Question

Which of the following is associated with the sickle cell trait? a) abnormally high number of...

Which of the following is associated with the sickle cell trait?

a) abnormally high number of white blood cells (WBCs)

b) resistance to the malaria-causing parasite

c) abnormally high number of erythrocytes

d) anemia and extreme pain in capillaries

Science   Anatomy-And-Physiology   
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Answer #1

Answer: Out of the given options, option A, B and D are related to sickle cell trait.

A- WBCs and platelet count are usually high in sickle cell disease.

B- People who develop sickle cell trait are resistant to malaria causing parasite Plasmodium falciparum.

C- In sickle cell disease structure of erythrocytes change from round and flexible to sickle shaped. It has nothing to do with numbers.

D- Due to change in structure of RBCs, the blood carrying capacity is decreased in sickle cell disease patients. This leads to anemia, called sickle cell anemia. Also, the change in shape might lead to obstruction of blood flow in capillaries leading to severe pain.

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