Question 1

Which of the following best describes the primary function of erythrocytes in human blood?

Accepted Answer

They transport oxygen from the lungs to tissues and remove carbon dioxide.

Question 2

A patient presents with a low platelet count. Which blood cell type is most directly affected?

Accepted Answer

Thrombocytes

Question 3

Which blood cell type is primarily responsible for phagocytosis of bacteria and cellular debris?

Accepted Answer

Monocytes

Question 4

A blood smear shows cells with a bi-lobed nucleus and red or yellow granules. Which cell type is this most likely to be?

Accepted Answer

Eosinophils

Question 5

Which of the following blood cells is most involved in the immune response by producing antibodies?

Accepted Answer

Lymphocytes

Question 6

During an allergic reaction, which blood cell type releases histamine and serotonin?

Accepted Answer

Basophils

Question 7

Which of the following is NOT a function of blood as described in the study material?

Accepted Answer

Producing hormones

Question 8

A blood sample contains a high number of cells with a kidney-shaped nucleus. What is the most likely function of these cells?

Accepted Answer

Phagocytosis of pathogens

Question 9

Which cell type would you expect to be elevated in a patient with a parasitic infection?

Accepted Answer

Eosinophils

Question 10

If a blood smear shows a large number of cells with multilobed nuclei and pale granules, which cell type is most likely present?

Accepted Answer

Neutrophils

Question 11

Which of the following equations best represents the calculation for total blood volume if you know the hematocrit ($$H) $$and plasma volume ($$P$$)?

Accepted Answer

$$Total\ Blood\ Volume = H + P$$

Question 12

A patient with a deficiency in lymphocytes would most likely have problems with which of the following?

Accepted Answer

Immune response

Question 13

Which blood cell type is described as having a nucleus that is difficult to see and large purple granules?

Accepted Answer

Basophils

Question 14

Which of the following best explains why erythrocytes lack a nucleus?

Accepted Answer

To maximize their ability to transport oxygen

Question 15

Which cell type is most likely to increase in number during an acute bacterial infection?

Accepted Answer

Neutrophils

Blood Cells: Structure, Function, and Identification

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