Gas exchange

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