B2 blood Flashcards
What is the main function of red blood cells?
To transport oxygen from the lungs to the body’s tissues.
True or False: White blood cells are primarily responsible for carrying oxygen.
False
Fill in the blank: The liquid part of the blood is called ______.
plasma
What component of blood helps in blood clotting?
Platelets
What is the role of hemoglobin in red blood cells?
To bind and transport oxygen.
Multiple Choice: Which type of blood cell is involved in the immune response? A) Red blood cells B) White blood cells C) Platelets
B) White blood cells
What is the average lifespan of a red blood cell?
About 120 days
True or False: Plasma contains hormones, nutrients, and waste products.
True
Fill in the blank: Blood is composed of ______ and cellular components.
plasma
What is the function of white blood cells?
To defend the body against infections.
Multiple Choice: Which type of white blood cell produces antibodies? A) Neutrophils B) Lymphocytes C) Monocytes
B) Lymphocytes
What is the primary function of platelets?
To help in blood clotting.
True or False: Blood types are determined by the presence of antigens on the surface of red blood cells.
True
Fill in the blank: The blood type that has no A or B antigens is type ______.
O
What is the role of fibrin in the blood clotting process?
To form a mesh that traps blood cells and helps to stop bleeding.
Multiple Choice: Which vitamin is essential for the synthesis of clotting factors? A) Vitamin A B) Vitamin K C) Vitamin C
B) Vitamin K
What is the pH range of human blood?
7.35 to 7.45
True or False: Blood can be classified into four main types: A, B, AB, and O.
True
Fill in the blank: The term for the process of blood cell formation is ______.
hematopoiesis
What is the main role of plasma proteins?
To maintain osmotic pressure and transport substances.
Multiple Choice: Which condition is caused by a deficiency of red blood cells? A) Anemia B) Leukemia C) Hemophilia
A) Anemia
What type of immune response do T-cells primarily mediate?
Cell-mediated immunity
True or False: Antibodies are produced by red blood cells.
False
Fill in the blank: The primary site of blood cell production in adults is the ______.
bone marrow
What is the function of the spleen in relation to blood?
To filter blood and recycle iron from old red blood cells.
Multiple Choice: Which of the following is NOT a function of blood? A) Transportation B) Regulation C) Digestion
C) Digestion
