30 Questions
What part of the brain controls fine movement of muscles?
Cerebellum
Which part of the brain controls unconscious actions like breathing and heart rate?
Medulla
Why is investigating brain function and treating brain damage difficult?
Different regions of the brain are responsible for different functions.
What structure in the brain controls consciousness, memory, and language?
Cerebral cortex
Which method can neuroscientists use to map out regions of the brain?
Studying patients with brain damage
Why can drugs given to treat diseases sometimes not reach the brain?
The membranes surrounding the brain prevent drug passage.
What is the function of dialysis in treating kidney failure?
To remove waste products from the blood
How often does dialysis need to be done in treating kidney failure?
Three times a week
What is the main downside of dialysis as mentioned in the text?
It requires following a strict diet
Why are kidney transplants considered the only cure for kidney failure?
Because they provide a healthy kidney to the individual
What does the dialysis fluid used in the process contain?
The same concentrations of ions and glucose as healthy blood
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
What is the main problem that can result in organ rejection?
The immune system recognizing antigens on the donor organ as foreign
How can the chance of organ rejection be reduced?
By increasing the dosage of immunosuppressant drugs
Which hormone is responsible for stimulating sperm production in males?
Testosterone
Where is oestrogen produced in the female reproductive system?
Ovary
What occurs during ovulation in the female reproductive system?
Egg is released from ovary and moves to the uterus
Which process prepares the body for a potential pregnancy each month?
Ovulation
What are automatic responses that take place before you have time to think called?
Reflexes
Where does the impulse pass to in the Central Nervous System (CNS) after reaching a relay neuron?
Motor neuron
What is the purpose of synapses in the nervous system?
To allow communication between neurons
Which of the following conditions describes a reflex arc?
Information traveling down a pathway quickly
What happens when an impulse reaches the end of the first neuron at a synapse?
A chemical diffusion occurs across the synapse
Which part of the nervous system coordinates the appropriate response by sending electrical impulses along motor neurons?
Central Nervous System (CNS)
What is the function of follicle stimulating hormone (FSH)?
Causes the maturation of an egg in the ovary
What hormone stimulates ovaries to produce oestrogen?
Follicle Stimulating Hormone (FSH)
How does oestrogen affect the lining of the uterus?
Stimulates the lining to grow
What is the role of Luteinising hormone (LH) in the menstrual cycle?
Stimulates egg maturation in the ovary
How does progesterone impact the secretion of FSH and LH?
Inhibits both FSH and LH secretion
Why do hormonal methods of contraception like the contraceptive pill inhibit egg maturation?
By inhibiting FSH so no eggs mature
Test your knowledge on how the human nervous system processes information and coordinates responses. Learn about motor neurones, effectors, reflexes, and reflex arcs.
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