The Brain

Question 1

One of the primary purposes of the myelin sheath is to:

Answer 1

Insulate the axon so the action potential is faster.

Question 2

The sympathetic nervous system is involved with:

Answer 2

Preparing the body in response to threat.

Question 3

Which two regions of the brain are used when two individuals are having a conversation?

Answer 3

Broca’s area and Wernicke’s area

Question 4

Which is a function of the cerebral cortex?

a. Allows flexible construction of sequences of voluntary movements

b. It permits subtle discriminations among complex sensory patterns

c. It makes symbolic thinking possible

d. All of the options listed

Answer 4

All of the options listed - Higher thinking and processing

Question 5

What is the purpose of neurons?

Answer 5

Neurons are the basic units of the nervous system which direct vital bodily functions such as digestion and heartbeat

Question 6

Brenda smells coffee brewing, sees a mountain scene as she waits for it to be poured, and listens to the early morning call of a magpie. Though all of these sensations start as different forms of physical energy (chemical, electromagnetic, air pressure waves), they all end up as patterns of neural impulses. This process of changing the physical energy into neural impulses is called:

Answer 6

Transduction.

Question 7

I catch up with a friend I haven’t seen since we were kids and can still recognise her despite her different cut and colour, different style clothing, and piercings. I am displaying:

Answer 7

Perceptual constancy.