NR 283 Pathophysiology Exam Week 4
2025/2026 Updated Questions and Answer
Graded A+
What are the 4 functions of CSF
maintains homeostasis
collects waste products
exchanges gas with blood
protects brain
what are te layers of skull ((outside to inside)
skin
Skull
Dura Mater
Arachnoid mater
Subarachnoid
,Pia mater
Brain4
4 ways to increase intracranial pressure
1. excessive CSF
2 meningitis
3. subdural hematoma
4. brain tumor
Risk factors for TBI (4)
Falls
Sports
car crashes
Meds
pathway for increase in intracranial pressure
1. increased intracranial pressure
2. increased blood pressure
3. Increase pulse pressure (Systolic - Diastolic)
4. decreased pulse rate
, 5. decreased respiration
Symptoms of high brain pressure
Signs of high brain pressure
Symptoms: Pain and vomiting
Signs:
1. LOC
2.Increased BP
3. Slow pulse
4. Papillaedema: swelling of optic disc
5. Pupils Dilated/fixed
tests to check for intracranial pressure
CT
how to reduce risk of death from brain swelling
keeping head elevated
ventricular peritoneal shunt
2025/2026 Updated Questions and Answer
Graded A+
What are the 4 functions of CSF
maintains homeostasis
collects waste products
exchanges gas with blood
protects brain
what are te layers of skull ((outside to inside)
skin
Skull
Dura Mater
Arachnoid mater
Subarachnoid
,Pia mater
Brain4
4 ways to increase intracranial pressure
1. excessive CSF
2 meningitis
3. subdural hematoma
4. brain tumor
Risk factors for TBI (4)
Falls
Sports
car crashes
Meds
pathway for increase in intracranial pressure
1. increased intracranial pressure
2. increased blood pressure
3. Increase pulse pressure (Systolic - Diastolic)
4. decreased pulse rate
, 5. decreased respiration
Symptoms of high brain pressure
Signs of high brain pressure
Symptoms: Pain and vomiting
Signs:
1. LOC
2.Increased BP
3. Slow pulse
4. Papillaedema: swelling of optic disc
5. Pupils Dilated/fixed
tests to check for intracranial pressure
CT
how to reduce risk of death from brain swelling
keeping head elevated
ventricular peritoneal shunt
