Intro to Bacteriology QUIZ

Question 1

What parts of the body should be sterile?
A. Small intestine
B. External urethra
C. Skin
D. Brain & spinal cord
E. Urinary bladder

Answer 1

D. Brain & spinal cord
E. Urinary bladder

Question 2

Which parts of the body have normal flora?
A. Joint
B. Kidneys
C. Spinal fluid
D. Nasal passages
E. Small intestine

Answer 2

D. Nasal passages
E. Small intestine

Question 3

T/F: Bacteria are prokaryotic so they have a nucleus

Answer 3

False. They are prokaryotic meaning they have NO nucleus

Question 4

T/F: Anaerobic bacteria will grow in the presence of O2

Answer 4

False

Question 5

T/F: Samples collected for bacterial culture should be immediately placed in the fridge

Answer 5

False! Keep at room temp!

Question 6

Best way to collect urine w/o getting normal flora:
A. Urine culture with urine collected from plastic litter beads
B. Urine culture with free catch urine
C. Urine culture with urethral catheterization
D. Urine culture by cystocentesis

Answer 6

D. Urine cult by cyto

Question 7

Transport media

Answer 7

General nutrient agar for most bacteria types

Question 8

Selective media

Answer 8

Encourages growth of specific bacterial type

Question 9

Differential media

Answer 9

Helps identify specific species activity or color change

Question 10

Enrichment media

Answer 10

Extra nutrients are added to help certain fastidious bacteria

Question 11

T/F: G+ bacteria have thicker peptidoglycan layer in the cell wall which allows them to retain more crystal violet stain

Answer 11

True