Some babies are born with a hole between the right and left atria. These babies are found to have an increased number of red blood cells. What is the reason for this increase in red blood cells in these babies?
A.
Blood is pumped faster, which causes more blood to circulate in the heart.
B.
More blood is needed in the heart because the pressure is lower.
C.
Their haemoglobin has a higher affinity for oxygen.
D.
There is a lower oxygen concentration in the body of the newborn baby.
Exam No：9700_w24_qp_11 Year：2024 Question No：30
Answer:
D
Knowledge points:
8.2.1.1 haemoglobin
8.2.1.2 carbonic anhydrase
8.2.1.3 the formation of haemoglobinic acid
8.2.1.4 the formation of carbaminohaemoglobin
8.2.2 describe the chloride shift and explain the importance of the chloride shift
8.2.3 describe the role of plasma in the transport of carbon dioxide
8.2.4 describe and explain the oxygen dissociation curve of adult haemoglobin
8.2.5 explain the importance of the oxygen dissociation curve at partial pressures of oxygen in the lungs and in respiring tissues
8.2.6 describe the Bohr shift and explain the importance of the Bohr shift
Solution:
Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Download
Android
Download
Download
Google Play
Download
Download