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WorksheetsOsmosis, diffusion, injections
Total questions: 12
Worksheet time: 8mins
What is meant by an infusion?
controlled administration of large amounts of fluid to specific parts of the body.
controlled insertion of medication in a syringe.
controlled administration of fluid via artery.
controlled introduction of liquid food directly into the stomach.
What does not exist?
intravenous infusions
intra-arterial infusions
intraverntrikular infusions
intraosseous infusions
Subcutaneous infusions may cause a strong feeling of pressure at the puncture site. What has to be done?
stop infusion an pull out needle.
call a doctor
reduce infusion speed.
check position and reposition if necessary.
When do we speak of infusion, when of transfusion?
blood plasma or whole blood are transfusions.
when saline or glucose solution is added, it is an infusion.
during transfusions something is excreted again.
What are the risks of an intravenous infusion?
bursting and destruction of the blood vessels by overpressure.
sepsis.
phlebitis (inflammation of the veins).
if the cannula is incorrectly positioned: leakage of infusion solution into the surrounding body tissue.
What is diffusion?
When molecules move.
When molecules don't move.
When molecules move from a high to a low concentration.
When particles move through a semi-permeable membrane.
What process do these images describe?
Osmosis
Diffusion
Active transport processes
isotonic
How do molecules move during diffusion?
from high to low concentration
from low to high concentration
from low to low concentration
from high to low concentration
If the volume of a cell increases when it is added to a solution, this solution is called .......... .
hypertonic
hypertensive
hypertension
isotonic
Too much water in the body is called....
hyperhydratation
excess liquid
hyperhydration
hypohydratation
In case of dehydration....
the blood pressure increases.
the blood pressure drops.
the pulse rate increases.
the mucous membranes dry out.
What is wrong?
The human body consists of 2/3 water.
2/3 of the body water is in the extracellular space.
1/3 of the body water is in the interstitial space and the intravascular space.
