general quiz

Question 1

what has the largest brain in proportion to its body size?

Answer 1

shrew

Question 2

what is not part of the PNS?

Answer 2

spinal cord

Question 3

What kind of information is transmitted by axons located in the dorsal root of the spinal cord?

Answer 3

somatosensory

Question 4

Which of the following is not a division of the autonomic nervous system?

Answer 4

the somatic nervous system

Question 5

The structure that serves as a protective filter to regulate entry of chemicals into the brain is known as what?

Answer 5

the Blood Brain Barrier (BBB)

Question 6

Where are action potentials generated?

Answer 6

the axon hillock

Question 7

Alteration of the post-synaptic membrane potential can cause which of following?

Answer 7

stabilisation, hyperpolarisation, depolarisation

Question 8

what is not a way in which drugs can alter the lifecycle of a neurotransmitter?

Answer 8

by altering where neurostransmitters are synthesised

Question 9

What is the name of the process by which the effects of a drug decrease with multiple exposures?

Answer 9

tolerance

Question 10

Over 50% of the brains neurons are contained within which part of the brain?

Answer 10

cerebellum

Question 11

what is the cerebrum divided into?

Answer 11

2 symmetrical parts of the body

Question 12

which oart of the body does the right hemisphere control?

Answer 12

the left

Question 13

whihc side of the body does the left hemisphere control?

Answer 13

the right

Question 14

Where is the primary somatosensory cortex located?

Answer 14

the parietal lobe

Question 15

what is not a common symptom of huntington’s disease?

Answer 15

intention tremors

Question 16

what is not an example of a reflex?

Answer 16

secretion of sweat

Question 17

Which structures are found in the inner ear?

Answer 17

ulticle, Saccule, Cochlea

Question 18

Which dimension of the sound wave affects its loudness?

Answer 18

amplitude

Question 19

Which area of the brain is responsible for speech production

Answer 19

broca’s area

Question 20

Which of the following convert light energy into neaural activty?

Answer 20

photoreceptors

Question 21

how is visual informaiton is transmitted from the eye to the visual cortex ?

Answer 21

each hemisphere recieves information from both eyes

Question 22

What is not found in the brain?

Answer 22

nerves

Question 23

A scientist is dissecting the brain. The brain has a brainstem and cerebellum, but no neocortex. What animal might the brain belong to?

Answer 23

octopus

Question 24

which layer of the lateral geniculate nucleus creates the perception of blue?

Answer 24

Koniocellular

Question 25

What would not result from damage to the dorsal pathway?

Answer 25

prosopagnoisa

Question 26

What was not shown by Phineas gage after his accident?

Answer 26

aggression

Question 27

complete the sentence: synaptic strength is defined by the size of the ____.

Answer 27

Post-synaptic potential

Question 28

How can a cerebrospinal fluid leak be treated?

Answer 28

both a blood patch and repair with abdominal fat are options

Question 29

How many pairs of nerves are there in the human body

Answer 29

43

Question 30

What is an important determinant of the speed of action potential propagation?

Answer 30

the diameter of the axon

Question 31

The BBB (blood brain barrier) is made up of what type of cells?

Answer 31

endothelial cells

Question 32

complete the sentence: cerebrospinal fluid is produced from the ____ of the brain.

Answer 32

choroid plexus