Role of Chemoreceptor in Breathing
Assessment
•
zuraidah Mohamed
•
Biology
•
12th Grade
•
11 plays
•
Medium
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10 questions
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1.
Multiple Choice
When chemoreceptors detect a slight decrease in pH, this means that _______________ concentrations have increased, and the breathing rate must ________________ .
Carbon dioxide; increase.
Carbon dioxide; decrease.
Oxygen; increase.
Oxygen; decrease.
2.
Multiple Select
Which of the following are the chemoreceptors that responsible in control breathing?
Aortic bodies
Aorta bodies
Carotid bodies
Carotic bodies
3.
Multiple Choice
which of the following explains the meaning of the Bohr effect?
The effect of the partial pressure of oxygen in blood on the affinity of haemoglobin towards carbon dioxide.
The effect of the partial pressure of carbon dioxide on the dissociation of oxyhaemoglobin.
The affinity of haemoglobin toward oxygen.
The affinity of haemoglobin towards carbon dioxide.
4.
Multiple Choice
The partial pressure of carbon dioxide in leg muscle increases after a vigorous workout. Which of the following regulatory actions will occur to correct the above situation?
Chemoreceptors in the respiratory and cardiovascular centres in the brain are stimulated
The rate of heartbeat decreases
Arterioles in the leg muscles constrict
5.
Multiple Choice
True
False
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