Respiratory system

Question 1

larynx known as the …

Answer 1

voice box

Question 2

what 3 structures does the UPPER resp tract consist of

Answer 2

nasal cavity
pharynx
larynx

Question 3

what 3 structures does the LOWER resp tract consist of

Answer 3

trachea
primary bronchi
lungs

Question 4

beneath which structure does the LOWER resp tract starts

Answer 4

larynx

Question 5

is it the UPPER or LOWER resp tract that is sterile - has no pathogen

Answer 5

LOWER

Question 6

which tract has the presence of commensal bacteria

Answer 6

UPPER
eg. strep, candida

Question 7

RHS and LHS of lungs divided into lobes
how many lobes on each side

Answer 7

RHS (left on paper) - 3 - upper/ middle/ lower
LHS - 2 - upper/ lower (lower lobe at the back)

Question 8

where do lung cancers mainly arise from - what structure

Answer 8

tracheal bronchial tree

Question 9

name 2 UPPER resp tract infections

Answer 9

influenza
SARS-Cov2

Question 10

influenza virus - how many segments is the RNA divided into

Answer 10

8

Question 11

what % of population infected every year with influenza

Answer 11

10-20%

Question 12

list parts of the structure of influenza virus

Answer 12

M1
lipid bilayer
neuraminidase
heamagglutinin

Question 13

list the 3 types of influenza

Answer 13

TYPE A
TYPE B
TYPE C

Question 14

TYPE A influenza - hosts?

Answer 14

humans
birds
pigs
horses

Question 15

TYPE B influenza - hosts?

Answer 15

humans only

Question 16

TYPE C influenza - hosts?

Answer 16

humans only

Question 17

influenza - in humans there are 3 HA types and 3 NA types, what are they?

Answer 17

HA - H1, H2, H3
NA - N1, N2, N8

Question 18

influenza - in birds what are the HA and NA types

Answer 18

ALL HA TYPES
ALL NA TYPES