Exam 3: NSG550/ NSG 550 (Latest 2025/ 2026 Update) Diagnostic Reasoning for Nurse Practitioners Review| Questions and Verified Answers| 100% Correct| Grade A.

Exam 3: NSG550/ NSG 550 (Latest 2025/ i,- i,- i,- i,- i,- i,- i,-




2026 Update) Diagnostic Reasoning for i,- i,- i,- i,- i,-




Nurse Practitioners Review| Questions and i,- i,- i,- i,- i,-




Verified Answers| 100% Correct| Grade A. i,- i,- i,- i,- i,-




Electrodiagnostic (EEG): What is it? Graphical record of brain i,- i,- i,- i,- i,-i,- i,- i,- i,- i,- i,-



wave activity obtained through electrodes placed on scalp and
i,- i,- i,- i,- i,- i,- i,- i,- i,-



forehead.


Electrodiagnostic (EEG): What does it identify? i,- i,- i,- i,- i,- i,-i,- i,- Seizure, i,-



tumors, infarcts, brain death (coma).
i,- i,- i,- i,-




EEG: What kind of test is it?
i,- i,- i,- i,- i,- i,- i,-i,- i,- electrodiagnostic


Caloric Study: What kind of test is it?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- electrodiagnostic


Caloric Study: What is this test used for?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- To evaluate function
i,- i,- i,-



of CN VIII (Vestibulocochlear).
i,- i,- i,- i,-




Part of a complete neuro exam
i,- i,- i,- i,- i,-




Caloric Study: What can it identify?
i,- i,- i,- i,- i,- i,-i,- i,- Disease in temporal i,- i,- i,-



portion of the cerebrum i,- i,- i,-

,Abnormalities of the vestibular system, brainstem, and cerebellum.
i,- i,- i,- i,- i,- i,- i,-




Electromyography (EMG): What is it? Records strength of i,- i,- i,- i,- i,-i,- i,- i,- i,- i,-



muscle contraction as a result of electrical stimulation.
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Electromyography: What can it identify? Differentiate primary i,- i,- i,- i,- i,-i,- i,- i,- i,-



muscle diseases from primary neurologic pathologic conditions.
i,- i,- i,- i,- i,- i,-




Nerve conduction study: What does if identify?
i,- Peripheral i,- i,- i,- i,- i,- i,-i,- i,- i,-



nerve injury in pts with localized or diffuse weakness, muscle
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



atrophy, dysesthesia, paresthesia, and neurologic pain.
i,- i,- i,- i,- i,-




Nerve conduction study: What does it help differentiate?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,-



Primary peripheral nerve disease from muscular injury
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Electronystagmography (ENG): What sx indicate this test? i,- i,- i,- i,- i,- i,- i,-i,- i,-



Vertigo
Unilateral deafness i,-




Electronystagmography (ENG): What does if differentiate? i,- i,- i,- i,- i,- i,-i,- i,-



Differentiates between organic and psychogenic sx.
i,- i,- i,- i,- i,-




Differentiates between peripheral and central pathologies.
i,- i,- i,- i,- i,-

,Evoked potential studies: When is it indicated?
i,- Suspected
i,- i,- i,- i,- i,- i,-i,- i,- i,-



sensory deficit but unable to indicate recognition of a stimulus.
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-




Monitor natural progression or treatment of deteriorating
i,- i,- i,- i,- i,- i,- i,-



neurologic diseases like MS i,- i,- i,-




Evoked potential studies: For which pts is it indicated?
i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- infants
comatose pts i,-




noncommunicative pts i,-




malingering pts i,-




Lumbar puncture (fluid study): What does it evaluate?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,-



Examines CSF. This includes: blood, bacteria, malignant cells,
i,- i,- i,- i,- i,- i,- i,- i,-



glucose, and protein.
i,- i,-




Lumbar puncture (fluid study): What does it diagnose?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,-



Primary or metastatic brain or spinal cord neoplasm
i,- i,- i,- i,- i,- i,- i,-




Cerebral hemorrhage
i,-




Meningitis
Encephalitis
Autoimmune disease i,-




Demyelinating disease i,-

, Lumbar puncture (fluid study): How can it be used
i,- i,- i,- i,- i,- i,- i,- i,- i,-



therapeutically? Decrease ICP i,-i,- i,- i,-




Administer anesthetics i,- i,-




Therapeutic agents i,-




MRI: What does it visualize?
i,- i,- i,- i,- i,-i,- i,- Anatomy including 3 main i,- i,- i,- i,-



structural divisions: i,-




Cerebrum
Brainstem
Cerebellum


MRI: What does the MRI Identify?
i,- i,- i,- i,- i,- i,-i,- i,- Benign and malignant i,- i,- i,-



neoplasms, edema, and herniation i,- i,- i,-




What should be use to identify benign and malignant neoplasms,
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



edema, and herniationi,- MRI i,- i,-i,- i,-




What is the most accurate test to identify herniated vertebral
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



discs? MRI
i,-i,- i,-




MRA: What does it stand for?
i,- i,- i,- i,- i,- i,-i,- i,- Magnetic resonance i,- i,-



angiography