Question 1

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

Accepted Answer

Producing digestive enzymes for nutrient breakdown

Question 2

A patient has a hematocrit of 60%. Which of the following is most likely true?

Accepted Answer

The patient has a higher than normal percentage of red blood cells

Question 3

Which plasma protein is primarily responsible for maintaining osmotic pressure in the blood?

Accepted Answer

Albumins

Question 4

During a severe infection, which plasma protein would you expect to be elevated?

Accepted Answer

Globulins (immunoglobulins)

Question 5

Which of the following best describes the process of hemopoiesis?

Accepted Answer

The formation of blood cells from stem cells in red bone marrow

Question 6

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

Accepted Answer

Any ABO and Rh type

Question 7

Which of the following equations correctly represents the conversion of prothrombin to thrombin during coagulation?

Accepted Answer

$$\mathrm{Prothrombin} \xrightarrow{\mathrm{Prothrombinase}} \mathrm{Thrombin}$$

Question 8

Which of the following best explains why athletes train at high altitudes?

Accepted Answer

To stimulate erythropoietin (EPO) release, increasing red blood cell production

Question 9

A newborn develops jaundice shortly after birth. Which of the following is the most likely cause?

Accepted Answer

Inability of the liver to process bilirubin

Question 10

Which of the following white blood cells is most abundant in a typical blood sample and is the first to respond to infection?

Accepted Answer

Neutrophils

Question 11

A patient with a genetic mutation affecting the beta globin subunit of hemoglobin is most likely to have which condition?

Accepted Answer

Sickle cell disease

Question 12

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

Accepted Answer

They aggregate at the site of injury and release chemicals that promote clotting

Question 13

Which pathway in the coagulation cascade is initiated by tissue factor (factor III) released from damaged tissues?

Accepted Answer

Extrinsic pathway

Question 14

Which of the following is a correct statement about the recycling of red blood cell components?

Accepted Answer

Globin chains are broken down into amino acids and reused

Question 15

A person with type O- blood can safely receive blood from which of the following donors?

Accepted Answer

Type O-

Question 16

Which of the following best explains why a person with type A blood cannot safely receive type B blood?

Accepted Answer

Type A blood contains anti-B antibodies that will agglutinate type B red blood cells

Question 17

Which of the following is required for all three coagulation pathways (intrinsic, extrinsic, and common)?

Accepted Answer

Calcium ions ($$\mathrm{Ca}^{2+})$$

Question 18

A patient is diagnosed with hemophilia. Which of the following best describes the underlying problem?

Accepted Answer

Deficiency of a clotting factor

Question 19

Which of the following best describes the process of fibrinolysis?

Accepted Answer

Dissolution of a blood clot by plasmin

Question 20

Which of the following is a likely consequence of liver disease on blood composition?

Accepted Answer

Decreased production of plasma proteins such as albumin and clotting factors

Blood and Hemostasis: Structure, Function, and Clinical Relevance

Study Guide - Practice Questions