$$4 \\text{O}_2 + 1 \\text{Hb} \\rightarrow \\text{Hb(O}_2)_4$$

Question 1

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

Accepted Answer

Producing hormones for endocrine organs

Question 2

A patient is experiencing tissue hypoxia. Which of the following is the most likely cause?

Accepted Answer

Too few red blood cells (RBCs)

Question 3

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

Accepted Answer

Albumin

Question 4

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

Accepted Answer

All blood types (A, B, AB, O)

Question 5

Which of the following best describes the role of erythropoietin (EPO) in erythropoiesis?

Accepted Answer

EPO stimulates the formation of new RBCs in response to hypoxia

Question 6

A patient with pernicious anemia is most likely to have which of the following deficiencies?

Accepted Answer

Vitamin B12

Question 7

Which of the following equations correctly represents the oxygen-carrying capacity of hemoglobin?

Accepted Answer

$$4 \text{O}_2 + 1 \text{Hb} \rightarrow \text{Hb(O}_2)_4$$

Question 8

Which of the following best explains why individuals with sickle cell anemia experience pain and organ damage?

Accepted Answer

Their RBCs are abnormally shaped and block small blood vessels

Question 9

A patient is found to have a high hematocrit value. Which of the following is the most likely consequence?

Accepted Answer

Increased risk of blood clot formation

Question 10

Which of the following is a correct sequence of events in hemostasis?

Accepted Answer

Vascular spasm → Platelet plug formation → Coagulation

Question 11

Which of the following statements about leukocytes is TRUE?

Accepted Answer

Leukocytes are complete cells with nuclei and organelles

Question 12

A patient with a deficiency in clotting factor VIII is most likely to have which condition?

Accepted Answer

Hemophilia

Question 13

Which of the following best describes the function of basophils?

Accepted Answer

Release of histamine to attract other WBCs to inflamed sites

Question 14

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

Accepted Answer

Their RBCs lack A and B antigens

Question 15

Which of the following is the correct order of leukocyte abundance in normal blood (from most to least abundant)?

Accepted Answer

Neutrophils \u003e Lymphocytes \u003e Monocytes \u003e Eosinophils \u003e Basophils

Question 16

Which of the following best explains the danger of transfusing mismatched blood?

Accepted Answer

The recipient's plasma antibodies agglutinate the donor's RBCs, causing vessel blockage and hemolysis

Question 17

Which of the following best describes the process of erythropoiesis?

Accepted Answer

Production of red blood cells from hematopoietic stem cells in bone marrow

Question 18

A patient with chronic kidney disease is likely to develop anemia primarily because:

Accepted Answer

The kidneys cannot produce enough erythropoietin

Question 19

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 20

Which of the following best explains why Rh-negative mothers may require RhoGAM during pregnancy?

Accepted Answer

To prevent the mother's immune system from attacking Rh-positive fetal RBCs

Comprehensive Study Notes: Blood and Its Functions (Chapter 17)

Study Guide - Practice Questions