Lab practical

Question 1

What does the envelope contain?

Answer 1

Phospholipid bilayer (outer layer of HIV)

Question 2

What are glycoprotein spikes used for?

Answer 2

Attachment

Question 3

What is the capsid and what does it do?

Answer 3

Inner layer of HIV and protects nucleic acids

Question 4

Where is the matrix protein located?

Answer 4

Between the envelope and the capsid

Question 5

What does the nucleic acid contain?

Answer 5

Genetic material

Question 6

What are the 3 enzymes in the HIV virus?

Answer 6

Protease, intergrase, and reverse transcriptase

Question 7

HIV belongs to what group?

Answer 7

Retrovirus

Question 8

What two parts of the virus cell make up the nucleocapsid?

Answer 8

Nucleic acid and capsid

Question 9

What is the main cellular target of HIV?

Answer 9

CD4+

Question 10

What is the antiviral treatment for HIV?

Answer 10

HAART

Question 11

When the CD4+ cells fall below ____ cells, a person is diagnoised with AIDS?

Answer 11

200

Question 12

What is the single most effective way to prevent infection?

Answer 12

Hand washing

Question 13

What are the four dyes/steps in order with alternate names (if applicable) in the gram stain method?

Answer 13

Crystal violet
Iodine/Mordant
Decolorizer
Safrinin/counter stain

Question 14

If the specimen is purple after the slide is rinsed what does this indicate?

Answer 14

Gram +

Question 15

If the specimen is pink or red after the slide is rinsed what does this indicate?

Answer 15

Gram -

Question 16

What is the purpose of the streak plate method?

Answer 16

Isolate colonies

Question 17

What does bacteriocidal do?

Answer 17

Kills cells

Question 18

What does bacteriostatic do?

Answer 18

Inhibits growth

Question 19

What is disinfectant used for?

Answer 19

Used on non living things and does not kill all bacteria

Question 20

What does sanitation do?

Answer 20

Reduces the number of microbes

Question 21

What is an antiseptic used on?

Answer 21

On living things

Question 22

Manitol salt agar is selective or differential?

Answer 22

Both

Question 23

Mannitol salt agar is selective for what?

Answer 23

Halophils

Question 24

Mannitol salt agar is differential for what?

Answer 24

Staphococcus bacteria

Question 25

Characteristics of mannitol salt agar?

Answer 25

Highly saline (salty) Contains phenyl red Change S. aureus fro red to bright yellow Change S. epdermidis to pink

Question 26

Eosin Methyline Blue contains what dyes?

Answer 26

Methyl blue and eosin

Question 27

EMB is selective or differential?

Answer 27

Both

Question 28

E.coli on EMB change to what color?

Answer 28

Green

Question 29

Nonfermentors on EMB change to what color?

Answer 29

Colorless

Question 30

Blood agar is used for the detection of what organism?

Answer 30

Streptococcus pyrogens

Question 31

Beta hemolysis turns what color and is positive for what

Answer 31

Gold; strept throat

Question 32

Alpha hemolysis turns what color

Answer 32

Green

Question 33

Gamma hemolysis is what color

Answer 33

Clear

Question 34

What two types of agar plates grow gram + specimen?

Answer 34

MSA and blood agar

Question 35

What two types of agar plates grow gram - specimen?

Answer 35

EMB and McConkey

Question 36

What is the scientific name for the parasite that causes Rocky Mountain Spotted Fever?

Answer 36

Dermacentor andersen | AKA wood tick

Question 37

What family is the dermacentor andersen from?

Answer 37

arachnoid

Question 38

What is the dog tick AKA?

Answer 38

Dermacentor varialvilis

Question 39

Mites cause what disease?

Answer 39

Scabies

Question 40

What is the scientific name of mites?

Answer 40

Sarcoptes scabiei

Question 41

Ascariasis is a disease cause by what?

Answer 41

Round worm

Question 42

Scientific name of round worm?

Answer 42

Ascaris lunericoides

Question 43

The round worm is apart of what family?

Answer 43

Nematode

Question 44

What is the vector or malaria?

Answer 44

Misquito

Question 45

Casative agent of malaria?

Answer 45

Plasmodium

Question 46

What type of mosquito carries plasmodium?

Answer 46

Anopholes

Question 47

Does the male or female anophole carry plasmodium?

Answer 47

Female

Question 48

How can you tell the difference between the male and female plasmodium?

Answer 48

The hairs on the antenna

Question 49

Fleas carry what bacterium?

Answer 49

Yersinia pestis

Question 50

Yersinia pestis causes what disease?

Answer 50

Plague

Question 51

Scientific name of liver fluke disease?

Answer 51

Fascioliasis

Question 52

A fluke is a type of what?

Answer 52

Termatode

Question 53

The pork tapeworm is called?

Answer 53

Teania solium

Question 54

What family is the pork tapeworm in?

Answer 54

Sestode

Question 55

Lice causes what?

Answer 55

Pediculosis

Question 56

What families are lice apart of?

Answer 56

Insect and arachnids

Question 57

Helminths are what?

Answer 57

Worms

Question 58

What are the 3 worm categories?

Answer 58

Hematodes, sestodes, and termatodes