WorksheetsRespiration test 2
Total questions: 15
Worksheet time: 8mins
Which of the following increases the ability of oxygen binding to hemoglobin?
a decrease in pH
increase in temperature
an increase in partial pressure in oxygen
An increase in Partial Pressure of CO2
Which of the following pO 2 values results in more saturation of hemoglobin?
10 mmof Hg
50 mm of Hg
80 mm of Hg
None
When carbon dioxide is increased in the blood, it
causes oxygen to bind less to hemoglobin
cause oxygen to bind more to hemoglobin
has no effect on binding of oxygen to hemoglobin
Binding affinity remains the same.
What percentage of the carbon dioxide produced is transported via hemoglobin?
70%
20-25%
7-8%
100%
------------- is the fastest Acting enzyme in human body.
(a)
An increase in __________ will stimulate the peripheral chemoreceptors to initiate respiration.
pO2
pCO2
pN2
Haemoglobin
Name the peripheral Chemoreceptors present in human body to carry out chemical control of respiration.
(a)
----------------------- is the shape of Oxygen Dissociation Curve.
(a)
The volume of oxygen transported by 100 ml of blood to tissues under nomal conditions is
10 ml
15 ml
5 ml
25 ml
In what state iron is present in Heme group og Haemoglobin?
Fe 3+
Fe 2+
Which shift in Oxygen Dissociation curve indicates the formation of haemoglobin
Left Shift
Right Shift
Parallel Shift
Triangular shift
Which type of polypeptide chains are present in adult hemoglobin?
2α,2γ
2δ,2α
2α,2β
2ε,2δ
Binding of CO2 with haemoglobin produces
Carbaminohamoglobin
Carboxyhaemoglobin
Oxyhaemoglobin
Carbonatedhaemoglobin
Choose the correct option
2,3 DPG increases binding of O2 with Hb
2,3 DPG reduces binding of O2 with Hb
2,3 DPG is an intermediate of Krebs cycle.
2,3 DPG has more affinity with foetal haemoglobin.
The centre located in Pons for control of Respiration is
Respiratory Rhythm Centre
Chemosensitive centre
Organ oF corti
Pneumotaxic centre
