$$7.35 \u003c \text{pH} \u003c 7.45$$

Question 1

Which of the following best describes the primary function of erythrocytes in the circulatory system?

Accepted Answer

To transport oxygen from the lungs to tissues and carbon dioxide from tissues to the lungs

Question 2

A patient with a hematocrit of 30% is most likely suffering from which condition?

Accepted Answer

Anemia

Question 3

Which plasma protein is most responsible for maintaining blood osmolarity and viscosity?

Accepted Answer

Albumin

Question 4

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

Accepted Answer

Type A, B, AB, or O

Question 5

Which of the following best explains why red blood cells lack mitochondria?

Accepted Answer

To prevent the consumption of oxygen they are transporting

Question 6

What is the main difference between agglutination and coagulation?

Accepted Answer

Agglutination is the clumping of red blood cells by antibodies, while coagulation is the trapping of cells by fibrin

Question 7

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

Accepted Answer

Vascular spasm, platelet plug formation, coagulation

Question 8

A patient with type A- blood is exposed to Rh+ blood for the first time. What is the most likely immune response?

Accepted Answer

No immediate response, but anti-Rh antibodies will be produced for future exposures

Question 9

Which of the following best describes the role of fibrinogen in blood?

Accepted Answer

It is converted to fibrin during coagulation to form blood clots

Question 10

A patient with sickle-cell anemia has a mutation in the gene for which protein?

Accepted Answer

Hemoglobin

Question 11

Which of the following is NOT a function of blood?

Accepted Answer

Synthesis of hormones

Question 12

Which of the following statements about leukocytes is TRUE?

Accepted Answer

They are involved in immune defense and reside mainly in connective tissues

Question 13

Which of the following best describes the process of hematopoiesis?

Accepted Answer

The production of all formed elements of blood from stem cells

Question 14

A patient with type O blood can safely donate red blood cells to which of the following recipients?

Accepted Answer

Any ABO blood type

Question 15

Which of the following equations best represents the relationship between blood pH and acidosis/alkalosis?

Accepted Answer

$$7.35 \u003c 	ext{pH} \u003c 7.45$$

Question 16

Which of the following is a granulocyte?

Accepted Answer

Neutrophil

Question 17

Which of the following best explains why red blood cells cannot repair themselves?

Accepted Answer

They lack a nucleus and DNA

Question 18

Which of the following is the correct order of abundance in whole blood from most to least?

Accepted Answer

Erythrocytes \u003e Platelets \u003e Leukocytes

Question 19

A patient with infectious mononucleosis is likely to have an excess of which type of leukocyte?

Accepted Answer

Lymphocytes

Question 20

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

Accepted Answer

They play a key role in hemostasis by forming plugs and releasing chemicals for clotting

The Circulatory System: Blood – Structure, Function, and Clinical Relevance

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