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CNM Exam Unit 3 Questions And Correct Answers
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CNM Exam Unit 3 Questions And Correct AnswersXray 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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