2008- 6- 21
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#15
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أكـاديـمـي فـضـي
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رد: studying biology with الهوجاس خاص لـ nurses
Respiration
29- The trachea divides into two:
a- bronchi @
b- bronchioles
c- alveoli
d- capillaries
30- Which of the following is not correctly matched?
a- alveoli – gas exchange
b- larynx – vocal cords
c- Anaerobic respiration – uptake of oxygen
d- tracheal respiration – insects
31- During expiration the:
a- diaphragm relaxes and moves up
b- rib cage moves down and in
c- air moves out
d- all of the above occurs
32- Gas exchange in the earth worm occurs through the:
a- lungs
b- body surface
c- gills
d- tracheae
33- Inhaled air must be ………. before it reaches the lung.
a- filtered
b- warmed
c- moistened
d- all of these are correct
29- The trachea divides into two:
a- bronchi @
b- bronchioles
c- alveoli
d- capillaries
30- Which of the following is not correctly matched?
a- alveoli – gas exchange
b- larynx – vocal cords
c- Anaerobic respiration – uptake of oxygen @
d- tracheal respiration – insects
31- During expiration the:
a- diaphragm relaxes and moves up
b- rib cage moves down and in
c- air moves out
d- all of the above occurs @
32- Gas exchange in the earth worm occurs through the:
a- lungs
b- body surface @
c- gills
d- tracheae
33- Inhaled air must be ………. before it reaches the lung.
a- filtered
b- warmed
c- moistened
d- all of these are correct @
1. In which of the following structures the vocal cords are located?
a. larynx @
b. pharynx
c. bronchi
d. esophagus
2. In which of the following the lungs are connected with air sacs?
a. mammals
b. birds @
c. amphibians
d. reptiles
3. The movement of air in and out of the lungs is known as:
a. vital capacity
b. tidal volume
c. ventilation @
d. inspiration
4. In human, which one of the following structures is not involve in respiration:
a. intercostals muscles
b. lungs
c. diaphragm
d. stomach @
5. Gas exchange between the lungs and the blood occurs by a process of:
a. osmosis
b. diffusion @
c. active transport
d. none of the above
6. The tracheal system of respiration is found in:
a. mammals
b. insects @
c. birds
d. fishes
7. Carbon dioxide is mainly carried to the lungs through blood in the form of:
a. bicarbonate @
b. carbonic acid
c. oxyhaemoglobin
d. carboaminohaemoglobin
8. All of the following are characters for a respiratory surface, except:
a. an adequate surface area
b. thick wall @
c. moist
d. highly vascular
34. An efficient respiratory surface usually has the following characteristics, except:
a. well vascularized.
b. thin walled.
c. very dry.
d. large surface area.
35. The tracheal system respiration is found in :
a. mammals
b. birds.
c. insects.
d. fishes.
36. Large amount of the oxygen is transported in the blood as:
a. dissolved oxygen in the plasma.
b. oxyhaemoglobin.
c. deoxyhaemoglobin.
d. bicarbonate.
37. Most carbon dioxide in blood is in the form of:
a. carbon dioxide.
b. carbon monoxide.
c. carbonic acid.
d. bicarbonate.
73 T F The respiratory membrane is normally very thick.
74 T F Gas exchange is most efficient when rate of air flow is matched with rate of blood flow.
1. T F Aerobic respiration involves uptake of molecular oxygen.
2. T F The human trachea divides into bronchi.
73 T F The respiratory membrane is normally very thick.
74 T F Gas exchange is most efficient when rate of air flow is matched with rate of blood flow.
78. T F The bronchioles are the main surface of gas exchange.
79. T F In humans, the diaphragm contracts during exhalation.
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