general quiz Flashcards

weeks 1-11

You may prefer our related Brainscape-certified flashcards:
1
Q

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

A

shrew

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2
Q

what is not part of the PNS?

A

spinal cord

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3
Q

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

A

somatosensory

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4
Q

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

A

the somatic nervous system

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5
Q

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

A

the Blood Brain Barrier (BBB)

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6
Q

Where are action potentials generated?

A

the axon hillock

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7
Q

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

A

stabilisation, hyperpolarisation, depolarisation

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8
Q

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

A

by altering where neurostransmitters are synthesised

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9
Q

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

A

tolerance

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10
Q

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

A

cerebellum

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11
Q

what is the cerebrum divided into?

A

2 symmetrical parts of the body

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12
Q

which oart of the body does the right hemisphere control?

A

the left

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13
Q

whihc side of the body does the left hemisphere control?

A

the right

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14
Q

Where is the primary somatosensory cortex located?

A

the parietal lobe

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15
Q

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

A

intention tremors

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16
Q

what is not an example of a reflex?

A

secretion of sweat

17
Q

Which structures are found in the inner ear?

A

ulticle, Saccule, Cochlea

18
Q

Which dimension of the sound wave affects its loudness?

A

amplitude

19
Q

Which area of the brain is responsible for speech production

A

broca’s area

20
Q

Which of the following convert light energy into neaural activty?

A

photoreceptors

21
Q

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

A

each hemisphere recieves information from both eyes

22
Q

What is not found in the brain?

A

nerves

23
Q

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

A

octopus

24
Q

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

A

Koniocellular

25
Q

What would not result from damage to the dorsal pathway?

A

prosopagnoisa

26
Q

What was not shown by Phineas gage after his accident?

A

aggression

27
Q

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

A

Post-synaptic potential

28
Q

How can a cerebrospinal fluid leak be treated?

A

both a blood patch and repair with abdominal fat are options

29
Q

How many pairs of nerves are there in the human body

A

43

30
Q

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

A

the diameter of the axon

31
Q

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

A

endothelial cells

32
Q

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

A

choroid plexus