Oxygen and Carbon Dioxide Transport Quiz

What is the primary respiratory pigment in blood that carries oxygen?

• Carbaminohemoglobin

• Chlorophyll

• Hemoglobin

• Myoglobin

At what oxygen tension is hemoglobin approximately 96% saturated?

• 5.3 kPa

• 14 kPa

• 2 kPa

• 12 kPa

What happens to the oxygen dissociation curve when pH decreases?

• It becomes steeper

• It shifts to the right

• It shifts to the left

• It becomes flatter

What is the effect of temperature on hemoglobin's ability to carry oxygen?

• Increases oxygen binding

• Decreases oxygen binding

• Increases carbon dioxide binding

• No effect

What is the term for the phenomenon where increased carbon dioxide concentration decreases hemoglobin saturation?

• Oxygen tension

• Haldane effect

• Bohr effect

• Chloride shift

Which factor does NOT affect the oxygen dissociation curve?

• Carbon monoxide

• pH

• Blood volume

• Temperature

What is the primary role of myoglobin in muscle tissue?

• Store oxygen

• Regulate pH

• Transport carbon dioxide

• Transport nutrients

What is the effect of carbon monoxide on hemoglobin?

• Decreases oxygen transport

• Increases oxygen transport

• Increases carbon dioxide transport

• No effect

How does fetal hemoglobin differ from adult hemoglobin?

• It binds carbon dioxide more effectively

• It cannot bind oxygen

• It has a higher affinity for oxygen

• It has a lower affinity for oxygen

What is the chloride shift?

• Movement of chloride ions into red blood cells

• Movement of bicarbonate ions into red blood cells

• Binding of carbon dioxide to hemoglobin

• Release of oxygen from hemoglobin