Question: ABG: pH 7.51, CO₂ 16, HCO₃⁻ 12
Answer Choices:\n\n☐ respiratory alkalosis with no compensation ☐ respiratory alkalosis with partial compensation ☐ metabolic alkalosis ☐ metabolic acidosis
Answer:\n☑ respiratory alkalosis with partial compensation
Question: Bruising behind the ear after head injury:
Answer Choices:\n\n☐ Cullen’s sign ☐ Kernig’s sign ☐ Battle sign ☐ Racoon eyes
Answer:\n☑ Battle sign
Question: First priority test to rule out pancreatic cancer:
Answer Choices:\n\n☐ MRI of spine ☐ chest x-ray ☐ CT scan of the abdomen ☐ liver panel
Answer:\n☑ CT scan of the abdomen
Question: Flat line on EKG:
Answer Choices:\n\n☐ ventricular fibrillation ☐ pulseless electrical activity ☐ asystole ☐ sinus arrest
Answer:\n☑ asystole
Question: CPP of 45 mm Hg after cerebral bleed. First action:
Answer Choices:\n\n☐ place patient supine ☐ contact provider ☐ document ☐ obtain Glasgow Coma Score
Answer:\n☑ contact provider
Question: ICP rose from 13 to 28 mm Hg post craniotomy:
Answer Choices:\n\n☐ brainstem herniation ☐ intracerebral edema ☐ improvement ☐ patient is asleep
Answer:\n☑ intracerebral edema
Question: Monro-Kellie Doctrine: The volume of the cranial vault cannot change.
Answer Choices:\n\n☐ True ☐ False
Answer:\n☑ True
Question: Craniotomy vs Craniectomy:
Answer Choices:\n\nCraniotomy → skull is replaced Craniectomy → skull is not replaced
Answer:\nCraniotomy → ☑ the skull bone is replaced before the surgery is complete Craniectomy → ☑ the skull bone is not immediately replaced
Question: Halo sign on gauze after trauma:
Answer Choices:
Answer:\ncerebrospinal fluid (CSF) leak
Question: Identify rhythm: Idioventricular
Answer Choices:\n\n☐ sinus tachycardia ☐ junctional rhythm ☐ idioventricular rhythm ☐ third degree block
Answer:\n☑ idioventricular rhythm
Question: I have a lab assignment due soon or already submitted.
Answer Choices:\n\n☐ True ☐ False
Answer:\n☑ True
Question: Signs of brain death (SELECT ALL THAT APPLY):
Answer Choices:\n\n☑ absence of brain stem reflexes ☐ positive gag reflex ☑ apnea ☑ negative oculocephalic reflex ☐ decorticate posturing
Answer:\n☑ absence of brain stem reflexes ☑ apnea ☑ negative oculocephalic reflex
Question: ABG: pH 7.37, CO₂ 55, HCO₃⁻ 31
Answer Choices:\n\n☐ Normal ABG ☐ respiratory acidosis with partial compensation ☐ respiratory acidosis with no compensation ☐ respiratory acidosis with full compensation
Answer:\n☑ respiratory acidosis with full compensation
Question: Head injury with ringing ears, nausea, vomiting:
Answer Choices:\n\n☐ concussion ☐ skull fracture ☐ brain herniation ☐ epidural hematoma
Answer:\n☑ concussion
Question: TBI after motorcycle crash — most concerning sign:
Answer Choices:\n\n☐ amnesia for events ☐ bleeding laceration ☐ pupil changes in one eye ☐ restlessness
Answer:\n☑ pupil changes in one eye
Question: ABG: pH 7.24, CO₂ 36, HCO₃⁻ 10
Answer Choices:\n\n☐ metabolic acidosis without compensation ☐ metabolic acidosis, partially compensated ☐ respiratory acidosis ☐ metabolic alkalosis
Answer:\n☑ metabolic acidosis without compensation
Question: CT shows hemorrhage in contact with brain tissue in patient on aspirin/Xarelto:
Answer Choices:\n\n☐ subarachnoid hemorrhage ☐ intracerebral hemorrhage ☐ epidural hematoma ☐ stroke
Answer:\n☑ intracerebral hemorrhage