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

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

Question 1

Which of the following best describes the primary function of erythropoietin in the body?

Accepted Answer

Increases red blood cell production in response to hypoxia

Question 2

A patient with iron-deficiency anemia is most likely to experience which of the following physiological consequences?

Accepted Answer

Reduced oxygen carrying capacity of hemoglobin

Question 3

Which blood component is responsible for the majority of blood's viscosity and oxygen transport?

Accepted Answer

Red blood cells

Question 4

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

Accepted Answer

Type O, A, B, and AB donors

Question 5

During the clotting cascade, which of the following equations correctly represents the conversion of prothrombin to thrombin?

Accepted Answer

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

Question 6

Which of the following statements about hemolytic disease of the newborn is correct?

Accepted Answer

It is caused by the mother's anti-Rh antibodies attacking the Rh+ infant's RBCs during a second pregnancy

Question 7

Which of the following is a correct sequence for hemostasis following a vascular injury?

Accepted Answer

Vascular spasm → Platelet plug formation → Coagulation

Question 8

A patient with leukemia is likely to have which of the following blood abnormalities?

Accepted Answer

Increased white blood cell count in bone marrow interfering with red blood cell production

Question 9

Which of the following best explains why type O blood is considered the universal donor?

Accepted Answer

Type O blood has no antigens on the RBCs, preventing agglutination in recipients

Question 10

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

Accepted Answer

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

Question 11

A patient is found to have a hematocrit significantly below normal. Which condition is most likely present?

Accepted Answer

Pernicious anemia

Question 12

Which of the following is NOT a function of blood?

Accepted Answer

Production of hormones for endocrine signaling

Question 13

Which of the following cell types is responsible for antibody production?

Accepted Answer

B lymphocytes

Question 14

Which pathway in the clotting cascade is activated by tissue factor leaking into a damaged vessel from outside cells?

Accepted Answer

Extrinsic pathway

Question 15

A patient with a deficiency in vitamin B12 is most likely to develop which type of anemia?

Accepted Answer

Pernicious anemia

Question 16

Which of the following statements about platelets is correct?

Accepted Answer

Platelets are anucleate cell fragments produced from megakaryocytes

Question 17

Which of the following best describes the role of neutrophils?

Accepted Answer

Phagocytosis of pathogens

Question 18

Which of the following is a correct description of the composition of normal blood?

Accepted Answer

Red blood cells make up about 44% of blood volume

Question 19

Which of the following best explains why bone marrow transplants are used to treat blood disorders?

Accepted Answer

They replace diseased or cancerous marrow with healthy marrow, restoring hematopoiesis

Question 20

Which of the following statements about the Rh factor is correct?

Accepted Answer

Rh+ blood has the Rh antigen present on RBCs

Blood: Structure, Function, and Clinical Relevance

Study Guide - Practice Questions