Quiz: Respiratory System

1. The process that most living organisms perform to obtain energy from sugar and oxygen is called:
A breathing
B respiration
C digestion
2. The waste products of respiration are:
A carbon dioxide and sugar
B water and energy
C water and carbon dioxide
3. Cilia in the respiratory tract serves to:
A warm the air
B add moisture to inhaled air
C filter dust from the air
4. The place at the back of the mouth through which both food and air pass is the:
A pharynx
B windpipe
C larynx
5. The medical name for the voicebox is the:
A pharynx
B bronchus
C larynx
6. The scientific name for the windpipe is the:
A bronchi
B trachea
C oesophagus
7. The flap which covers the top of the trachea when swallowing food is the:
A peristalsis
B larynx
C epiglottist
8. The windpipe is protected at the front by:
A cartilage
B bony protrusions
C a thick flap of skin
9. How many bronchi are there in the respiratory tract?
Atwo
Bmany
Cnone
10. Air sacs in the lungs are correctly termed:
Aalveoli
Bbronchi
Ccilia
11. What type of blood vessel surrounds each air sac?
Aartery
Bvein
Ccapillary
12. When inhaling, the chest cavity and the lungs:
Arelax
Benlarge
Cincrease in internal air pressure
13. The name for breathing out is:
Arespiration
Binhalation
Cexhalation
14. Our breathing is controlled by the part of the brain called the:
Acerebrum
Bmedulla oblongata
Cspinal cord
15. The stimulus to take a breath is:
Atoo much carbon dioxide in the blood
Btoo little oxygen in the blood
Cblood temperature higher than 37 °C

 

Your Answers
Q 1:
Q 2:
Q 3:
Q 4:
Q 5:
Q 6:
Q 7:
Q 8:
Q 9:
Q10:
Q11:
Q12:
Q13:
Q14:
Q15:
Correct Answers
Q 1:
Q 2:
Q 3:
Q 4:
Q 5:
Q 6:
Q 7:
Q 8:
Q 9:
Q10:
Q11:
Q12:
Q13:
Q14:
Q15: