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Biology
B7: Non-communicable diseases
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Created by
Aishah Akhtar
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Cards (16)
What is coronary heart disease?
layers
of
fatty material
that
build up
inside the
coronary
arteries
,
narrowing
them – resulting in a
lack
of
oxygen
for
the
heart.
What is a stent?
a device inserted into a
blocked artery
to keep it
open
,
allowing more
blood
and
oxygen
to the heart.
What are statins?
drugs
that reduce
blood cholesterol levels
,
slowing
the
rate of
fatty material deposit
What is a faulty heart valve?
heart valve that
doesn’t
open properly or
leaks
How can a faulty heart valve be treated?
replace
with a
biological
or
mechanical
valve
When do heart transplants take place?
in cases of
heart failure
What are artificial hearts used for?
keep patients
alive
whilst waiting for a
transplant
, or
allow the heart to
rest
for
recovery.
Define health?
state of
physical
and
mental
well-being
What factors can affect health?
disease
,
diet
,
stress
,
exercise
,
life situations
What is a risk factor?
aspect of lifestyle or substance in the body that can increase the risk of a disease developing
Give five risk factors?
poor diet
,
smoking
,
lack
of
exercise
,
alcohol
,
carcinogens
( a
substance
capable of causing
cancer
in a
living
tissue)
What is cancer?
a result of
changes
in
cells
that lead to
uncontrolled
growth and cell division by
mitosis
What are malignant tumours?
cancerous
tumours that can spread to
neighbouring
tissues and other parts of the body in the
blood
, forming
secondary
tumours
What are benign tumours?
non-cancerous
tumours that do not
spread
in the body
What two types of risk factor affect the development
of cancers?
lifestyle
and
genetic
risk factors
What is a carcinogen?
a
substance
that can cause
cancers
to
develop