Definitions

Question 1

Symbiosis

Answer 1

Close or prolonged association between two or more different biological species
( Mutualism, Commensalism, Parasitism )

Question 2

Prokaryotes

Answer 2

They are unicellular organisms,
Don’t have membrane-bound structure
Circular DNA
Single haploid
Small and simple
They have :
- plasma membrane
- cytoplasm
-ribosomes

Question 3

Eukaryotic cells

Answer 3

Large and complex
Unicellular or multicellular
Nucleus is present
Linear DNA
paired diploid 2n
Membrane-bound organelles
They have :
-plasma membrane
-cytoplasm
-ribosomes

Question 4

Antoni Van Leeuwenhoek

Answer 4

First scientist to observe bacteria and protozoa

Question 5

Protozoa

Answer 5

Unicellular eukaryotes either free-living or parasitic

Question 6

Penicillin

Answer 6

Bactericidal beta-lactam antibiotic,
inhibits bacterial cell wall synthesis

Question 7

Oral microbiology

Answer 7

Infectious diseases seen in the mouth or showing symptoms
- more then e00 bacteria genera in the mouth

Question 8

Anaerobic bacteria

Answer 8

Germs that can survive and grow where the is no oxygen

Question 9

Candida

Answer 9

Genus of yeast fungi most common cause of fungal infection

Question 10

Hepatitis ?

-hepatitis A
-hepatitis B
-hepatitis C

Answer 10

Inflammation of the liver
- Hep.A : transmitted through faecal- oral route

-Hep.B: transmitted through contact with infected blood ( mother during childbirth to the child )

-Hep.C: transmitted through blood contact via shearing of needles ( unsafe healthcare practices)

Question 11

Oncogenesis

Answer 11

The process of normal cells transform into cancer cells

Question 12

Pemphigus

Answer 12

Autoimmune disease, where the immune system attacks top layer of the skin and the mucous membrane

Question 13

Aphthae

Answer 13

Small ulceration on a mucous membrane as in thrush caused by a fungal infection

( száj penész )

Question 14

Ulcer

Answer 14

Open sore on an external or internal surface, caused by a break in the skin mucous that fails to heal

Question 15

Acute articular rheumatism

Answer 15

An autoimmune condition that in flames the 5-15 year old child
It occurs when the immune system overreacts to an untreated strep throat

Question 16

Neurogenic inflammation

Answer 16

A form of inflammation initiated by activation of peripheral nerve system

Question 17

Gram- positive bacteria (definition)

Answer 17

They have a thick peptidoglycan layer and no outer lipid membrane
-They will stain PURPLE

Question 18

Gram- negative bacteria (definition)

Answer 18

They have a thin peptidoglycan layer and an outer lipid membrane
- they will stain PINK or RED