$\frac{\text{Volume of RBCs}}{\text{Total Blood Volume}} \times 100$

Question 1

Which of the following is NOT a primary function of blood?

Accepted Answer

Production of hormones

Question 2

A hematocrit test is used to determine which of the following?

Accepted Answer

The percentage of red blood cells in blood volume

Question 3

Which formed element of blood is responsible for transporting oxygen?

Accepted Answer

Erythrocytes

Question 4

A patient has a hematocrit of 60%. What condition might this indicate?

Accepted Answer

Polycythemia

Question 5

Which plasma protein is most abundant and primarily responsible for maintaining osmotic pressure?

Accepted Answer

Albumin

Question 6

If a person has blood type AB, which antibodies are present in their plasma?

Accepted Answer

Neither anti-A nor anti-B

Question 7

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

Accepted Answer

They form a temporary plug at the site of vessel injury

Question 8

A patient with sickle-cell anemia is most likely to experience which of the following complications?

Accepted Answer

Premature destruction of RBCs leading to anemia

Question 9

Which of the following equations correctly calculates the hematocrit percentage?

Accepted Answer

$\frac{	ext{Volume of RBCs}}{	ext{Total Blood Volume}} 	imes 100$

Question 10

Which of the following statements about erythropoietin (EPO) is correct?

Accepted Answer

EPO is released by the kidneys in response to hypoxia

Question 11

A patient with renal anemia would most likely benefit from which treatment?

Accepted Answer

Synthetic erythropoietin

Question 12

Which leukocyte is most abundant in normal blood and increases during bacterial infections?

Accepted Answer

Neutrophil

Question 13

Which step in hemostasis involves the conversion of fibrinogen to fibrin?

Accepted Answer

Coagulation

Question 14

A patient receives a transfusion of mismatched blood. Which of the following is the most immediate risk?

Accepted Answer

Agglutination and hemolysis of donor RBCs

Question 15

Which of the following is a correct description of the ABO blood group system?

Accepted Answer

Type A blood has A antigens and anti-B antibodies

Question 16

Which of the following best explains why vitamin K deficiency can lead to bleeding disorders?

Accepted Answer

Vitamin K is necessary for the synthesis of several clotting factors

Question 17

A patient with thrombocytopenia is at increased risk for which of the following?

Accepted Answer

Prolonged bleeding due to low platelet count

Question 18

Which of the following best describes the fate of heme after erythrocyte destruction?

Accepted Answer

It is degraded to bilirubin and excreted in bile

Question 19

Which equation best represents the calculation for blood volume percentage in the body?

Accepted Answer

$\frac{	ext{Blood Volume}}{	ext{Body Weight}} 	imes 100$

Question 20

A patient with type O negative blood is considered a universal donor because:

Accepted Answer

Their RBCs lack A, B, and Rh antigens

Chapter 17: Blood – Structure, Function, and Composition

Study Guide - Practice Questions