BIOLOGY HIGH SCHOOL

Which blood type could be given as a transfusion for patient with AB blood when the RH factor is unknown? A.O+
B.A+
C.AB+
D.AB–

Answers

Answer 1
Answer: Patient with blood type AB RH+ can receive any type of blood, but patient with blood type AB RH- can receive all type of blood which also have RH- factor.

So here if we don't know the RH factor then the safest option is to give this patient AB RH-.

But if we would know that patient have RH+ factor then he can receive any blood type no matter what is the RH factor or blood type.

So correct answer is D. AB RH-
Answer 2
Answer:

Answer:

D

Explanation:

I just took the test


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Korea and Manchuria are the two main areas of dispute during the Russo-Japanese war.
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Answers

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Answers

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In a stem that needs to support heavy leaves, what type of ground
tissue might you expect to find?

Answers

Answer:

Collenchyma cells

Explanation:

Collenchyma cells can be described as the cell type in plants which are characterized for having thick primary walls. These cells are homogenous and elongated. Collenchyma cells tend to provide mechanical support to the plant. Hence, a stem which has to support heavy leaves will have collenchyma cells for providing mechanical support.

Collenchyma cells are usually present in herbaceous stems and in some leaves.  

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