Neurologic Exam

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Which part of the brain is responsible for conscious awareness?

Brainstem

Cerebellum

Cerebrum (correct)

Spinal cord

What is a reflex?

A withdrawal test (correct)

A conscious response to a stimulus

A learned behavior

A manifestation of deep pain

What does an abnormal reflex indicate?

The problem is localized to the brainstem

The problem is localized to the motor fibers

The problem is localized to the spinal cord (correct)

The problem is localized to the cerebrum

Which part of the neurologic exam assesses reflexes and responses of the head and face?

Cranial nerve tests Signup and view all the answers

What is the purpose of performing a neurologic exam?

To determine if the problem is neurological Signup and view all the answers

What are the 6 main parts of the neurological examination?

Mentation, Gait and posture, Cranial nerve tests, Postural reactions, Reflexes, Multifocal Signup and view all the answers

Which part of the spinal cord is associated with reduced to absent reflexes in the front legs and intact reflexes in the back legs?

C6-T2 Signup and view all the answers

What does a generalized neuromuscular disease affect?

All four legs with weak to absent reflexes Signup and view all the answers

Which region of the spinal cord is associated with LMN signs in the rear legs?

L4-S3 Signup and view all the answers

Which part of the nervous system is responsible for reflexes and responses?

Spinal cord Signup and view all the answers

What does the loss of all reflexes indicate?

Generalized neuromuscular disease Signup and view all the answers

What is the function of an upper motor neuron (UMN)?

To initiate motor movement Signup and view all the answers

What happens when the lower motor neuron (LMN) is damaged?

The muscle won't be able to contract anymore Signup and view all the answers

Which type of nerve damage is more likely to be permanent, UMN or LMN?

UMN Signup and view all the answers

What are the signs of UMN injury?

Tone to the muscle and exaggerated reflexes Signup and view all the answers

What are the signs of LMN injury?

Flaccid muscle tone and weak reflexes Signup and view all the answers

How can you determine the localization of a spinal cord lesion?

All of the above Signup and view all the answers

Which part of the nervous system is responsible for reflexes?

Peripheral nervous system Signup and view all the answers

What is the purpose of a reflex arc?

To determine lesion localization Signup and view all the answers

Which type of reflex arc tests a specific area in the nervous system?

Monosynaptic reflex arc Signup and view all the answers

When the reflex is abnormal, what does it indicate about the problem?

The problem is in a specific area of the nervous system Signup and view all the answers