LAB Quiz 4

Question 1

The structure that coordinates and fine-tune skeleton muscle movement.

Answer 1

Cerebellum

Question 2

The structure that gets its name from its resemblance to the branches of trees?

Answer 2

Arbor vitae

Question 3

What is the name of the structure is located on the middle of the cerebellum?

Answer 3

Vermis

Question 4

The portion of the brain where conscious thought process are made?

Answer 4

Cerebrum

Question 5

What is the name of the structure that is where the lobes are located?

Answer 5

Left Cerebal Hemisphere
and Right Cerebal Hemisphere

Question 6

What is the structre that divides the Cerebrum into hemispheres?

Answer 6

Longitudinal fissure

Question 7

What struture is primarily involved in concentration, verbal communication, decision-making, and personality?

Answer 7

Frontal lobe

Question 8

What structure is primarily involved in touch and proprioception?

Proprioception: Body awareness

Answer 8

Parietal Lobe

Question 9

What structure is involed in hearing and smelling?

Answer 9

Temporal Lobe

Question 10

What structure is responsible or processing visual information and storing visual memories?

Answer 10

Occipital Lobe

Question 11

What is the sulcus that divides the frontal lobe from the parietal lobes?

Answer 11

Central Sulcus

Question 12

The gyrus that houses the Primary Motor Cortex?

Answer 12

Precentral gyrus

Question 13

The gyrus that houses the Primary Somatosensory Cortex?

Answer 13

Postcentral gyrus

Question 14

The sulcus that separates the temporal lobe from the frontal and parietal lobe?

Answer 14

Lateral sulcus

Question 15

What is the name of the fissure that cuts the occipital lobe (cerebral) and the cerebellum?

Answer 15

Transverse fissure

Question 16

The region of the brain that regulates essential survival functions like breathing, blood pressure, and heart pressure?

Answer 16

Brainstem

Question 17

The sulcus that separates the parietal and occipital lobes?

Answer 17

parieto-occiptial sulcus

Question 18

Neuron

Answer 18

• Is the structural unit of the nervous system.
• It’s responsiveness to a stimulus
• ability to propagate electrical signal
• release of neurotransmitter in response to conductive activity
• cell can live throughout person’s lifetime
• after fetal development, mitotic activity is lost in most neurons

Question 19

How many nerves are in the cervical part of the spine?

Answer 19

8 nerves

Question 20

How many nerves are in the thoracic part of the spine?

Answer 20

12 nerves

Question 21

How many nerves are in the lumbar part of the spine?

Answer 21

5 nerves

Question 22

What body parts have CNS?

Answer 22

Brain and Spinal Cord

Question 23

What body parts contain PNS?

Answer 23

Nerves and ganglia

Question 24

Name one of the cells that are apart of PNS?

Answer 24

Schwann Cells

Question 25

Whate are the 2 types of nervous systems found in CNS?

Answer 25

Motor Nervous System Sensory Nervous System

Question 26

Name the 2 types of sensory systems found in CNS?

Answer 26

Somatic Sensory Visceral Sensory

Question 27

Which system recieves sensory information?

Answer 27

Sensory nervous system

Question 28

What system detects typical stimulus?

Answer 28

Somatic Sensory | Typical = eye, mouth, nose

Question 29

Which system detects irregular stimulus?

Answer 29

Visceral sensory | Irregular: heart, Kidney

Question 30

What system initiates motor output?

Answer 30

Motor nervous system

Question 31

Which system sends voluntary signals to the skeleton muscle?

Answer 31

Somatic motor system

Question 32

What system sends involuntary signals to heat, glands, and smooth muscle?

Answer 32

Automatic motor system

Question 33

What initates graded potentials and recieve some from dentrites as well as conducts these potentials to axon?

Answer 33

Cell body

Question 34

What recieves input and tranfers to cell body?

Answer 34

Dendrites

Question 35

What conducts action potential and release neurotransmitter to synaptic knobs?

Answer 35

Axons

Question 36

What provides tensile strength?

Answer 36

Cytoskeleton

Question 37

What creates myelin sheath by wrapping around axon?

Answer 37

Oligodendrocytes

Question 38

What allows for faster action potential propagation?

Answer 38

Schwann Cells | also called neurolemmocytes

Question 39

What myelination is apart of CNS?

Answer 39

Oligodendrocytes

Question 40

Which myelination participates in PNS?

Answer 40

Neurdemmocytes

Question 41

What are receptive segment?

Answer 41

Production of graded potentials and binding neurotransmitters are released from presynpatic neurons

Question 42

What cell structure is involved in receptive segment?

Answer 42

dendrites and cell body

Question 43

What is the intial segment?

Answer 43

Summation of graded potential (inital action potential) | Voltage-gated N+ and K+ channels

Question 44

Where is inital segment located?

Answer 44

Axon hillock

Question 45

Where is conductive segment located?

Answer 45

Axon and branches

Question 46

What is the conductive segment?

Answer 46

propagation of action potential | Voltage-gated Na+ and K+ channels

Question 47

What is the location of where the volatge gate end up opening at?

Answer 47

Axolemma

Question 48

Where does the saltatory conduction occur in?

Answer 48

Myelination axion

Question 49

For the saltatory conduction where does the action potential occur in?

Answer 49

Nodes of ranvier

Question 50

CN I

Answer 50

Olfactroy | Sense of smell (S)

Question 51

CN II

Answer 51

Optic | Vision (S)

Question 52

CN III

Answer 52

Oculomotor | Eye/eyelid control, pupil, lens shape (M)

Question 53

CN IV

Answer 53

Trochlear | Eye movement, superior oblique (M)

Question 54

CN V

Answer 54

Trigeminal | Chewing, sensation for head and face (B)

Question 55

CN VI

Answer 55

Abducens | Lateral eye movement, lateral rectus (M)

Question 56

CN VII

Answer 56

Facial Nerves | Facial expression, salivation, taste, tears (B)

Question 57

CN VIII

Answer 57

Vestibulocochlear | Hearing and equilibrium (balance/orientation) (S)

Question 58

CN IX

Answer 58

Glossopharyngeal | Salvation, taste, swallowing (B)

Question 59

CN X

Answer 59

Vagus | Visceral muscle movement (B)

Question 60

CN XI

Answer 60

Acessory or Spinal Accessory | Head, shoulder control (M)

Question 61

CN XII

Answer 61

Hypoglossal | Tounge movement, speach, swallowing (M)