NCLEX Qs Module 9 Exam Questions With Correct Answers
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Course
NCLEX
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NCLEX
NCLEX Qs Module 9 Exam Questions With
Correct Answers
B.
Sudden removal of CSF results in pressures lower in the lumbar area than the brain and favors
herniation of the brain; therefore, LP is contraindicated with increased ICP. Vomiting may be
caused by reasons other than increased ICP; there...
NCLEX Qs Module 9 Exam Questions With
Correct Answers
B.
Sudden removal of CSF results in pressures lower in the lumbar area than the brain and favors
herniation of the brain; therefore, LP is contraindicated with increased ICP. Vomiting may be
caused by reasons other than increased ICP; therefore, LP isn't strictly contraindicated. An LP
may be preformed on clients needing mechanical ventilation. Blood in the CSF is diagnostic for
subarachnoid hemorrhage and was obtained before signs and symptoms of ICP. - answer✔✔A
client admitted to the hospital with a subarachnoid hemorrhage has complaints of severe
headache, nuchal rigidity, and projectile vomiting. The nurse knows lumbar puncture (LP) would
be contraindicated in this client in which of the following circumstances?
A. Vomiting continues
B. Intracranial pressure (ICP) is increased
C. The client needs mechanical ventilation
D. Blood is anticipated in the cerebralspinal fluid (CSF)
C.
Mannitol promotes osmotic diuresis by increasing the pressure gradient, drawing fluid from
intracellular to intravascular spaces. Although mannitol is used for all the reasons described, the
reduction of ICP in this client is a concern. - answer✔✔A client with a subdural hematoma
becomes restless and confused, with dilation of the ipsilateral pupil. The physician orders
mannitol for which of the following reasons?
A. To reduce intraocular pressure
B. To prevent acute tubular necrosis
C. To promote osmotic diuresis to decrease ICP
D. To draw water into the vascular system to increase blood pressure
A.
Mannitol promotes osmotic diuresis by increasing the pressure gradient in the renal tubes. Fixed
and dilated pupils are symptoms of increased ICP or cranial nerve damage. No information is
, EXAM STUDY MATERIALS 8/7/2024 11:29 AM
given about abnormal BUN and creatinine levels or that mannitol is being given for renal
dysfunction or blood pressure maintenance. - answer✔✔A client with subdural hematoma was
given mannitol to decrease intracranial pressure (ICP). Which of the following results would best
show the mannitol was effective?
A. Urine output increases
B. Pupils are 8 mm and nonreactive
C. Systolic blood pressure remains at 150 mm Hg
D. BUN and creatinine levels return to normal
A.
Normal ICP is 0-15 mm Hg. - answer✔✔4) Which of the following values is considered normal
for ICP?
A. 0 to 15 mm Hg
B. 25 mm Hg
C. 35 to 45 mm Hg
D. 120/80 mm Hg
A.
A therapeutic phenytoin level is 10 to 20 mg/dl. A level of 32 mg/dl indicates toxicity.
Symptoms of toxicity include confusion and ataxia. Phenytoin doesn't cause hyponatremia,
seizure, or urinary incontinence. Incontinence may occur during or after a seizure. - answer✔✔5)
Which of the following symptoms may occur with a phenytoin level of 32 mg/dl?
A. Ataxia and confusion
B. Sodium depletion
C. Tonic-clonic seizure
D. Urinary incontinence
C.
The earliest symptom of elevated ICP is a change in mental status. Bradycardia, widened pulse
pressure, and bradypnea occur later. The client may void large amounts of very dilute urine if
there's damage to the posterior pituitary. - answer✔✔6) Which of the following signs and
symptoms of increased ICP after head trauma would appear first?
A. Bradycardia
B. Large amounts of very dilute urine
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