Blood Flashcards
What are the 4 main components of blood ?
Plasma
red blood cells (erythrocytes)
white blood cells (leukocytes)
platelets (thrombocytes)
Red blood cells (erythrocytes) are shaped in ______ ______.
Biconcave disks
Red blood cells are one third ______.
Haemoglobin
What is the function of haemoglobin in RBCs?
Transports O2 and some CO2 through the blood
Red blood cells are produced from ______ ____ _____ in red bone marrow
Hematopoetic stem cells
_____ is the hormone that regulates the number of RBCs and stimulates the production of them.
erythropoetin
Erthropoetin is released from the _____ and _____.
liver and kidney
Old red blood cells are broken down and phagocytized by ______ in the liver and spleen.
macrophages
White blood cells (leukocytes) are formed from ______ stem cells in red bone marrow.
hematopoetic
White blood cells travel to sites of infection and leave the bloodstream by ______.
Diapedesis
White blood cells are attracted to damaged tissues - called _____ ____
positive chemotaxis
White blood cells move by ______ motion
amoeboid
The 2 categories of hormones that stimulate the production of WBCs are ______ and _____ _____ ______
Interleukins
colony stimulating factors (CSFs)
What are the different types of White blood cells?
Neutrophils, Eosinophils, Basophils, Monocytes, Lymphocytes.
What are the 2 most common types of white blood cells?
Neutrophils and lymphocytes
What 2 types of white blood cells are strong phagocytes?
Neutrophils and monocytes
_____ (WBC) are weak phagocytes
Eosinophils
_______ (WBCs) promote inflamation by producing heparin and histamine
Basophils
_____ (WBCs) are responsible for immunity
Lymphocytes
Blood Platelets ( Thrombocytes) are fragments of ______
Megakaryocytes
Blood platelets develop from hematopoetic stem cells in response to the hormone ______
Thrombopoetin
Thrombopoetin is produced in the _____ and controls the development of blood platelets
Liver
____ is the liquid part of blood
plasma
____ and _____ are suspended in plasma
cells
platelets
____ are the most abundant dissolved substance in plasma
proteins
Name the 3 types of protein found in plasma.
rank them in order of abundance
Albumins - most abundant
globulins - 2nd most abundant
fibrinogens - least abundant
Name the 3 types of globulins within plasma
Alpha globulins
Beta globulins
Gamma globulins
All of the proteins within plasma originate from the liver apart from ____ which originate from lymphatic tissue
Gamma globulins
_____ regulates the pH of plasma
Bicarbonate
_____ within the plasma is used for energy or transported to the liver for conversion to glycogen/fat.
Glucose
______ _____ within plasma are transported to the liver where they are used to produce new proteins or broken down for energy.
Amino Acids
______ are not soluble in plasma so attach to ______ for transport through the bloodstream
Lipids
proteins
Plasma also includes non protein nitrogenous substances (NPNs) including….. (5)
amino acids, urea, uric acid, creatin, creatinine