Where is the cell body found in the motor neurone?

At the beginning of the motor neurone

Which of the following may affect human reaction time?

Energy or sugary drinks/Practise beforehand/drugs etc.

What are reflex actions?

Automatic and rapid actions that do not involve the conscious parts of the brain

The junction/physical gap between neurones

How is information passed through the synapse?

Neurotransmitters/Chemicals are released, which travel across the synapse to the receptor sites on the next neurone

How does the endocrine system bring about a change in our internal environment?

Glands release hormones into bloodstream, which then travel to the target organ to produce an effect

A chemical messenger, secreted from an endocrine gland, travelling in the blood, triggering a response in an effector

Arrange the following in the correct order for a reflex pathway: Receptor, Effector, Sensory neurone, Motor neurone, Relay neurone, Stimulus, Response.

Stimulus → Receptor → Sensory neurone → Relay neurone → Motor neurone → Effector → Response

What is one difference between the effects of hormones and the nervous system?

Hormonal effects are slower/last longer/often effects are irreversible

What is one effect of insulin?

Lowers blood glucose levels by causing liver & muscle cells to take up more glucose and convert some of it to glycogen, to store

What is one effect of glucagon?

Increases blood glucose levels by converting glycogen back to glucose and it is released back into the blood

Complex/Storage carbohydrate (insoluble) made up of glucose in liver and muscles

Condition where pancreas does not make enough/any insulin. Genetically inherited

Condition where body cells stop responding to insulin properly

Which of the following is a symptom of diabetes? Options: Excess urine/Feeling thirsty/Lack energy/Lose weight/Fatigue, Increased appetite only, High blood pressure only, Rapid heartbeat only

Excess urine/Feeling thirsty/Lack energy/Lose weight/Fatigue

Which of the following is a risk factor for type 2 diabetes? Lack of exercise/Sugary diet/Obesity, Genetic inheritance only, Excessive water intake, High protein diet

Lack of exercise/Sugary diet/Obesity

What is a method to cure type 1 diabetes?

Pancreas or pancreatic cell transplant

What is a treatment for type 2 diabetes?

Carbohydrate-controlled diet/Lose weight/Regular exercise/Use insulin injections

What is the effect of thyroxine?

Controls metabolic rate (The speed of all the chemical reactions of the body)

What is an effect of adrenaline?

Increase heart rate/breathing rate/Increase glycogen conversion to glucose/Pupils dilate/Increase mental awareness/More blood flow to muscles

Which hormone causes egg maturation in the ovaries?

FSH (follicle stimulating hormone)

AQA Biology Paper 2 Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is one function of the liver?

Back

Detoxification/Breakdown of old blood cells/Remove lactic acid (convert to glucose)

2.

FLASHCARD QUESTION

Front

What is homeostasis?

Back

Maintenance of internal environment relatively stable at optimum conditions through negative feedback

3.

FLASHCARD QUESTION

Front

Which of the following is NOT a key internal condition controlled through homeostasis? Heart rate, Temperature, Water levels, Blood glucose level

Back

Heart rate

4.

FLASHCARD QUESTION

Front

What type of cell detects stimuli in the internal or external environment? Options: Receptor, Effector, Neuron, Hormone

Back

Receptor

5.

FLASHCARD QUESTION

Front

Which component in the nervous system processes stimuli information?

Back

Coordination centre

6.

FLASHCARD QUESTION

Front

What is the function of a neurone?

Back

Transmit electrical impulses

7.

FLASHCARD QUESTION

Front

Which type of neurone carries impulses to the central nervous system?

Back

Sensory neurone

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