Download Respiratory System ICA 07 – A

Respiratory System ICA 07 – A
1. What is the diaphragm?
a. The seal of tissue at the top of the trachea that stops food or drink
from being inhaled.
b. A sheet of muscle beneath the lungs that is essential for breathing.
c. The cup-like structure found at the base of each lung that aids the
gas exchange.
2. What is another name for the trachea?
a. Windpipe
b. Throat
c. Lungs
3. What are the smallest tubes that carry oxygen?
a. Bronchi
b. Bronchioles
4. What is the correct order for the bronchial tree?
a. bronchi, bronchioles, alveoli
b. bronchi,trachea, alveoli
c. trachea, lungs, alveoli
d. trachea, bronchi, alveoli
5. What is the name of the membrane which surrounds and protects the lungs?
a. Bronchial membrane
b. tracheal membrane
c. cell membrane
d. Pleural membrane
6. What is the other structure that protects the lungs?
a. Heart
b. rib cage
c. spine
7. Name the respiratory muscles
a. intercostals, pectoral
b. abdominal, intercostals
c. diaphragm, intercostals
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8. What happens to the rib cage during inspiration?
a. Moves upwards and outwards
b. Moves upwards in a straight line
c. Remains in the same position
d. Moves downwards and outwards
9. What happens to the diaphragm during expiration?
a. Contracts and flattens
b. Contracts and becomes dome shaped
c. Remains the same shape
d. Relaxes back to its dome shape
10. What is the name of the process by which gaseous exchange occurs at the
Aveolar membrane?
a. Diffusion
b. Osmosis
c. Contraction
d. Division
11. What is the Tidal Volume?
a. Volume of air moving in and out of the lungs during a normal breathe
b. Volume of air that can be forced out of the lungs in one second
c. Volume of air remaining in the lungs after a forced expiration
d. Sum of all the lung volumes
12. What is the residual volume?
a. Volume of gas which remains in the lungs after a forced expiration
b. Volume of air exhaled during a normal expiration
c. Volume of air moving in and out of the lungs during a normal breathe
d. Volume of air that can be held in the lungs
13. Which part of the brain controls respiration?
a. Cardiac Centre
b. Vasomotor Centre
c. Respiratory Centre
d. Cerebellum
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14. Which of the following receptors are NOT involved in the regulation of
respiration?
a. Hormonal
b. Chemoreceptors
c. Baroreceptors
d. Stretch receptors
15. The structure which closes off the larynx is the
a. glottis.
b. Adam's apple.
c. epiglottis.
d. vocal cords.
16. Which of the following describes a correct order of structures in the
respiratory passeways?
a. pharynx, trachea, larynx, bronchi, bronchioles
b. larynx, pharynx, trachea, bronchiles, bronchi
c. trachea, pharynx, larynx, bronchi, bronchioles
d. pharynx, larynx, trachea, bronchi, bronchioles
17. The volume of air that can be exhaled after normal exhaltation is the
a. tidal volume.
b. residual volume.
c. inspiratory reserve volume.
d. expiratory reserve volume.
18. Most oxygen in the blood is transported
a. as gas dissolved in plasma.
b. as oxyhemoglobin.
c. as carboxyhemoglobin.
d. as bicarbonate.
19. The primary chemical stimulus for breathing is the concentration of
a. carbon monoxide in the blood.
b. carbon dioxide in the blood.
c. oxygen in the blood.
d. carbonic acid in the blood.
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20. Which of the following mechanisms causes air to enter the lungs?
Diaphragm
Rib Muscles
Thoracic Pressure
a. contracts
relax
increases
b. relaxes
relax
decreases
c. contracts
contract
decreases
d. relaxes
relax
increases
1.
Provide a general description and an explanation of the function of each of
the following parts of the respiratory system.
a.
Pharynx
b.
Trachea
c.
Epiglottis
d.
Larynx
e.
bronchi (bronchus)
f.
bronchioles
g.
alveoli
h.
diaphragm
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1.
Describe what causes the pressure changes in the respiratory system. Be
sure to explain the volume and pressure changes.
2.
a) What happens to a person’s ability to create a pressure difference
between the outside air and the thoracic cavity when a hole is made in the
wall of the chest?
b) What must be done to fix this situation?
3.
Give a description of the following disorders:
a.
Bronchitis
b.
Bronchial Asthma
c.
Emphysema
d.
Lung Cancer
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