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CNM Exam Unit 3 Questions And Correct Answers

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CNM Exam Unit 3 Questions And Correct Answers...

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CNM Exam Unit 3 Questions And Correct Answers


Xray white - ANSWER - Bone/dense structures

hyper dense



Xray black - ANSWER - Air/less dense structures

hypodense



Xray grey - ANSWER Intermediate density



CSF color - CT - ANSWER Dark grey



Fat outside skull color - CT - ANSWER Nearly black



White matter color - CT - ANSWER Slightly darker than cellular grey matter



CT Hounsfield Units (HU) < to > - ANSWER Air

Fat

Water

CSF

White matter

Grey matter

Fresh blood

Bone



Acute intracranial hemorrhage that is coagulated (heavier) - ANSWER Hyper dense

, Degenerated clot - ANSWER Isodense



Hemorrhage (2-3 weeks) - ANSWER Hypodense



hemorrhage - ANSWER excessive bleeding



Ischemia - ANSWER Lack of blood supply



infarction - ANSWER death of tissue



Hematoma - ANSWER Clot



neoplasm - ANSWER new growth (can be tumor)



CT contrast agent - ANSWER Iodine



Structures that take up contrast (iodine will appear hyperdense): - ANSWER - arteries

- venous sinus

- choroid plexus

- dura



Gray matter MRI - ANSWER T1 - grey

T2 - light grey

F - light grey



White matter MRI - ANSWER T1 - white

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