Sacrum & Coccyx Quiz

Question 1

Where should the CR be directed on the AP sacrum projection?

a.) 1/2’’ below pubic symphisis
b.) 1’’ below pubic symphisis
c.) 1’’ superior to pubic symphisis
d.) 2’’ superior to pubic symphisis

Answer 1

d.) 2’’ superior to ppubic symphisis

Question 2

What is the CR angulation on the lateral sacrum and coccyx projection?

a.) 5 degrees caudad
b.) 10 degrees caudad
c.) perpendicular
d.) 15 degrees cephalad

Answer 2

c.) perpendicular

Question 3

What is the CR angulation on the AP sacrum projection?

a.) 5 degrees caudad
b.) 10 degrees caudad
c.) 15 degrees caudad
d.) 15 degrees cephalad

Answer 3

d.) 15 degrees cephalad

Question 4

WHat is the CR angulation for the AP coccyx projection?

a.) 5 degrees caudad
b.) 10 degrees caudad
c.) 15 degrees cephalad
d.) 10 degrees cephalad

Answer 4

b.) 10 degrees caudad

Question 5

Where should the CR be directed on the lateral sacrum and coccyx?

a.) at ASIS
b.) at iliac crest
c.) 3 to 4’’ anterior to ASIS
d.) 3 to 4’’ posterior to ASIS

Answer 5

d.) 3 to 4’’ posterior to ASIS

Question 6

Where should the CR be directed on the lateral coccyx projection?

a.) 1/2’’ posterior and 2’’ distal to ASIS
b.) 1’’ posterior and 3’’ dista; to ASIS
c.) 2 to 4 ‘’ anterior and 2’’ distal to ASIS
d.) 3 to 4’’ posterior and 3 ‘’ distal to ASIS

Answer 6

d.) 3 to 4’’ posterior and 3’’ distal to ASIS