Question 1

Which of the following best describes the primary function of hemoglobin in erythrocytes?

Accepted Answer

To transport oxygen from the lungs to body tissues

Question 2

Which blood type is considered the universal donor for transfusions, and why?

Accepted Answer

Type O, because it has no antigens on the surface of its red blood cells

Question 3

Which of the following is NOT a formed element found in blood?

Accepted Answer

Plasma proteins

Question 4

A patient is diagnosed with thrombocytopenia. Which of the following best describes this condition?

Accepted Answer

A deficiency of platelets

Question 5

Which of the following equations correctly represents the oxygen binding capacity of hemoglobin?

Accepted Answer

$$\mathrm{Hb} + 4\mathrm{O}_2 \rightarrow \mathrm{Hb(O}_2)_4$$

Question 6

Which of the following best explains the difference between antigens and antibodies?

Accepted Answer

Antigens are foreign molecules that trigger an immune response, while antibodies are proteins that bind to antigens

Question 7

Which type of white blood cell is most abundant in human blood?

Accepted Answer

Neutrophils

Question 8

A patient with blood type AB is in need of a transfusion. Which blood type(s) can they safely receive?

Accepted Answer

A, B, AB, and O

Question 9

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

Accepted Answer

Vascular spasm, platelet plug formation, coagulation

Question 10

Which of the following best describes the difference between granulocytes and agranulocytes?

Accepted Answer

Granulocytes contain visible cytoplasmic granules, while agranulocytes do not

Question 11

Which of the following disorders is characterized by excessive clot formation in blood vessels?

Accepted Answer

Thrombosis

Question 12

A person with blood type B has which antigens and antibodies present?

Accepted Answer

B antigens, anti-A antibodies

Question 13

Which plasma protein is most important for maintaining osmotic pressure in the blood?

Accepted Answer

Albumin

Question 14

Which of the following is a multi-step process that involves both the vascular and cellular components of blood?

Accepted Answer

Hemostasis

Question 15

A patient with hemophilia is most likely to have a deficiency in which of the following?

Accepted Answer

Clotting factors

Question 16

Which of the following best describes the role of fibrin in blood clotting?

Accepted Answer

Fibrin forms a mesh that stabilizes the platelet plug

Question 17

Which of the following equations represents the conversion of fibrinogen to fibrin during coagulation?

Accepted Answer

$$\mathrm{Fibrinogen} \xrightarrow{\mathrm{Thrombin}} \mathrm{Fibrin}$$

Question 18

Which of the following white blood cells is primarily responsible for fighting parasitic infections?

Accepted Answer

Eosinophils

Question 19

A patient with type O blood receives a transfusion of type A blood. What is the most likely outcome?

Accepted Answer

Hemolytic reaction due to anti-A antibodies attacking the transfused cells

Question 20

Which of the following best explains why type AB blood is considered the universal recipient?

Accepted Answer

Type AB blood lacks anti-A and anti-B antibodies, allowing it to receive any blood type

Blood: Components, Functions, and Blood Typing Study Guide

Study Guide - Practice Questions