Block 2

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29 Questions

Which of the following give rise to the Central Nervous System

Neural Tube

Wallerian Degradation happens during Axonal Degradation.

True

Frontal Lobe is involved in all the following EXCEPT:

Pain

The Parietal Lobe is involved in all the following EXCEPT:

Auditory

The temporal lobe is involved in all the following EXCEPT:

Somatosensory

All of the following are NOT involved in the occipital lobe EXCEPT:

Vision

The cerebellum is involved in voluntary function.

False

Cervical dermatomes cover the following areas:

top of back of head, back or arms, and shoulders

Thoracic dermatomes covers the following areas:

mid body

Lumbar dermatomes cover the following areas:

front of legs, hips, lower back

Sacral dermatomes cover the following areas:

mostly back of legs and rear

There is no overlap of innervation at ?

C2

Post circulation, the cerebral spinal fluid is absorbed via -

arachnoid granulation and villa

Cerebral spinal fluid is absorbed into the venous blood via -

superior sagittal sinus

Na+/K+ pump is located on the

Apical membrane

Compared to plasma, the CSF has

low K+ and proteins

The brain fluid that accumulates comes from the vascular compartment.

cerebral edema

Components of the neuronal microenvironment include

All the above

The Areas that lack a blood brain barrier include

pineal gland

Which statement is true about reversal potentials.

All the above

Which statement is correct?

Glu binds to AMPA, Na+ flows in, depolarization of post-synaptic neuron

The main effect of a NMDA receptor is to

increase intracellular calcium

EPSP can increase or decrease signaling in two ways, facilitation or depression. Facilitation is

increase in EPSP by accumulation of Ca2+ in nerve terminal

Parasympathetic innervation is characterized by

long preganglionic and short postganglionic

The sympathetic innervation is characterized by

short preganglionic and long postganglionic

In the sympathetic ANS, post release of norepinephrine is on

adrenergic receptors

Norepinephrine is often co-released

True

The vagus nerve is part of the sympathetic ANS

False

Neuropeptide Y is used in sympathetic stimulation of smooth muscle only.

True

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