Practice 1

Question 1

How many neurons are there in the human brain?

Answer 1

100 billion

Question 2

How many hours of sleep should the average person obtain per night?

Answer 2

8

Question 3

Which hormone is released during the body’s stress response?

Answer 3

Cortisol

Question 4

Which structure in the brain carries neurotransmitters?

Answer 4

Synaptic vesicles

Question 5

Which organic molecule is known as the building blocks of protein?

Answer 5

Amino acids

Question 6

What is the resting membrane potential of a neuron?

Answer 6

-70mV

Question 7

What is the most common form of dementia?

Answer 7

Alzheimer’s

Question 8

Which brain structure lies deep in the brain and is primarily involved in emotional reactions?

Answer 8

Amygdala

Question 9

What are the two divisions of the nervous system?

Answer 9

Central and peripheral

Question 10

What does DNA stand for?

Answer 10

Deoxyribonucleic acid

Question 11

What is the fatty substance that is wrapped around most neuron axons that SPEEDS UP the transmission of nerve impulses?

Answer 11

Myelin Sheath

Question 12

Which neurodegenerative disease is characterized by tremor and difficulty initiating movement?

Answer 12

Parkinson’s disease

Question 13

What is the lobe of the brain coloured in blue called? Give an example of a function is controls.

Answer 13

Frontal lobe: responsible for higher level thinking, problem solving, behaviour control, etc

Question 14

What does LTD stand for? (think synaptic plasticity)

Answer 14

long-term depression

Question 15

Which protective barrier separates the brain from the blood circulating across the body?

Answer 15

Blood-brain barrier