Ch 18: Blood Flashcards
The 3 main functions of blood are…
- Transport
- Defense
- Homeostasis
T or F
Blood is a connective tissue.
True
What 5 things does blood transport?
- Nutrients from digestive system
- Gases: O2 and CO2 from respiratory system
- Cellular waste
- Hormones from endocrine system
- Cells & Proteins from the immune system to fight infections
Cellular waste and urea are removed via what system?
Excretory system
What are the 2 main defence systems in the blood?
- Hemostasis
- Immunity
Hemostasis is…
- the ability to stop bleeding
- keeping the balance of the components of blood
To help with immunity, blood transports…
immune cells & immune proteins
The immune cells & proteins in blood fight ________ and the blood cleans up ______.
- foreign pathogens
- cellular debris
Phagocytosis cells help in the immunity process by…
engulfing foreign pathogens and breaking them down.
Antibodies are _____ that target _____.
- proteins
- particles such as pathogens and cellular debris
Antibodies alert…
the immune system.
Compliments are _______ that target _____ and alert the _______.
- immune proteins
- bacteria
- immune system
Hemostasis is maintained by the balance of what 4 things?
- Body temperature
- Water
- Salt/electrolytes
- pH
Body temperature is regulated by what 2 processes?
- Vasoconstriction
- Vasodilation
Restricting or shutting off blood flow to parts of the body is the process of ______ and _____ body temperature.
- vasocontsriction
- lowers
The opening of blood vessels to get blood to the surface to cool off is called _______ and _______ body temperature.
- vasodilation
- raises
In vasoldilation, the blood needs to get to the surface so that it can _______.
cool off
In vasoconstricion, blood is conained to the middle of the body to…
keep the vital organs warm.
The body is made of _____% water
70%
Blood is the bigest reservoir of _____ in the body.
water
Too little water in our system pulls water out of blood and _______ blood volume.
decreases
Too much water in our blood _______ blood volume.
increases
Salt ________ water.
retains
Salt works with water to balance _______.
hydration
pH balance is a measurement of _______ concentration.
hydrogen
The increase or decrease of blood volume is highly _______ and effects blood _______.
- regulated
- pressure
The 3 parts of the Circulatory System are…
- Blood
- Heart
- Vessels
Blood is a medium OF ________ and a medium FOR _______.
- transport
- diffusion
The heart is a _______ organ.
muscle
The purpose of the heart is to…
contract and relax to pump blood through the body.
What is the primary functional organ of the cardiovascular system?
The heart.
The vessels of the circulatory system are a(n) ________ system that serves as the _______ of blood.
- interconnected
- pathways
Arteries carry blood _____ the heart.
away from
Veins carry blood _____ the heart.
to
Blood is made of what two parts?
- Plasma
- Formed elements
Plasma is the _______ matrix of blood.
extracellular
Plasma is made of _____ % water and the rest is _______ substances.
- 90-95%
- dissolved
_______ make up generally 8% of blood plasma.
Proteins
The two plasma proteins are…
- Albumin
- Globulins
What are the three types of blood cells?
- Red blood cells
- White blood cells
- platelets
What are the two types of white blood cells called?
Granulocytes and agranulocytes
What are the three types of granulocytes?
- Neutrophils
- Eosinophils
- Basophils
What are the two types of agranulocytes?
- Lymphocytes
- Monocytes
Neutrophils, eosinophils and basophils are classified as…
Granulocytes
Lymphocytes and monocytes are classified as…
Agranulocytes
Neutrophils, eosinophils, basophils, lymphocytes and monocytes are all…
White blood cells
What is the most numerous type of white blood cell in a healthy individual?
Neutrophils
What type of white blood cell’s nucleui have many lobes?
Neutrophils
What type of white blood cell has bi-lobed nuclei?
Eosinophils
Neutrophils are _____ the size of red blood cells.
twice
Eosinophils are:
a. Smaller than neutrophils
b. The same size as neutrophils
c. Larger than neutrophils
b. The same size as neutrophils
The smallest granulocyte is the…
Basophil
This agranulocyte is the same size as a basophil.
Lymphocyte
What is the main characteristic of a lymphocyte?
It’s nucleus takes nearly the entire cytoplasm of the cell.
Which type of white blood cell is the largest?
Monocytes
What is the defining characteristic of a monocyte?
It’s nucleus is kidney shaped.
Platelets aid in…
clot formation
What type of cell is bi-concave?
Red blood cell
What is the smallest of the formed elements in blood?
Platelets
A red blood cell is also known as an
erythrocyte
A white blood cell is also known as a
Leukocyte
Platelets are also known as…
Thrombocytes
Platelets are small parts of specialized cells called…
megakaryocytes
What are three physiological items that require calcium?
- Bone remodeling
- Muscle contraction
- Fluid balance
Additional: blood clotting
The dissolved substances in blood consist of what 5 things?
- Proteins
- Nutrients
- Gases
- Salts/Electrolytes
- Wastes