Human Blood Functions and Components Quiz

Which of the following is NOT a function of blood?

Which of these cells are responsible for transporting oxygen throughout the body?

Which of these cells is NOT a formed element of blood?

What is the main function of platelets?

What is the primary site of hematopoiesis after birth?

Which of the following is a component of plasma?

What is the approximate percentage of body weight accounted for by blood?

What happens to hemoglobin as it releases oxygen in the body tissues?

Which of the following is NOT a common cause of blood loss anemia?

What percentage of carbon dioxide in the blood binds to the amino acids in hemoglobin?

What does the term 'hypoxemia' refer to?

What is the normal range for pulse oximeter readings?

What is the clinical term for the percentage of hemoglobin sites occupied by oxygen in a patient's blood?

What is the typical unit of measurement for the partial pressure of oxygen (pO2)?

Which of the following is NOT a type of anemia caused by faulty or decreased RBC production?

What are the two antigens involved in ABO blood typing?

Which blood type has both A and B antigens on its erythrocytes?

Which of the following individuals has preformed anti-B antibodies circulating in their blood plasma?

What is the clinically important antigen in the Rh blood group?

What percentage of Americans are Rh positive (Rh+)?

What happens when anti-A antibodies encounter erythrocytes with A antigens?

What is the primary function of erythrocytes?

What cellular component is responsible for the red color of blood?

What is the name of the process by which the body produces new blood cells?

What is the lifespan of a typical erythrocyte?

Where does extramedullary hemopoiesis primarily occur?

What is the buffy coat composed of?

What percentage of a typical blood sample is composed of erythrocytes?

What is the primary component of plasma?

What is the function of heme in hemoglobin?

What is the role of hemopoietic growth factors in hematopoiesis?

What is the average diameter of an erythrocyte?

What is the name of the process by which worn-out erythrocytes are removed from circulation?

What is the primary location where macrophages remove worn-out erythrocytes?

What is the term for the oxygen-carrying form of hemoglobin?

What is the role of iron in hemoglobin?

Which type of leukocyte has the smallest nucleus-to-cytoplasm ratio?

Which of the following statements about eosinophils is NOT true?

What is the primary function of lysozyme, an enzyme found in neutrophil granules?

Which type of leukocyte is primarily responsible for releasing histamines and heparin?

Which type of lymphocyte is responsible for providing generalized, nonspecific immunity?

Which of the following is NOT a characteristic of memory cells?

Which type of leukocyte has granules that stain best with an acidic stain?

Which of the following is a possible cause of an abnormally low neutrophil count?

Which of the following statements is TRUE about the development of lymphocytes?

Which of the following is NOT a function of lymphocytes?

Which of the following leukocytes is responsible for the production of immunoglobulins?

Which type of leukocyte is most likely to be elevated in a patient with a parasitic worm infestation?

Which of the following is a hallmark of the inflammatory response?

Which type of leukocyte is most likely to be elevated in a patient with a bacterial infection?

Which type of leukocyte is responsible for the "halo" effect seen in some blood slides?

Which of these components is NOT found in the granules of neutrophils?

Which of the following conditions is associated with abnormally high monocyte counts?

What is the primary function of megakaryocytes?

Which of the following is NOT a characteristic of arteries?

Which of the following is TRUE about lymphocytes?

What is the primary site of secondary production and maturation of lymphocytes?

Which of the following is a characteristic of thrombocytopenia?

Which of the following statements accurately describes the role of macrophages?

Which of the following is a characteristic of a vein compared to an artery?

Which of the following conditions is associated with abnormally low lymphocyte counts?

Which of the following statements about blood vessels is TRUE?

What is the main function of the pulmonary circuit?

Which of the following is a characteristic shared by both arteries and veins?

Which of the following statements accurately describes the relationship between monocytes and macrophages?

What is the main function of the systemic circuit?

Which of the following statements about leukocyte production is TRUE?

Which of the following is NOT a characteristic of elastic arteries?

What is the main function of the tunica media in a muscular artery?

Which type of blood vessel has the smallest lumen diameter?

Which of the following statements is TRUE regarding the endothelial lining of capillaries?

Which type of capillary is most prevalent in tissues with high nutrient absorption rates?

What is the primary mechanism for the distribution of blood flow in the body?

Which of the following helps maintain the pressure gradient that drives blood flow through the arterial system?

What is the function of the intercellular clefts found in continuous capillaries?

Which of the following structures is NOT found in arterioles?

What is the main function of vasoconstriction in arterioles?

Which of the following types of capillaries is characterized by the presence of fenestrations?

Which of the following statements is TRUE regarding muscular arteries?

What is the main function of capillaries in the circulatory system?

Which of the following factors can influence the diameter of an arteriole?

Which of the following statements is NOT true regarding elastic arteries?

Which of the following describes the function of the tunica externa in blood vessels?

What is the primary role of venoconstriction in the circulatory system?

Which of the following best describes veins in comparison to arteries?

Approximately what percentage of venous blood is stored in venous networks within key organs?

Where is the vasomotor center, responsible for controlling blood flow redistribution, located?

What term is used to refer to the volume of blood that can be mobilized from venous storage during increased demand?

Which of the following statements accurately describes sinusoid capillaries?

What role do precapillary sphincters play in the circulatory system?

What is the main consequence of closed precapillary sphincters in a capillary bed?

Which statement best describes a metarteriole?

What anatomical feature is primarily responsible for the unidirectional flow of blood in veins?

Which condition results from an accumulation of fluid around cells due to increased capillary pressure?

Varicose veins are often found in conjunction with which other condition?

What primarily allows veins to act as blood reservoirs?

Which of the following is NOT a function of venules in the circulatory system?

Which of the following is true regarding edema?

What is a characteristic of sinusoids compared to other types of capillaries?

What anatomical feature ensures that blood can bypass capillary beds when necessary?

What might commonly contribute to the development of varicose veins?

Which of the following would be considered a universal donor?

What is the term used for the process by which Rh- individuals produce antibodies to Rh antigens?

Which of the following best describes the function of RhoGAM?

What is the primary reason for the decline in the incidence of hemolytic disease of the newborn (HDN)?

What is the main reason why blood type compatibility is crucial before a transfusion?

Which of the following blood types is considered the universal recipient?

Which of the following statements accurately describes the Rh blood group?

What is a potential complication of transfusing type O blood into a patient with type A, B, or AB blood?

Why is the Rh factor a concern in subsequent pregnancies for an Rh- mother?

Which of the following accurately describes the relationship between leukocytes and erythrocytes?

What is the main difference between leukocytes and erythrocytes in terms of location?

Which of the following is NOT a characteristic of leukocytes?

In an emergency situation, why may a patient receive blood from a universal donor?

What is the role of platelets in the body?

What is the most common reason for the sensitization of an Rh- mother?

Although a patient with AB+ blood type is considered a universal recipient, what potential problem could arise from receiving blood from a donor?

Which of the following is a primary cause of clot formation?

Vasa vasorum are found in which of the following?

Which tunic is the thickest in arteries?

What is the function of the internal elastic membrane?

What is NOT true about the tunica externa?

Which of the following is true about valves in veins?

How does vasoconstriction affect blood flow?

Which of the following is NOT a component of the tunica intima?

What is the main difference between the tunica media of arteries and veins?

Where is the external elastic membrane found?

Which of the following statements about the vasa vasorum is correct?

Why are arterial diseases more common than venous diseases?

Which of the following is true about the basement membrane?

What is the function of the nervi vasorum?

How does the appearance of an artery differ from that of a vein under a microscope?

Which of the following statements is true about the tunics of arteries and veins?