24 Questions
What is the function of plasma in the cardiovascular system?
Transporting nutrients, oxygen, hormones, waste, and byproducts
What is the normal percentage of RBC in blood, as indicated by the hematocrit?
45%
Which of the following is a characteristic of blood plasma?
Consists of 92% water and various substances
Where do formed elements such as erythrocytes and platelets originate from?
Red bone marrow
What stimulates the production of platelets in the body?
Thrombopoietin from the liver and kidney
What is the purpose of a bone marrow biopsy?
Detect forms of anemia and cancer
Which type of anemia is most commonly associated with sickled RBCs?
Sickle cell anemia
What can excessive alcohol consumption or certain medications lead to?
Leukocytosis
Which type of leukocyte is good against bacteria and contains lysosome and defensins to breakdown membranes and walls?
Neutrophils
Which leukocyte type is involved in general nonspecific immunity against foreign cells or body cells that don’t express 'self' proteins?
Natural killer cells
What is the condition called when there are too few leukocytes produced, rendering the body unable to fight off disease?
Leukopenia
Which type of immunity do B cells lead to and form memory cells after exposure that last for years?
Adaptive immunity
What is the condition called when there are too few platelets, leading to poor clotting and excessive bleeding?
Thrombocytopenia
Which pathway of coagulation is normally triggered by trauma and is quicker and more direct?
Extrinsic pathway
What is the deficiency of a clotting factor known as?
Hemophilia
What is the term for a tendency to form blood clots, which can be genetic or acquired?
Thrombophilia
What does aspirin inhibit, which can lead to an increased risk of ulcers?
Platelet aggregation
Which group of blood types is genetically determined based on the absence or presence of A and B antigens?
ABO group
What percentage of platelets are stored in the spleen for future release?
~33%
What is the process called that involves the gradual degradation of a blood clot by plasmin?
Fibrinolysis
Which blood type is considered the universal recipient in an ideal situation?
AB+
Which vitamin is required by the liver for many clotting factors?
Vitamin K
What term refers to a small and numerous fragment of the cytoplasm of a cell in the plasma membrane?
Platelet
Which organ plays a significant role in storing a percentage of platelets for future release?
Spleen
Test your knowledge about the composition and functions of blood, including its formed elements and plasma. Explore the role of blood in transportation, defense, and homeostasis.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
