Diabetes Insipidus Diagnosis Tests

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What is the primary advantage of using SPECT scans over PET scans?

Lower cost (correct)

Higher resolution images

Ability to provide true 3D information

Shorter scan time

How are radioisotopes able to cross the blood-brain barrier during SPECT scans?

Injection of a radiopharmaceutical agent via IV (correct)

Oral ingestion of the radioisotopes

Inhalation of the radioisotopes

Application of the radioisotopes to the skin

Where is the patient positioned during a SPECT scan?

In a loud and bright room

On an MRI machine

On an x-ray table in a quiet dark room (correct)

Standing upright

What type of information can SPECT scans provide?

True 3D information Signup and view all the answers

In the provided text, what change in brain activity was observed in the three-year-old patient after 9 months?

Increased brain activity Signup and view all the answers

What was the improvement observed in the three-year-old patient after 9 months?

Regained normal vision and improved neurological function Signup and view all the answers

What is the purpose of the Vasopressin Administration Test?

To differentiate between central and nephrogenic diabetes insipidus Signup and view all the answers

What is the first-line treatment for chronic neurogenic diabetes insipidus?

Thiazide diuretic (HCTZ) Signup and view all the answers

In the Vasopressin Administration Test, if there is a significant increase in urine osmolality, it indicates:

Central diabetes insipidus Signup and view all the answers

What is the recommended treatment for both dehydration and hypernatremia after assessing fluid status and serum sodium levels?

Low-sodium diet with thiazide diuretics Signup and view all the answers

When is DDAVP (nasal vasopressin) usually ineffective for treating diabetes insipidus?

In nephrogenic diabetes insipidus Signup and view all the answers

What is the purpose of the Vasopressin Administration Test if there is a little to no increase in urine osmolality?

To differentiate between central and nephrogenic diabetes insipidus Signup and view all the answers

What is important to maintain for managing life-threatening hypocalcemia?

A patent IV line and calcium gluconate 10% solution Signup and view all the answers

What is the purpose of administering anticonvulsants to a client with increased intracranial pressure (ICP)?

To prevent seizures Signup and view all the answers

What is a common symptom of neurologic disease?

Symptom-free periods Signup and view all the answers

How is life-threatening hypocalcemia managed to raise calcium levels?

IV calcium gluconate Signup and view all the answers

Why should the nurse instruct the client to avoid Valsalva's maneuver?

To avoid worsening intracranial pressure (ICP) Signup and view all the answers

Why is it important to keep calcium gluconate 10% solution available?

For IV administration to raise calcium levels Signup and view all the answers

How do hyperosmotic agents like Mannitol work in managing increased intracranial pressure?

By drawing fluid from brain cells Signup and view all the answers

What is the purpose of corticosteroids in the management of increased intracranial pressure?

To stabilize cell membranes and reduce cerebral edema Signup and view all the answers

What should be done to prevent seizures in the context of neurologic assessments?

Keep a tracheostomy set available Signup and view all the answers

Which intervention is part of nursing management in neurology to watch out for cardiac complications?

Keep a tracheostomy set and endotracheal tube available Signup and view all the answers

Why is it essential for the nurse to monitor electrolyte levels and acid-base balance in a client with increased intracranial pressure?

To ensure physiological stability and prevent complications Signup and view all the answers

What is the role of beta blockers like Propranolol in managing intracranial pressure?

To maintain cerebral perfusion at a normal level Signup and view all the answers

What is the term used for a stroke caused by a blood vessel leaking into the brain?

Hemorrhagic stroke Signup and view all the answers

In the assessment of a stroke, which of the following is NOT considered a generalized sign?

Homonymous hemianopsia Signup and view all the answers

Which stage of stroke development involves progressive symptom development over hours to days?

Stroke in evolution Signup and view all the answers

What is the primary purpose of maintaining complete bed rest for a patient in the acute stage of a stroke?

Reduce stress on the brain Signup and view all the answers

Which diagnostic test for stroke may show occlusion or malformation of blood vessels?

Cerebral arteriography Signup and view all the answers

What is the main cause of permanent damage in a stroke according to the provided text?

Death of neurons due to interrupted blood flow Signup and view all the answers