The Threat of Disease

Question 1

prokaryotes vs eukaryotes

Answer 1

smaller, unicellular, no membrane, asexual

larger, multicellular, have membrane, sexual

Question 1

virus

Answer 1

non-living, no cellular structures, protein capsule, mutate, antivirals

Question 2

bacteria

Answer 2

prokaryotic, unicellular, cell wall

Question 3

protozoa

Answer 3

eukaryotic, unicellular, motile

Question 4

fungi

Answer 4

eukaryotic, uni/multicellular, cell wall, produce spores

Question 5

helminths

Answer 5

eukaryotic, multicellular, don’t proliferate in host

Question 6

normal flora

Answer 6

outcompete pathogenic bacteria, change environmental conditions, inhibits pathogens, stimulate local immunity

compete for nutrients, opportunistic infection

Question 7

contact, vehicle, vector, fomite, vertical

Answer 7

in/direct touch, consumables, animal, inanimate object, placental

Question 8

chain of infection

Answer 8

infectious agent, reservoir, portal of entry, mode of transmission, portal of exit, susceptible host

Question 9

layers of skin

Answer 9

epidermis, dermis, hypodermis

Question 10

cutaneous sensation

Answer 10

sensory receptors (mechanoreceptors, thermoreceptors, hair follicle receptors, nociceptors)