Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

year 10 and 11 > B1 > Flashcards

B1 Flashcards

1
Q

Why is salt bad?

A

Too much can cause high blood pressure and lead to strokes, brain and kidney damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is cholesterol?

A

a type of fat made by the liver and found in every cell of the body and is carried in the bloodstream.
There are two types: high density lippoprotein (good)
low density lippoprotein (bad)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are statins?

A

drugs used to lower cholestrol levels in peoples blood and reduces risk of heart disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the potential side effects of statins?

A

Increase chance of liver problems
Acute kidney failure
Muscle damage
Bleeding in the brain (if already happened)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

whats the definition of disease?

A

when an individuals vital functions or organs are impaired

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the definition of infection?

A

is the invasion and multiplication of pathogenic microbes in an individual or population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is a pathogen?

A

an organism which can cause disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the keywords to include to describe phagocytosis?

A 
#engulf
#digest them
#using digestive enzymes
#release and dispose/exocytosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is a lymphocyte?

A

a white blood cell that produces specific antibodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is an antibody?

A

made by the body to defeat the pathogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is an antigen?

A

on the surface of every cell and pathogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the definition of medicine?

A

Drugs used for treatment and prevention of a disease (often they just soothe the symptoms)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What do antibiotics do?

A

they target bacteria but do not affect healthy cells and cannot kill viruses or fungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the keywords to include to describe vaccinations?

A 
#dead/weakened form
#triggers immune response from lymphocytes
#antibodies used to defeat disease
#turn into memory cells
#if the pathogen re-enters the body the memory  cells attack and destroy it quickly (rapid response)
#immunity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the definition of drugs?

A

a chemical substance that affects the way the body works

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What do hallucinogens do?

A

Change the release of chemicals over a synapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does a pain killer do?

A

Stop The release of chemicals over a synapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What do stimulants do?

A

Speed up the release of chemicals over a synapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What makes an effective drug?

A

Effective
Safe
Stable

18
Q

What is a placebo?

A

Pill that does not contain the drug

18
Q

What is a double blind trial?

A

Neither doctor nor patient knows who has the real drug

19
Q

What is thalidomide?

A

Originally a sleeping pill but was good to treat morning sickness
Never tested it for that use
Affected features - born with severe limb deformities

20
Q

What is the peripheral nervous system?

A

nerves taking information from sense organs into CNS and nerves taking information from the CNS to the effectors

21
Q

what does a receptor cell do?

A

reacts to stimulus

21
Q

What do depressants do?

A

Slow down the release of chemicals over a synapse

22
Q

what is the reflex arc?

A

stimulus=receptor=sensory neuron=relay neuron=motor neuron=effector

23
Q

What is classification?

A

putting organisms into groups based on their characteristics

24
Q

what is the definition of hormone?

A

a chemical messenger which travels in the bloodstream

25
Q

what are nerves?

A

electrical impulses

26
Q

what is oestrogen?

A

made by ovaries
blocks FSH
builds uterus lining

27
Q

what is progesterone?

A

maintains uterus lining
blocks FSH
made by overies

28
Q

what is FSH

A

made by pituitary

makes eggs mature

29
Q

What is LH?

A

made by pituitary

causes egg release

30
Q

What is auxin?

A

hormone used by plants for growth

31
Q

what is transpiration?

A

process where water moves through a plant. The water reaches the leaves where it is lost through tiny openings called stomata

32
Q

what is the definition of adaption?

A

special features which help organisms to survive and reproduce in their environments

33
Q

what are extremophiles?

A

organisms that live in very extreme environments and can survive in conditions which would kill most other organisms

34
Q

Interspecific competition means…

A

competition between species

35
Q

intraspecific competition means…

A

competition within one species

36
Q

what is the efficiency equation?

A

efficiency= energy for growth (output) / energy supplied (input)

36
Q

what is genetic variation?

A

differences between genes which affect our characteristics

38
Q

what is the definition of species?

A

a group of organisms that are similar and capable of producing fertile off spring

40
Q

what is A-Sexual reproduction?

A

production of off spring from one parent

42
Q

what are the two ways to clone

A

embryo transplant

adult cell cloning

44
Q

What is genetic modification?

A

when the genes of an organism are changes by inserting genes from another organism

year 10 and 11 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions