Key Terms Flashcards
(42 cards)
Blast =
Immature cell (only partially differentiated)
Cytosis =
More than normal cell numbers
-Penia =
Lack of cells
What is tachycardia
Rapid heart rate above average
Eg resting over 100bpm
(sign of anaemia)
What is koilonychia
Spoon shaped nails (sign of iron deficient anaemia)
What is angular stomatitis
Cracking at the corners of the mouth (sign of iron deficient anaemia)
What is glossitis
A sore red tongue (sign of anaemia)
What is the mean corpuscular volume (MCV)
A measurement taken in a blood test that helps diagnose types of anaemia
What is intrinsic factor
A glycoprotein produced by the stomach which is required for absorption of B12 in the small intestine
What is pancytopenia
Lack of all three blood cell types
What is hypocellular bone marrow
Few or no cells within
What is a splenomegaly
Excess haemolysis in the spleen causes it to enlarge, leading to abdominal distention & a feeling of fullness quickly whilst eating - Sign of haemolytic anaemias
What are vascular occulsions
Blockages in blood vessels
Vasodilation =
Reducing blood pressure
Vasoconstriction =
Increasing blood pressure
What does the ‘mediastinum’ refer to
Where the heart is located in the thoracic cavity
What is the pulse
A blood pressure wave orignating from the heart which varies depending on stage of life
What is cardiac output
The volume of blood being pumped out by the heart per minute
Cardiac output = stroke volume x heart rate (avg = 5 L/min)
What is the stroke volume
Volume ejected from heart per beat from both ventricles
What is the systole
The force that drives blood out of the heart (contraction)
What is the diastole
Peroid of relaxation when the heart fills with blood
What is bradycardia
Resting heart rate below normal eg under 60bpm
What is blood pressure
The pressure exerted by circulating blood on the blood vessel walls
The pressure progressively decreases away from the heart
Highest priority of blood supply yo heart and brain
What is cholesterol
A vital compound for cell structure & function.
It is in every body cell
It is acquired from liver cells (hepatocytes) & diet
It is hydrophobic & needs to be transported around the body as lipoproteins
