CNS - BRAIN

Question 1

Structure of the brain that has a motor function, motos speech area, controls morals, values emotions, and judgment. Schizophrenia problem usually from here.

Answer 1

Cerebral Cortex - Frontal

Question 2

Integrates general sensation; governs discrimination; interprets pain, touch, temperature, and pressure.

Answer 2

Parietal

Question 3

Auditory and speech center.

Answer 3

Temporal

Question 4

The visual area.

Answer 4

Occipital

Question 5

The central motor movement. It coordinates sensory and movement

Answer 5

Basal Ganglia

Question 6

Screens and relays sensory impulses to the cortex.

The lowest level of crude conscious awareness.

Answer 6

Thalamus

Question 7

Motor condition and eye movements

Answer 7

Midbrain

Question 8

Contains all afferent and efferent tracts.

Most pyramidal tracts are here.

Answer 8

Medulla Oblongata

Question 9

Connected by cerebellar peduncles to other parts of CNS. It coordinates muscle movements, posture, equilibrium, and muscle tone.

Answer 9

Cerebellum

Question 10

TRUE OR FALSE: According to the Homunculus, the biggest sensory are found in the arms, feet, and body.

Answer 10

False: biggest sensory is in the hands, lips, tongue, and ears

Question 11

What are the functions of CSF?

Answer 11

1. Cushions the brain and spinal cord from forces and collision
2. Reduces gravitational weight of the brain
3. Adjust the changes in the intracranial vault’s pressure and volume
4. Exchange of nutrients and waste materials between blood and CNS.

Question 12

CSF is synthesized at ___ by the ___.

Answer 12

20 mL/hr by the choroid plexus

Question 13

The main goal of the lumbar puncture test?

Answer 13

To obtain CSF for analysis.

Question 14

At what position the patient should be during a lumbar puncture?

Answer 14

Lateral decubitus with knees (side-lying) and head tightly tucked.

Question 15

At what part of the body lumbar puncture test is done?

Answer 15

Subarachnoid space at L3- L5

Question 16

Give contraindication and risks to lumbar puncture.

Answer 16

Contraindicated: High ICP
Risks: brainstem herniation & respiratory arrest

Question 17

Transmit impulses to the spinal cord or brain.

Answer 17

Afferent sensory neurons

Question 18

Transmit impulses away.

Answer 18

Efferent Motor Neurons

Question 19

Type of neuroglial that forms part of the blood-brain barrier supplies nutrients to neuron structure and supports the framework for neurons and capillaries.

Answer 19

Astroglia (Astrocytes)

Question 20

Type of neuroglial cell that forms the myelin sheath.

Answer 20

Oligodendroglia

Question 21

Type of neuroglial that forms the choroid plexus.

Answer 21

Ependyma

Question 22

Type of neuroglial that occurs mainly in white matter that phagocytizes waste products from injured neurons.

Answer 22

Microglia