Which specific component of the hemoglobin molecule undergoes reversible binding with oxygen?
Globin chains
Iron within the heme group
Protoporphyrin ring
Histidine residues
Related Questions
A patient suffering from severe burns experiences extensive plasma loss. Which of the following blood components would be MOST crucial to administer immediately to stabilize their circulatory volume?
Packed red blood cells
Platelet concentrate
Plasma expanders like dextran
Whole blood
Human red blood cells eject their nucleus during maturation. This adaptation primarily contributes to:
Increased cell lifespan
Increased hemoglobin content
Enhanced immune response
Faster cell division
In individuals with blood type AB, which of the following BEST describes the interaction between their blood serum and erythrocytes from a type O individual?
No agglutination occurs
Agglutination occurs due to anti-A antibodies
Agglutination occurs due to anti-B antibodies
Agglutination occurs due to both anti-A and anti-B antibodies
All of the following are functions of basophils EXCEPT:
Release of histamine
Release of heparin
Involvement in inflammatory responses
Phagocytosis of bacteria
If a patient's blood sample is centrifuged after clotting, what would the clear, yellowish liquid layer above the packed cells be identified as?
Plasma
Whole blood
Buffy coat
Serum
If the blood pressure in the aorta is approximately 120/80 mmHg, what would you expect the approximate pressure in the pulmonary artery to be?
120/80 mmHg
100/60 mmHg
25/8 mmHg
140/90 mmHg
A sample of blood is allowed to clot. The remaining liquid is analyzed. What is this liquid called, and what key component does it lack compared to the original blood sample?
Plasma; Albumin
Serum; Globulin
Plasma; Fibrinogen
Serum; Fibrinogen
