Question 1

Which of the following methods is most commonly used to evaluate the efficiency of gas exchange in the lungs during a clinical assessment?

Accepted Answer

Arterial puncture

Question 2

Which of the following is NOT one of the primary types of protein dissolved in plasma?

Accepted Answer

Insulin

Question 3

Which of the following is NOT a function of blood?

Accepted Answer

Replacing Ca

Question 4

Approximately what fraction of all cells in the human body are red blood cells?

Accepted Answer

1/3

Question 5

Hemoglobin is responsible for a red blood cell's ability to carry which gas(es)?

Accepted Answer

Neither of the above

Question 6

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

Accepted Answer

Albumin

Question 7

A patient is found to have a low hematocrit and reduced hemoglobin. Which condition is most likely present?

Accepted Answer

Anemia

Question 8

Which two components make up whole blood?

Accepted Answer

Plasma and formed elements

Question 9

How many subunits does a hemoglobin molecule contain?

Accepted Answer

4

Question 10

Why can't a person with type A blood safely receive blood from a person with type B blood?

Accepted Answer

Because of the 'B' antigens in the donor's blood

Question 11

Which granulocytes make up approximately 2-4% of circulating WBCs, have 2-lobed nuclei, are phagocytic and exocytotic, and release anti-inflammatory enzymes?

Accepted Answer

Eosinophils

Question 12

Which agranulocytes make up approximately 20-40% of circulating WBCs, migrate in and out of peripheral tissues, and are responsible for specific defenses?

Accepted Answer

Lymphocytes

Question 13

A patient with chronic kidney disease has reduced erythropoietin (EPO) production. What effect would this most likely have on their blood?

Accepted Answer

Decreased red blood cell count

Question 14

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

Accepted Answer

Platelet phase

Question 15

If a person has a total blood volume of 5 liters and plasma makes up 55% of their blood, how many liters of plasma do they have?

$$	ext{Plasma volume} = 	ext{Total blood volume} 	imes 0.55$$

Accepted Answer

2.75 liters

Question 16

Which plasma protein is directly involved in blood clotting?

Accepted Answer

Fibrinogen

Question 17

A patient receives a transfusion of mismatched blood. Which immune response is most likely triggered?

Accepted Answer

Antibody production against donor antigens

Question 18

Which of the following best describes the role of neutrophils in the immune system?

Accepted Answer

Active phagocytes that engulf bacteria

Question 19

If a patient has a platelet count of 100,000/uL (normal range: 150,000-400,000/uL), which condition are they most likely experiencing?

Accepted Answer

Thrombocytopenia

Question 20

Which of the following is a function of blood that helps maintain homeostasis during exercise?

Accepted Answer

Transporting oxygen to muscles

Chapter 11: The Cardiovascular System – Blood (Essentials of Anatomy & Physiology)

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