M103 T3 L1 COPY Flashcards
What are some effects of hypertension?
Vessel damage and heart damage
Syncope and shock
Which side of the heart is for which circulation type?
Right - pulmonary
Left - systemic
What are the kidneys’ function?
Acts as the primary base of maintenance and determination of elecrolytes in the blood
What are the functions of circulation?
Perfusion, thermostasis, Immunity
Homeostasis of ECF via kidneys
Distribution of hormones
What are the differences between pulmonary and systemic circulation?
Pulmonary - mainly series based flow
Systemic - mainly parallel based flow
What is the equation for blood pressure?
BP = cardiac output x peripheral resistance
What are the different %s for where blood is situated in the body?
64% in the veins
9% in the lungs
7% in heart in diastole
other
How many leaflets do most heart valves have and how many do the mitral valves have?
Most have 3 leaflets, mitral has 2
What is the process by which the heart muscle contracts?
electrical stimulation creates actpt
the interior of myocytes turns positive
this triggers increase in intracellular free Ca, cCauses contraction
Free ca is removed, relaxes
interior myocytes slowly return to being negative
What determines the total volume of the blood system and increase blood pressure?
sodium and water
If your circulatory ____ matched your circulatory ____ you’d have normal ____ ____.
capacity
volume
bp
Which four processes occur in Bowman’s capsule? (REFS)
Reabsorption
Excretion
Filtration
Secretion
How many glomeruli are there per kidney?
1 M approx
What units is the Glomerial filtration rate measured in?
mL/min
What are three factors that could contribute to hypoxaemeia?
Anaemia (low Hb)
Tissue consumption too much for the flow
Problem with lungs leading to insufficient pressure and a failure of gas exchange
