Question 1

Which of the following best describes the primary function of red blood cells (erythrocytes) in the human body?

Accepted Answer

To transport oxygen and carbon dioxide

Question 2

A patient is found to have a hematocrit of 30%. Which condition is most likely present?

Accepted Answer

Anemia

Question 3

Which plasma protein is primarily responsible for maintaining osmotic balance with interstitial fluid?

Accepted Answer

Albumin

Question 4

A person with type O blood can safely donate blood to which of the following recipients?

Accepted Answer

Type A, B, AB, and O recipients

Question 5

Which of the following best explains why high hematocrit levels can be dangerous?

Accepted Answer

They increase blood viscosity, making the heart work harder

Question 6

What is the role of erythropoietin (EPO) in red blood cell production?

Accepted Answer

It stimulates stem cells in the bone marrow to produce more red blood cells

Question 7

Which of the following is the correct sequence of events in the coagulation process?

Accepted Answer

Prothrombin → Thrombin → Fibrinogen → Fibrin

Question 8

A patient with hemophilia A is deficient in which of the following?

Accepted Answer

Clotting factor VIII

Question 9

Which type of white blood cell is most abundant and is the first to respond to infection by engulfing microorganisms?

Accepted Answer

Neutrophils

Question 10

A woman who is Rh-negative is pregnant with an Rh-positive fetus. What is the risk if she is not treated with Rho-GAM?

Accepted Answer

Her immune system may attack the fetus's red blood cells in subsequent pregnancies

Question 11

Which of the following best describes the function of gamma globulins in plasma?

Accepted Answer

They act as antibodies in the immune response

Question 12

A patient with a bacterial infection of the blood is diagnosed with septicemia. Which of the following symptoms might you expect?

Accepted Answer

Red streaks on the arms or legs

Question 13

Which of the following statements about blood plasma is correct?

Accepted Answer

It contains hormones, nutrients, and metabolic wastes

Question 14

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

Accepted Answer

They have neither anti-A nor anti-B antibodies

Question 15

Which of the following is a possible consequence of injecting erythropoietin (EPO) to increase red blood cell production in athletes?

Accepted Answer

Increased risk of heart strain due to higher blood viscosity

Question 16

Which of the following best describes the fate of aged red blood cells in the body?

Accepted Answer

They are removed by macrophages in the liver and spleen

Question 17

A patient with thrombocytopenia would most likely experience which of the following symptoms?

Accepted Answer

Unusual bruising and bleeding

Question 18

Which of the following is a function of the circulatory system?

Accepted Answer

Transport of nutrients, gases, and wastes

Question 19

Which of the following best describes the role of platelets in hemostasis?

Accepted Answer

They initiate the clotting process and participate in vessel repair

Question 20

Which of the following is a real-world example of a condition caused by the destruction of red blood cells?

Accepted Answer

Hemolytic anemia

Chapter 7: Blood – Structure, Function, and Disorders

Study Guide - Practice Questions