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WorksheetsGas exchange
Total questions: 14
Worksheet time: 7mins
What is the name of the separate contribution of each gas in a mixture ?
common pressure
total pressure
partial pressure
piecemeal pressure
What is the main reason why gases can diffuse in different directions?
partial pressure gradient of the gas
partial pressure gradient of the fluid
partial pressure gradient of the inner environment
partial pressure gradient of the outer environment
Complete the sentence "The greater Po2 in the alveolar air..."
the less O2 blood will pick up
the more CO2 blood will pick up
the less CO2 blood will pick up
the more O2 blood will pick up
There is 3 O2 per hemoglobin molecule, what does it mean?
saturation of hemoglobin is 75%
saturation of hemoglobin is 25%
saturation of hemoglobin is 1/3
saturation of hemoglobin is full
What from the listed below IS NOT carbone monoxide effect?
Competing for O2 binding site in hemoglobin
it can binds 210 times as tightly as oxygen
it can convert O2 into carbone monoxide
carbone monoxide tends to bind hemoglobin for a long time
Carbone dioxide can be transported in how many forms in our body?
1
2
3
4
In what blood cells we can find carbonic anhydrase?
WBC
Platelets
RBC
In Serum
Which of the listed IS NOT adjust the rate of oxygen unload?
age
ambient pH
ambient Po2
temperature
Respiratory centers are located in..?
in neo cortex
in hypophysis
in brainstem
in peripheral nervous system
How condition that provided the long term hypoxemia is called?
hypoxic loss
hypoxic shift
hypoxic drive
hypoxic pick
What from the listed below IS NOT type of hypoxia?
ischemic hypoxia
anemic hypoxia
traumatic hypoxia
hypoxemic hypoxia
Why excess of pure oxygen may be toxic?
Because excess of the oxygen generates free radicals and can damage nervous tissue
Because excess of the oxygen can provide producing of excess HCl
Because excess of the oxygen can generate free radicals and can damage large arteries and veins
Because excess of the oxygen can provide producing of excess hypercapnia
What are the majors in COPDs?
acute bronchitis and emphysema
chronic bronchitis and angina pectoris
acute bronchitis and angina pectoris
chronic bronchitis and emphysema
What is the least common type of lung cancer?
squamous-cell carcinoma
small-cell carcinoma
adenocarcinoma
sarcoma
