Human Nervous System Functions Quiz

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What part of the brain controls fine movement of muscles?

Cerebellum (correct)

Medulla

Central nervous system

Cerebral cortex

Which part of the brain controls unconscious actions like breathing and heart rate?

Spinal cord

Cerebellum

Cerebral cortex

Medulla (correct)

Why is investigating brain function and treating brain damage difficult?

The brain is easily accessible and understood.

Different regions of the brain are responsible for different functions. (correct)

Neuroscientists have full knowledge of the brain's functions.

Drugs can easily reach all parts of the brain.

What structure in the brain controls consciousness, memory, and language?

Cerebral cortex Signup and view all the answers

Which method can neuroscientists use to map out regions of the brain?

Studying patients with brain damage Signup and view all the answers

Why can drugs given to treat diseases sometimes not reach the brain?

The membranes surrounding the brain prevent drug passage. Signup and view all the answers

What is the function of dialysis in treating kidney failure?

To remove waste products from the blood Signup and view all the answers

How often does dialysis need to be done in treating kidney failure?

Three times a week Signup and view all the answers

What is the main downside of dialysis as mentioned in the text?

It requires following a strict diet Signup and view all the answers

Why are kidney transplants considered the only cure for kidney failure?

Because they provide a healthy kidney to the individual Signup and view all the answers

What does the dialysis fluid used in the process contain?

The same concentrations of ions and glucose as healthy blood Signup and view all the answers

Why do people feel ill due to the build-up of waste products between dialysis sessions?

Because the waste products diffuse back into the blood Signup and view all the answers

What is the main problem that can result in organ rejection?

The immune system recognizing antigens on the donor organ as foreign Signup and view all the answers

How can the chance of organ rejection be reduced?

By increasing the dosage of immunosuppressant drugs Signup and view all the answers

Which hormone is responsible for stimulating sperm production in males?

Testosterone Signup and view all the answers

Where is oestrogen produced in the female reproductive system?

Ovary Signup and view all the answers

What occurs during ovulation in the female reproductive system?

Egg is released from ovary and moves to the uterus Signup and view all the answers

Which process prepares the body for a potential pregnancy each month?

Ovulation Signup and view all the answers

What are automatic responses that take place before you have time to think called?

Reflexes Signup and view all the answers

Where does the impulse pass to in the Central Nervous System (CNS) after reaching a relay neuron?

Motor neuron Signup and view all the answers

What is the purpose of synapses in the nervous system?

To allow communication between neurons Signup and view all the answers

Which of the following conditions describes a reflex arc?

Information traveling down a pathway quickly Signup and view all the answers

What happens when an impulse reaches the end of the first neuron at a synapse?

A chemical diffusion occurs across the synapse Signup and view all the answers

Which part of the nervous system coordinates the appropriate response by sending electrical impulses along motor neurons?

Central Nervous System (CNS) Signup and view all the answers

What is the function of follicle stimulating hormone (FSH)?

Causes the maturation of an egg in the ovary Signup and view all the answers

What hormone stimulates ovaries to produce oestrogen?

Follicle Stimulating Hormone (FSH) Signup and view all the answers

How does oestrogen affect the lining of the uterus?

Stimulates the lining to grow Signup and view all the answers

What is the role of Luteinising hormone (LH) in the menstrual cycle?

Stimulates egg maturation in the ovary Signup and view all the answers

How does progesterone impact the secretion of FSH and LH?

Inhibits both FSH and LH secretion Signup and view all the answers

Why do hormonal methods of contraception like the contraceptive pill inhibit egg maturation?

By inhibiting FSH so no eggs mature Signup and view all the answers