IMED1004 Weeks 1-6 Exam Questions and Answers Fully Solved Graded A+
Bacteria - Answers small prokaryotes that can be gram positive or gram negative
9 essential amino acids - Answers histidine, isoleucine, leucine, lysine, methionine, phenylalanine,
threonine, tryptophan, valine
Gram positive colour - Answers Purple, one membrane
Gram Negative Colour - Answers Pink, two membranes
Fungi - Answers A diverse group of eukaryotes that may be uni- or multi-cellular
Protozoa - Answers generally unicellular eukaryotes lacking a cell wall
Viruses - Answers very small, acellular parasites, requiring a host cell in which to replicate
Prions - Answers infective proteins
Bacteriology - Answers study of bacteria
Protozoology - Answers study of protozoa
Mycology - Answers study of fungi
Phycology - Answers study of algae
Virology - Answers study of viruses
Taxonomy - Answers The scientific study of how living things are classified
Bacillus - Answers Rod shaped bacteria
Coccus - Answers A spherical bacterium.
Spirillum - Answers spiral shaped bacteria
Vibrio - Answers comma shaped
Spirochete - Answers spiral-shaped bacteria
Diplococcus - Answers pair of cocci
Streptococcus - Answers chain of cocci
Staphylococcus - Answers cluster of cocci
Contamination - Answers unwanted presence of microorganism = not sterile
, Colonisation - Answers presence and replication of microorganism on a body surface without causing
disease
Infection - Answers presence and replication of a disease-causing microorganism
Infectious Disease - Answers infection that causes damage to host cells and/or interferes with normal
host function
Commensalism - Answers two organisms of different species living in close association - one benefits,
the other is neither benefitted nor harmed
Pathogen - Answers a disease-causing microorganism
Carrier - Answers colonisation with a pathogen without disease
Opportunistic Infection - Answers disease caused by a microbe that does not usually cause disease
Cytokines - Answers chemicals that activate WBCs
Chemokines - Answers chemicals that recruit more WBCs
Macrophages - Answers First responders
Neutrophils - Answers Eat and die
8 Requirements for infection - Answers 1. Maintenance in reservoir
2. Transmission to host
3. Invasion through a portal of entry
4. Adherence to host tissue
5. Infection: Multiplication w/I host
6. Temporary evasion of host defences
7. Disease: interference with normal host function
8. Exit via portal of exit and transmission
Zoonosis - Answers Human disease for which an animal is a reservoir
Infectious Dose 50% (ID 50) - Answers number of organisms required for 50% of host population to show
signs of infection
Lethal Dose 50% (LD50) - Answers number of organisms required to kill 50% of a host population
Symptoms of inflammation - Answers Swelling, redness, heat, pain
Bacteria - Answers small prokaryotes that can be gram positive or gram negative
9 essential amino acids - Answers histidine, isoleucine, leucine, lysine, methionine, phenylalanine,
threonine, tryptophan, valine
Gram positive colour - Answers Purple, one membrane
Gram Negative Colour - Answers Pink, two membranes
Fungi - Answers A diverse group of eukaryotes that may be uni- or multi-cellular
Protozoa - Answers generally unicellular eukaryotes lacking a cell wall
Viruses - Answers very small, acellular parasites, requiring a host cell in which to replicate
Prions - Answers infective proteins
Bacteriology - Answers study of bacteria
Protozoology - Answers study of protozoa
Mycology - Answers study of fungi
Phycology - Answers study of algae
Virology - Answers study of viruses
Taxonomy - Answers The scientific study of how living things are classified
Bacillus - Answers Rod shaped bacteria
Coccus - Answers A spherical bacterium.
Spirillum - Answers spiral shaped bacteria
Vibrio - Answers comma shaped
Spirochete - Answers spiral-shaped bacteria
Diplococcus - Answers pair of cocci
Streptococcus - Answers chain of cocci
Staphylococcus - Answers cluster of cocci
Contamination - Answers unwanted presence of microorganism = not sterile
, Colonisation - Answers presence and replication of microorganism on a body surface without causing
disease
Infection - Answers presence and replication of a disease-causing microorganism
Infectious Disease - Answers infection that causes damage to host cells and/or interferes with normal
host function
Commensalism - Answers two organisms of different species living in close association - one benefits,
the other is neither benefitted nor harmed
Pathogen - Answers a disease-causing microorganism
Carrier - Answers colonisation with a pathogen without disease
Opportunistic Infection - Answers disease caused by a microbe that does not usually cause disease
Cytokines - Answers chemicals that activate WBCs
Chemokines - Answers chemicals that recruit more WBCs
Macrophages - Answers First responders
Neutrophils - Answers Eat and die
8 Requirements for infection - Answers 1. Maintenance in reservoir
2. Transmission to host
3. Invasion through a portal of entry
4. Adherence to host tissue
5. Infection: Multiplication w/I host
6. Temporary evasion of host defences
7. Disease: interference with normal host function
8. Exit via portal of exit and transmission
Zoonosis - Answers Human disease for which an animal is a reservoir
Infectious Dose 50% (ID 50) - Answers number of organisms required for 50% of host population to show
signs of infection
Lethal Dose 50% (LD50) - Answers number of organisms required to kill 50% of a host population
Symptoms of inflammation - Answers Swelling, redness, heat, pain
