Revision from Mock 1

Question 1

Which hormone stimulates the release of an egg from an ovary?

Answer 1

LH

Question 2

What does the hormone FSH do?

Answer 2

It causes an egg to mature in the ovary and it stimulates the ovaries to release the hormone oestrogen.

Question 3

What does oestrogen do?

Answer 3

It stops FSH being produced - so that only one egg matures in a cycle and it stimulates the pituitary gland to release the hormone LH.

Question 4

What does LH do?

Answer 4

It causes the mature egg to be released from the ovary.

Question 5

Why cant some women get pregnant?

Answer 5

They don’t produce enough FSH to allow their eggs to mature.

Question 6

What do fertility drugs contain?

Answer 6

FSH and LH to stimulate eggs to mature in the ovary.

Question 7

What does the fertility drugs also do?

Answer 7

Increase a women’s chance of getting pregnant and also increase the chance of multiples because the treatment boosts the production of mature eggs.

Question 8

What does having multiples increase the risk of?

Answer 8

Complications in pregnancy and childbirth and could cause premature or underweight babies.

Question 9

What is a Carbohydrate made of?

Answer 9

Mainly simple sugars such as glucose.

Question 10

What are main uses of Carbohydrates

Answer 10

High energy source.

Question 11

What are fats made of?

Answer 11

Fatty acids and glycerol.

Question 12

What are main uses of fat?

Answer 12

High energy source.

Question 13

What are proteins made of?

Answer 13

Amino acids.

Question 14

What are main uses of proteins?

Answer 14

Growth and repair.

Question 15

What does a receptor do when its stimulated?

Answer 15

Sends a signal to the central nervous system.

Question 16

What is a reflex action?

Answer 16

A rapid action that happens without us thinking.

Question 17

What does a receptor detect?

Answer 17

A stimulus.

Question 18

What does a sensory neurone do?

Answer 18

Send a signal to the relay neuron.

Question 19

What does IVF stand for?

Answer 19

In vitro fertilisation.

Question 20

When is IVF used?

Answer 20

When the mans sperm is of poor quality or quantity.

Question 21

What is IVF?

Answer 21

When the egg is fertilised outside the women’s body and then implanted back into her uterus.

Question 22

What are the three stages of drug testing?

Answer 22

1. The drugs are tested using computer models and human cells grown in the lab. 2. Testing on animals to see the side effects.
2. Then tested on healthy volunteers to check they are safe. Then on patients :)))

Question 23

What does a motor neurone do?

Answer 23

Sends signals to the effector.

Question 24

What does the effector do?

Answer 24

Produces a response.

Question 25

What is the central nervous system?

Answer 25

The brain and spinal cord.

Question 26

What is the peripheral nervous system?

Answer 26

Nerve cells that carry information to or from the central nervous system.

Question 27

What is a receptor?

Answer 27

A group of specialised cells that detect a change in environment and produce an electrical impulse.

Question 28

What is an example of a receptor?

Answer 28

Skin, tongue, nose, eyes, ear.

Question 29

What is an effector?

Answer 29

Parts of the body - such as muscles and glands - that produce a response to a detected stimulus.

Question 30

What is a synapse?

Answer 30

Where two neurones meet and there is a tiny gap called a synapse.

Question 31

What does statin do?

Answer 31

They lower blood levels and help prevent heart attacks and strokes.

Question 32

What does cannabis do?

Answer 32

Increase risk of mental illnesses.

Question 33

What do steroids do?

Answer 33

Enhance athletic performance.

Question 34

Whats is thalidomide used for?

Answer 34

Used to treat leprosy and bone cancer.

Question 35

What is an auxin?

Answer 35

A plant hormone.

Question 36

What do auxins do in plants?

Answer 36

They change the rate of elongation in plant cells. Cells in shoots grow more and cells in roots grow less.

Question 37

What is tropism?

Answer 37

A 'tropism' is a growth in response to a stimulus.