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Action Potentials and Brain Structures/Functions

Total questions: 56

Worksheet time: 35mins

Name
Class
Date
1.
What is the normal resting potential of a neuron cell membrane?
a)
+40mV
b)
-30mV
c)
+55mV
d)
-70mV
2.
In resting potential, neurons have more _________ on the outside of the cell membrane.
a)
K+
b)
NaCl
c)
Na+
d)
Cl-
3.
In resting potential, neurons have more ____________ on the inside of the cell membrane.
a)
NaCl
b)
Na+
c)
K+
d)
Cl-
4.

What number(s) on the graph represents the THRESHOLD level of stimulus?

a)

1 and 5

b)

2

c)

3

d)

6

5.

What number(s) on the graph represents depolarization.

a)

1 and 5

b)

2

c)

3

d)

6

6.

What number(s) on the graph represents hyperpolarization.

a)

1

b)

2

c)

3

d)

4

7.

What number(s) on the graph represent when Na+ channels are closed and K+ channels are open.

a)

1 and 5

b)

2

c)

3 and 4

d)

6

8.

Number 2 on the graph is when

a)

Na+ is diffusing in to a cell

b)

Na+ is diffusing out of a cell

c)

K+ is diffusing in to a cell

d)

K+ is diffusing out of a cell

9.

Identify the opening

a)

4th ventricle

b)

3rd ventricle

c)

lateral ventricle

d)

2nd ventricle

10.

Identify the white matter

a)

Arbor Vitae

b)

Pineal gland

c)

Cerebrospinal Fluid (CSF)

d)

Corpus callosum

11.

Identify structure/opening

a)

Cerebral Aqueduct

b)

Third Ventricle

c)

Medial Ventricle

d)

Lateral Ventricles

12.

Identify the structure

a)

Cerebrum

b)

Cerebellum

13.

Identify the structure

a)

Optic chiasm

b)

Pons

c)

Olfactory trunk

d)

Optic foramen

14.

Structure?

a)

Corpora quadrigemina

b)

Arbor Vitae

c)

Pineal gland

d)

Parietal Lobe

15.

Structure/region

a)

cerebellar cortex

b)

cerebral cortex

c)

cerebral infundibulubulum

d)

cerebral medulla

16.

Lobe?

a)

Frontal

b)

Parietal

c)

Temporal

d)

Occipital

17.

What is a "ridge" called on the cerebral cortex?

a)

Gyrus

b)

Sulcus

c)

Foramen

d)

Optimus

18.

Identify the structure

a)

Hypothalamus

b)

Thalamus

c)

Corpora quadrigemina

d)

Pineal gland

19.

Structure/opening

a)

Infundibulum

b)

Olfactory bulb

c)

Pons

d)

Midbrain

20.

Opening?

a)

Fourth ventricle

b)

Lateral Ventricle

c)

Medial Ventricle

d)

Lateral Atria

21.

Structure?

a)

Mammillary body

b)

Pons

c)

Medulla oblongata

d)

Optic nerve

22.
a)

Midbrain

b)

Pons

c)

Mammillary body

d)

Medulla oblongata

23.

Identify the structure:

a)

Midbrain

b)

Pons

c)

Mammillary body

d)

Thalamus

24.

Lobe?

a)

Frontal

b)

Occipital

c)

Parietal

d)

Lambdoidal

25.

Identify structure:

a)

Olfactory bulb

b)

Optic chiasma

c)

Olecranon process

d)

Right auricle

26.

Identify structure

a)

Optic nerve

b)

Optic tract

c)

Orbital fissure

d)

Olfactory nerve

27.

Identify structure

a)

Pineal gland

b)

Thalamus

c)

Corpus callosum

d)

Fourth ventricle

28.

Identify:

a)

Pineal gland

b)

Pituitary gland

c)

Thyroid gland

d)

Adrenal gland

29.

Identify the structure:

a)

Shmedula blahblahswaswa

b)

Pons

c)

Midbrain

d)

Medulla oblongata

30.

Groove in cerebral cortex

a)

Gyrus

b)

Sulcus

c)

Condyle

d)

Sirius

31.

Lobe?

a)

Parietal

b)

Temporal

c)

Zygomatic

d)

Navicular

32.

Identify the structure

a)

Thalamus

b)

Hypothalamus

c)

Corpus callosum

d)

Dens

33.

"tough mother" - holds brain in place (adheres tightly to the cranial bones)

a)

Dura mater

b)

Arachnoid mater

c)

Pia mater

d)

Wazza mater?

34.

Resembles spider web - cushions brain

a)

Dura mater

b)

Arachnoid mater

c)

Pia mater

d)

Psuedo mater

35.

Site of smell detection

a)

Olfactory bulbs

b)

Optic bulbs

c)

Cochlear detectors

d)

Sella turcica

36.

Where optic nerves enter the brain and pathways cross

a)

Optic chiasm

b)

Corpus callosum

c)

Thalamus

d)

Optic condyle

37.

Take information from the retinas to the brain

a)

Optic tracts

b)

Optic nerves

c)

Opticular circuits

d)

Orbital fissures

38.

Connects brain (hypothalamus) to the pituitary gland

a)

Infundibulum

b)

Fundus

c)

Frenulum

d)

Corpora oblongata

39.

The Master Gland (controls other glands)

a)

Adrenal gland

b)

Thyroid gland

c)

Pineal gland

d)

Pituitary gland

40.

Mammilary body

a)

Plays a role in memory recall

b)

Involved in visual reflexes

c)

Controls heart rate and B.P.

d)

Language center

41.

Controls thermoregulation and sleep cycles

a)

Midbrain

b)

Frontal lobe

c)

Medulla oblongata

d)

Cerebellum

42.

Controls breathing and connects cerebrum and cerebellum

a)

Midbrain

b)

Pons

c)

Occipital lobe

d)

Corpora quadrigemina

43.

Composed of cell bodies and dendrites (synapses are here)

a)

Gray matter

b)

White matter

c)

Brown matter

d)

Blue matter

44.

Functions of the medulla oblongata

a)

Memory recall

b)

Controls heart rate and blood pressure

c)

Creates CSF

d)

Decision making and problem solving

45.

Gland that influences puberty and sleep cycles

a)

Pituitary gland

b)

Thyroid gland

c)

Pineal gland

d)

Opthalamus gland

46.

Brain structure responsible for most body movements

a)

Cerebral cortex

b)

Cerebellum

c)

Frontal lobe

d)

Infundibulum

47.

"Tree of Life" - White matter that brings sensory info to cerebellum

a)

Arbor vitae

b)

El biblioteca

c)

Treeo de vito

d)

Cerebellar shrub

48.

Memories and consciousness happen here

a)

Cerebral cortex (the wrinkly part)

b)

The thalamus

c)

Hypothalamus

d)

Spinal cord

49.

Decision making and problem solving happens here

a)

Frontal lobe

b)

Occipital lobe

c)

Temporal lobe

d)

Parietal lobe

50.

Integrates touch and taste, and controls speech

a)

Parietal lobe

b)

Occipital lobe

c)

Olfactory lobe

d)

Medial lobe

51.

Lobe that interprets visual information

a)

Occipital lobe

b)

Frontal lobe

c)

Optic lobe

d)

Parietal lobe

52.

Integrates auditory information

a)

Parietal lobe

b)

Temporal lobe

c)

Frontal lobe

d)

Occipital lobe

53.

"The Switchboard of the Brain" - relays sensory input

a)

Hypothalamus

b)

Thalamus

c)

Fornix

d)

Cuneiform

54.

The corpus callosum...

a)

Connects right and left hemispheres

b)

Is involved in memory recall

c)

Controls "fight or flight" response

d)

Connects the pons to the cerebellum

55.

Controls emotions and motivation

a)

Amygdala

b)

Hippocampus

c)

Corpus callosum

d)

Thyroid

56.

Responsible for memory consolidation (short-term to long-term memories)

a)

Hippocampus

b)

Amygdala

c)

Infundibulum

d)

Cerebellum

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