Question 1

Which process allows white blood cells to exit the bloodstream and move toward sites of infection?

Accepted Answer

Diapedesis

Question 2

A patient presents with an abnormally high platelet count. What is the most likely risk associated with this condition?

Accepted Answer

Higher risk of blood clots and bleeding

Question 3

Which type of white blood cell is most numerous in a typical blood sample and is the first to arrive at an infection site?

Accepted Answer

Neutrophils

Question 4

Which plasma protein is most abundant and plays a major role in maintaining blood colloid osmotic pressure?

Accepted Answer

Albumins

Question 5

A person with type AB blood can safely receive blood from which of the following types?

Accepted Answer

Type AB, A, B, and O

Question 6

Which white blood cell type releases histamine to promote inflammation and plays a role in allergic reactions?

Accepted Answer

Basophils

Question 7

What is the primary function of B lymphocytes?

Accepted Answer

Production of antibodies

Question 8

Which of the following best describes the genetic inheritance of ABO blood types?

Accepted Answer

A and B alleles are codominant, both dominant over i

Question 9

A patient with thrombocytopenia is most likely to experience which symptom?

Accepted Answer

Bleeding and bruising easily

Question 10

Which of the following is the correct sequence of events in hemostasis?

Accepted Answer

Vascular spasm, platelet plug formation, blood coagulation

Question 11

Which cell fragments are responsible for the stoppage of bleeding and are produced from megakaryocytes?

Accepted Answer

Platelets

Question 12

Which white blood cell type increases in number during viral infections and inflammation, and can become macrophages in tissues?

Accepted Answer

Monocytes

Question 13

A patient with Rh- blood receives Rh+ blood for the first time. What is the most likely immune response?

Accepted Answer

Development of anti-Rh antibodies

Question 14

Which of the following equations correctly represents the percentage composition of plasma proteins?

Accepted Answer

$$Albumins: 60\%$$, $$Globulins: 36\%$$, $$Fibrinogen: 4\%$$

Question 15

Which of the following best describes the role of fibrinogen in blood coagulation?

Accepted Answer

It is converted into insoluble fibrin to reinforce the platelet plug

Question 16

Which of the following scenarios could result in a transfusion reaction?

Accepted Answer

Transfusing type A blood into a type B recipient

Question 17

Which white blood cell type is primarily responsible for attacking parasitic worms and releasing toxic chemicals?

Accepted Answer

Eosinophils

Question 18

A blockage of blood flow by a thrombus is called:

Accepted Answer

Thrombosis

Question 19

Which hormone stimulates the development of platelets from megakaryocytes?

Accepted Answer

Thrombopoietin

Question 20

If a clot dislodges and travels through the bloodstream, what is it called?

Accepted Answer

Embolus

Blood: White Blood Cells, Platelets, Plasma, and Hemostasis

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