E. give off recurrent meningeal branches 

D. innervate the serratus posterior muscles

A. all have lateral branches innervating the skin

B. have no cutaneous branches from C1, C2

C. innervate the levator costae muscles 

E. the costo-cervical trunks 

A. the intercostal vessels

D. the vertebral arteries 

C. branches of the lumbar vessels

B. vessels entering the cervical intervertebral foramina

B. C4 and T1

E. None of the above 

A. C3 and T1

D. C4 and T3

C. C4 and T2 

S is true and R is false 

Both S and R are false

S is true, R is true but not a valid explanation of S 

S is false and R is true

S is true, R is true and a valid explanation of S

S is true, R is true and a valid explanation of S 

Both S and R are false 

S is true and R is false

S is false and R is true

S is true, R is true but not a valid explanation of S

S is false and R is true

Both S and R are false 

S is true and R is false

S is true, R is true but not a valid explanation of S

S is true, R is true and a valid explanation of S 

S is true and R is false

S is false and R is true 

both S and R are false 

S is true, R is true but not a valid explanation of S

S is true, R is true and a valid explanation of S

S is true and R is false 

Both S and R are false

S is true, R is true but not a valid explanation of S 

S is false and R is true

S is true, R is true and a valid explanation of S

Both S and R are false

S is false and R is true

S is true and R is false 

S is true, R is true but not a valid explanation of S 

S is true, R is true and a valid explanation of S

True

False

True

False

False

True

False

True

False

True

True

False