Q: Which of the following equations correctly calculates blood volume for a 60-kg adult?

$$\text{Blood volume} = 0.07 \times 60 = 4.2$$ liters

Question 1

A patient with a hematocrit of 30% and hemoglobin concentration of 10 g/dL is experiencing fatigue and shortness of breath. Which condition is most likely responsible for these symptoms?

Accepted Answer

Anemia

Question 2

Which plasma protein is primarily responsible for maintaining plasma osmolarity and transporting fatty acids and hormones?

Accepted Answer

Albumins

Question 3

A blood sample is fractionated. Which component will contain the majority of dissolved proteins and water?

Accepted Answer

Plasma

Question 4

A 75-kg person has approximately how many liters of blood in their body? Use the formula $$	ext{Blood volume (L)} = 0.07 	imes 	ext{body weight (kg)}.$$

Accepted Answer

$$5.25$$ liters

Question 5

Which of the following best explains why mature red blood cells (RBCs) have a biconcave shape?

Accepted Answer

To maximize surface area for gas exchange and allow flexibility in capillaries

Question 6

Which hormone is secreted by the kidneys and liver in response to hypoxia and stimulates erythropoiesis?

Accepted Answer

Erythropoietin (EPO)

Question 7

A patient with type AB negative blood receives a transfusion of type B positive blood. What is the most likely outcome?

Accepted Answer

Agglutination due to Rh incompatibility

Question 8

Which white blood cell type is most abundant in a normal differential count and is primarily responsible for phagocytosing bacteria?

Accepted Answer

Neutrophils

Question 9

Which plasma protein is converted to fibrin during the clotting process?

Accepted Answer

Fibrinogen

Question 10

A patient is exposed to an allergen and develops inflammation. Which white blood cell type is most likely to increase and release enzymes that reduce inflammation?

Accepted Answer

Eosinophils

Question 11

Which of the following is NOT a function of blood?

Accepted Answer

Producing hormones

Question 12

Which cell type is responsible for humoral immunity by differentiating into plasma cells that produce antibodies?

Accepted Answer

B lymphocytes

Question 13

A blood sample shows a WBC count of 15,000 per microliter. Which condition does this most likely indicate?

Accepted Answer

Leukocytosis

Question 14

Which of the following statements about hemoglobin is TRUE?

Accepted Answer

Each RBC contains about 280 million hemoglobin molecules

Question 15

Which of the following is the correct sequence for the development of red blood cells?

Accepted Answer

Hematopoietic stem cell → Erythroblast → RBC

Question 16

Which of the following is a function of basophils?

Accepted Answer

Release of histamine and heparin

Question 17

Which of the following equations correctly calculates blood volume for a 60-kg adult?

Accepted Answer

$$	ext{Blood volume} = 0.07 	imes 60 = 4.2$$ liters

Question 18

Which of the following is a consequence of a transfusion reaction due to incompatible blood types?

Accepted Answer

RBCs agglutinate and may hemolyze

Question 19

Which hormone stimulates the production of granulocytes and monocytes?

Accepted Answer

GM-CSF

Question 20

A patient with leukemia is most likely to have which of the following findings?

Accepted Answer

Extreme leukocytosis

Blood: Structure, Function, and Components (Anatomy & Physiology Chapter 19 Study Notes)

Guida di studio - Domande di pratica

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