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WorksheetsQuiz on Blood
Total questions: 40
Worksheet time: 20mins
What type of tissue is blood classified as?
Epithelial tissue
Connective tissue
Muscle tissue
Nervous tissue
What is the main function of blood?
Digestion
Transport
Respiration
Excretion
What do blood cells float in?
Cytoplasm
Plasma
Lymph
Serum
Which of the following is a function of transport in the body?
Absorbing and distributing heat
Carrying O₂ from lungs to the rest of the body
Acting as buffers for normal pH
Preventing blood loss via clotting
What is one of the roles of regulation in the body?
Removing waste from cells
Transporting hormones to target organs
Maintaining normal pH by acting as buffers
Preventing infection by carrying antibodies
How does the body protect itself from blood loss?
By absorbing and distributing heat
By carrying O₂ from lungs
By clotting
By transporting nutrients
Which function involves carrying antibodies and white blood cells to infected tissues?
Transport
Regulation
Protection
Digestion
What is whole blood primarily composed of?
Formed elements, water, and dissolved molecules
Proteins, carbohydrates, and lipids
Oxygen, carbon dioxide, and nitrogen
Vitamins, minerals, and enzymes
How can the components of whole blood be separated?
By heating
By centrifugation
By filtration
By evaporation
What percentage of whole blood is plasma?
45%
55%
65%
75%
What is the "buffy coat" in whole blood?
Plasma
Red blood cells
White blood cells and platelets
Water and solutes
What is the primary function of plasma in the blood?
To carry oxygen and carbon dioxide
To help stop bleeding
To recognize and fight off foreign substances
To dissolve substances such as plasma proteins
Which type of blood cell is responsible for recognizing and fighting off foreign substances?
Red blood cells
Platelets
Plasma
White blood cells
What is the role of platelets in the blood?
To carry oxygen
To dissolve substances
To help stop bleeding
To fight infections
What do red blood cells carry between the lungs and the rest of the body?
Nutrients
Oxygen and carbon dioxide
Plasma proteins
Hormones
What is the primary function of hemoglobin in red blood cells (RBCs)?
To carry carbon dioxide
To bind and carry oxygen
To provide structural support
To transport nutrients
What is the shape of erythrocytes (RBCs) and why is it beneficial?
Spherical; allows for faster movement
Flattened biconcave; increases surface area for gas exchange
Cylindrical; provides structural integrity
Cuboidal; maximizes volume
What percentage of proteins in mature RBCs is hemoglobin?
50%
75%
97%
100%
What element in hemoglobin readily binds with oxygen?
Calcium
Iron
Sodium
Potassium
What is the process of blood cell formation called?
Hematopoiesis
Photosynthesis
Metabolism
Respiration
Where are most blood cells replaced?
Red bone marrow
White bone marrow
Yellow bone marrow
Green bone marrow
What hormone regulates the formation and destruction of red blood cells?
Erythropoietin (EPO)
Insulin
Adrenaline
Thyroxine
Where is erythropoietin primarily made?
Kidneys
Heart
Lungs
Stomach
What triggers the production of erythropoietin?
A drop in normal blood oxygen levels
High blood sugar levels
Increased heart rate
High blood pressure
What is the process called that the body uses to stop bleeding quickly and locally?
Hemostasis
Hemoglobin
Homeostasis
Hematopoiesis
During the vascular spasm phase of blood clotting, what happens to the smooth muscles in the damaged blood vessel?
They relax
They contract
They expand
They dissolve
What is formed when platelets gather and adhere to each other and the site of injury?
Blood clot
Platelet plug
Fibrin mesh
Red blood cells
What proteins form a mesh-like clot during the coagulation phase?
Hemoglobin
Myosin
Fibrin
Collagen
What are the glycoprotein and glycolipid markers/tags on cells called?
Antibodies
Agglutinogens
Antigens
Blood types
What happens when your body recognizes cells with different antigens?
The cells are accepted as normal
An immune response is activated
The cells are ignored
The cells are strengthened
What do antibodies do in response to antigens?
They ignore the antigens
They bind to antigens and clump cells together
They destroy the antigens directly
They convert antigens into proteins
What are RBC antigens specifically called?
Antibodies
Agglutinogens
Antigens
Blood types
How is blood type determined?
By the presence of antibodies
By the presence or absence of A and B agglutinogens
By the color of the blood
By the size of the red blood cells
Which blood type has both A and B agglutinogens on red blood cells?
A
B
AB
O
What antibodies are present in the plasma of blood type O?
None
Anti-A and Anti-B
Anti-A
Anti-B
Which blood types can a person with blood type A receive?
A and O
B and O
AB and O
A, B, AB, and O
What is the antibody present in the plasma of blood type B?
Anti-A
Anti-B
None
Anti-A and Anti-B
What does it mean if someone is Rh positive?
They have the rhesus antigens and can accept both + and - blood.
They do not have the rhesus antigens and can only accept - blood.
They have the rhesus antigens and can only accept - blood.
They do not have the rhesus antigens and can accept both + and - blood.
How many different blood types are there based on A/B and Rh antigens?
6
8
4
10
What is the characteristic of Rh negative blood?
It has the rhesus antigens and can accept both + and - blood.
It does not have the rhesus antigens and can only accept - blood.
It has the rhesus antigens and can only accept - blood.
It does not have the rhesus antigens and can accept both + and - blood.
