B11 Hormonal Coordination Flashcards
If a plant is laid on its side in the dark it will still manage to grow upright.
How can it do this when there is no light?
Gravity causes growth hormones called auxins to collect on the lower side of the stem. It grows faster here, so the stem grows upwards.
Which organ produces insulin?
Pancreas
Apart from injecting insulin, give two other ways in which Type 1 diabetes can be controlled.
Diet and exercise.
What are the bottom cavities of a heart called?
Ventricles
What are the top cavities of a heart called?
Atria
singular atrium
Blood from the rest of the body enters the heart through the…
vena cava.
Blood leaves the heart to go round the rest of the body through the…
aorta.
Blood from the lungs enters the heart through the…
pulmonary vein.
Blood leaves the heart to go to the lungs through the…
pulmonary artery.
The “right” side of the heart appears on the right/left side when drawn on paper.
Left
The vena carva enters the heart on the right or left side?
Right side
which is drawn on the left on paper
The aorta leaves the heart on the top right or top left side?
Top left side
which is drawn on the right on paper
The pulmonary vein enters the heart on the right or left side?
Left side
which is drawn on the right side on paper
The pulmonary artery leaves the heart on the top right or top left side?
Top right side
which is drawn on the left on paper
The aorta is
a) an artery
b) a vein
c) a capillary
a) an artery
The vena carva is
a) an artery
b) a vein
c) a capillary
b) a vein
What are the coronary arteries?
The arteries which supply the heart muscles themselves with blood and oxygen etc.
One treatment for a diseased coronary artery is to place a wire mesh inside.
What is the name and purpose of this treatment?
Stent.
The stent keeps the artery open so more blood can flow through.
Give one medical use of thalidomide.
This is not a stupid question - you need to know
Sleeping pill.
Before a woman is given thalidomide (sleeping pill) she is checked to see if she is pregnant. Why?
(This is not a stupid question - you need to know)
Thalidomide can cause birth defects.
Thalidomide disaster in 1950s - caused many people to be born with birth defects
Before a woman is given thalidomide (sleeping pill) she is told to use two different methods of contraception at the same time. Why?
(This is not a stupid question - you need to know)
To be absolutely certain she does not get pregnant - as the baby could suffer birth defects.
Which two hormones does the combined contraceptive pill for women contain?
Oestrogen and progesterone.
