Question

(5)
hospital patient who is feeling unwell is given a blood test.
The results of the blood test show a very low level of platelets.
What effect will this have?
A. The blood will be unable to transport nutrients, hormones and carbon dioxide.
B. The blood will not be able to carry as much oxygen to the tissues as normal.
C. There will be a greater risk of bleeding because the blood will take longer to clot.
D. There will be a greater risk of infection because the blood cannot make antibodies.​

Answer 1

Explanation:

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Answer 2

In hospital patient who is feeling unwell is given a blood test. The results of the blood test show a very low level of platelets, this will cause a greater risk of bleeding because the blood will take longer to clot. Hence, option 'C' is correct.

• Platelets also known as Thrombocytes, are the biconvex cells, which play a significant part in formed elements of the blood.
• Platelets are present as 1.5-3.5 lakh cells per mm³ of blood.
• Platelets are enucleated cells that develop from the bursting of the megakaryocytes.
• Platelets help in the coagulation of blood by forming a network of fibers around the wound.
• In case, the blood test of any person shows a very low level of platelets, this will cause a greater risk of bleeding because the blood will take longer to clot, this condition is called Thrombocytopenia.
• Thrombocytopenia may occur because of loss or damage in the red bone marrow and any inherited disease.
• In this condition, even a very small cut can cause a loss of excessive blood of a person.

So, In hospital patient who is feeling unwell is given a blood test. The results of the blood test show a very low level of platelets, this will cause a greater risk of bleeding because the blood will take longer to clot. Hence, option 'C' is correct.

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