNA.

Answer 6

Capsid

Question 7

A _____ replicates using the host cells enzymes, ribosomes and ATP.

Answer 7

Virus

Question 8

How do viruses become envoloped?

Answer 8

Viruses acquire a membrane coat from budding off from the host cell.

Question 9

_________ transmission is from mother to neonate.

Answer 9

Vertical

Question 10

Which is multicellular and grow by branching? Fungi or Yeast

Answer 10

Fungi

Question 11

Dermatophytes are a group of fungi that eat the _____ on skin and nails.

Answer 11

keratin

Question 12

What are these examples of? Amebiasis, Malaria (plasmodium species), giardiasis, trichomoniasis and Chagas disease

Answer 12

Protozoa

Question 13

Bacterial _______ ______ can remove antibiotics as they enter the cell and _______ block entry.

Answer 13

Efflux Pumps and Porins

Question 14

This is the most common cause of bacterial pharyngitis and causes skin infections.

Answer 14

Streptococcus Pyogenes (S Pyogenes)

Question 15

Streptococcus Pyogenes (S Pyogenes) are gram _________.

Answer 15

Gram positive

Question 16

Streptococcus Pyogenes (S Pyogenes) main treatment is ____________.

Answer 16

Penicillins

Question 17

Which bacteria bind closely with cells, because it has a fibronectin-binging protein that recognizes the amino acid sequence arginine-glycine-aspartate?

Answer 17

Staphylococcus aureus (S aureus)

Question 18

_______ ______ ________ is a complication of S aureus due to its ability to produce pore-forming a-toxin and several exotoxins.

Answer 18

Toxic shock syndrome

Question 19

Some strains of S aureus produce _____ _______ _________ that destroys neutrophils and platelets.

Answer 19

Panton-Valentine leucocidin