1.	Which cranial bones are paired?

	A)	ethmoid
	B)	parietal
	C)	temporal
	D)	b and c

	2.	The G in the positioning line GML stands for:

	A)	gonion
	B)	glabella
	C)	greater wing
	D)	greater trochanter

	3.	The CR location for a townes method is:

	A)	1.5 inches above glabella
	B)	2 inches above glabella
	C)	2.5 inches below glabella
	D)	2.5 inches above glabella

	4.	The CR enters 2 inches superior to the EAM for which position?

	A)	lateral skull
	B)	caldwell method
	C)	townes method
	D)	AP

	5.	The tube angles that can be used for a townes method are 30 and 35 degrees.	

	A)	True
	B)	False

	6.	If the OML is perpendicular on a townes method, the CR is:

	A)	37 degrees caudad
	B)	30 degrees caudad
	C)	37 degrees cephalic
	D)	30 degrees caudad

	7.	The inion is located on the temporal bone.

	A)	True
	B)	False

	8.	The petrous ridges are part of the temporal bone.

	A)	True
	B)	False

	9.	The foramen magnum is formed by the joining of the temperal bones.

	A)	True
	B)	False

	10.	The sella turcica is part of the sphenoid bones.

	A)	True
	B)	False

	11.	Which skull shape is known by a 40 degree angle of the petrous pyramids?

	A)	mesocephalic
	B)	bradycephalic
	C)	brachycephalic
	D)	dolichocephalic

	12.	Which is not a part of the sphenoid bone?

	A)	greater wing
	B)	sella turcica
	C)	clivus
	D)	crista galli

	13.	The occipital bone is best demonstrated with what two skull positions?

	A)	haas and townes
	B)	caldwell and townes
	C)	AP and haas
	D)	PA and townes

	14.	The anterior clinoid is found on the ethmoid bone.

	A)	True
	B)	False

	15.	There are 8 cranial bones and 12 facial bones.

	A)	True
	B)	False

	16.	The CR is angled ________ degrees ________ for a caldwell method.

	A)	30, caudad
	B)	15, cephalic
	C)	15, caudad
	D)	30, cephalic

	17.	Which of the following is not a cranial bone?

	A)	vomer				
	B)	frontal
	C)	ethmoid
	D)	sphenoid

	18.	The submentovertical projection is known as the haas method.

	A)	True
	B)	False

	19.	The greater and lesser wings are part of the sphenoid bone.

	A)	True
	B)	False

	20.	The CR location for a caldwell method is the nasion.

	A)	True
	B)	False

Answer Key -- Skull

	1.	D	b and c
	2.	B	glabella
	3.	D	2.5 inches above glabella
	4.	A	lateral skull
	5.	B	False
	6.	B	30 degrees caudad
	7.	B	False
	8.	A	True
	9.	B	False
	10.	A	True
	11.	D	dolichocephalic
	12.	D	crista galli
	13.	A	haas and townes
	14.	B	False
	15.	B	False
	16.	C	15, caudad
	17.	A	vomer
	18.	B	False
	19.	A	True
	20.	A	True