Q: Respiratory System

Question 1

Without a continuous supply of ____ a human would die within minutes.

A) Fruit
B) Diseases
C) Oxygen
D) Nature

Answer 1

C) Oxygen

Question 2

The air that moves in and out of the lungs during normal, quiet breathing is called:

A) Tidal volume
B) Vital capacity
C) Inspiration
D) Adrenaline

Answer 2

A) Tidal volume

Question 3

The average breathing rate of adults per minute is:

A) 120 breaths
B) 20 breaths
C) 72 breaths
D) 68 breaths

Answer 3

B) 20 breaths

Question 4

A nasal sinus would not not be found in the:

A) Frontal bone
B) Ethmoid
C) Maxilla
D) Vomer

Answer 4

D) Vomer

Question 5

The medulla oblongata:

A) Is a voice box
B) Prevents the lungs from collapsing
C) Is the respiratory centre
D) Is connected to the biceps brachii

Answer 5

C) Is the respiratory centre

Question 6

Cartilage is NOT found in the:

A) Primary bronchi
B) Secondary bronchi
C) Bronchioles
D) Trachea

Answer 6

C) Bronchioles

Question 7

Gaseous exchange occurs between the capillaries and the:

A) Trachea
B) Primary bronchi
C) Alveolar sacs
D) Blood

Answer 7

C) Alveolar sacs

Question 8

The epiglottis is:

A) The voice box lid
B) Nasal cavity
C) Round tube connecting the larynx and trachea
D) Found in the left lung

Answer 8

A) The voice box lid

Question 9

The larynx and pharynx are associated mainly with which system in the human body?

A) The muscular system
B) The skeletal system
C) The circulatory system
D) The respiratory system

Answer 9

D) The respiratory system

Question 10

The C - shaped cartilaginous rings:

A) Prevent the collapse of the trachea
B) Are for no special reason
C) Protect the lungs from the ribs
D) Are found in the heart

Answer 10

A) Prevent the collapse of the trachea

Question 11

As you breathe in and out, red blood cells use a pigment called _____ to carry oxygen and carbon dioxide throughout the body.

A) Haemoglobin
B) Bilirubin
C) Carotene
D) None of the above

Answer 11

A) Haemoglobin

Question 12

Chemoreceptors are:

A) Motor receptors
B) Sensory receptors that detect certain stimuli in the environment
C) Nerve fibres that control movement
D) All of the above

Answer 12

B) Sensory receptors that detect certain stimuli in the environment

Question 13

The olfactory region lies in the:

A) Throat
B) Lower thorax
C) Upper part of the nasal cavity
D) Pelvic region

Answer 13

C) Upper part of the nasal cavity

Question 14

Oxygen passes through the larynx (Where sounds are produced) and onto the:

A) Large intestine
B) Pharynx
C) Nasal cavity
D) Trachea

Answer 14

D) Trachea

Question 15

The bronchial tubes lead directly to the:

A) Lungs
B) Trachea
C) Nostril
D) Eye sockets

Answer 15

A) Lungs

Question 16

Hypoxia is:

A) High oxygen content in the inspired air
B) Low oxygen content in the inspired air
C) Another term for too much oxygen
D) The vital capacity plus the residual air

Answer 16

B) Low oxygen content in the inspired air

Question 17

The phrenic nerve innervate (stimulates) the:

A) Intercostal muscles
B) Lung capacity
C) Diaphragm
D) Digestive system

Answer 17

C) Diaphragm

Question 18

Expiration…

A) Pulls the ribs back into place
B) Causes the ribs to expand
C) Increases the volume of thoracic cavity
D) Innervates the diaphragm

Answer 18

A) Pulls the ribs back into place

Question 19

Sinusitis is

A) Life-threatening
B) A non-inflammatory response
C) Caused by sneezing
D) Sinus contamination that happens when a pathogenic microorganism (infection, bacterium, or a parasite) becomes inside a sinus

Answer 19

D) Sinus contamination that happens when a pathogenic microorganism (infection, bacterium, or a parasite) becomes inside a sinus

Question 20

Hayfever can be:

A) An irritation to pollens of grasses, trees and other plants
B) An irritation to water
C) An irritation to colours
D) An irritation to light

Answer 20

A) An irritation to pollens of grasses, trees and other plants