Question 1

Which of the following is NOT a function of blood in the human body?

Accepted Answer

Producing hormones for metabolism

Question 2

What is the primary component of plasma?

Accepted Answer

Water

Question 3

Which of the following best describes the normal pH range of blood?

Accepted Answer

$$7.35 - 7.45$$

Question 4

A patient is found to have a hematocrit of 60%. What does this most likely indicate?

Accepted Answer

Polycythemia

Question 5

Which of the following is a formed element of blood responsible for clotting?

Accepted Answer

Platelets

Question 6

Which plasma protein is most important for maintaining osmotic pressure?

Accepted Answer

Albumin

Question 7

Which of the following electrolytes is found in the highest concentration in plasma?

Accepted Answer

Sodium

Question 8

Which cell type is responsible for carrying oxygen in the blood?

Accepted Answer

Erythrocytes

Question 9

What is the function of hemoglobin in erythrocytes?

Accepted Answer

Transporting oxygen and carbon dioxide

Question 10

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

Accepted Answer

Neither anti-A nor anti-B

Question 11

Which phase of hemostasis involves the formation of a platelet plug?

Accepted Answer

Platelet phase

Question 12

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

Accepted Answer

Their blood contains no antigens

Question 13

Which white blood cell type is most abundant in a healthy adult?

Accepted Answer

Neutrophils

Question 14

Which of the following is a function of lymphocytes?

Accepted Answer

Production of antibodies

Question 15

What is the genotype of a person with type A blood who is heterozygous?

Accepted Answer

$$I^A i$$

Question 16

Which organ is primarily responsible for breaking down old erythrocytes?

Accepted Answer

Liver

Question 17

A newborn develops hemolytic disease due to Rh incompatibility. Which scenario is most likely?

Accepted Answer

Mother is Rh negative, baby is Rh positive

Question 18

Which of the following best describes the process of erythropoiesis?

Accepted Answer

Formation of red blood cells

Question 19

Which chemical triggers vascular spasm during hemostasis?

Accepted Answer

Serotonin

Question 20

If a person has blood type B and receives type A blood, what is the most likely outcome?

Accepted Answer

Agglutination and hemolysis of donor RBCs

Study Guide: Blood – Structure, Function, and Components

Study Guide - Practice Questions