External auditory meatus develops from___________________?
		A.	Dorsal part of 1st ectodermal pouch
B.	Dorsal part of 2nd cleft
C.	Dorsal part of 3rd ectodermal pouch
D.	Sixth branchial arch
		A.	Dorsal part of 1st ectodermal pouch
B.	Dorsal part of 2nd cleft
C.	Dorsal part of 3rd ectodermal pouch
D.	Sixth branchial arch
		A.	Nucleus globosus
B.	Nucleus emboliformis
C.	Nucleus dentatus
D.	Nucleus fastigi
E.	All of the above
		A.	Glucose 6 phosphate dehydrogenase
B.	Glucose 1 phosphate dehydrogenase
C.	Glucose 1,6 diphosphate dehydrogenase
D.	All of the above
		A.	Syphilis
B.	Recurrent herpes labialis
C.	Carcinoma
D.	Traumatic aphthous ulcer
		A.	A good analgesic but a poor anesthetic
B.	A good anesthetic but a poor analgesic
C.	A good analgesic and a good anesthetic
D.	A poor analgesic and a poor anesthetic
		A.	Accumulate in renal failure
B.	Inhibit protein synthesis
C.	Effective against gram negative infection
D.	All of the above
		A.	One Fc fragment and two Fab fragments
B.	One Fc fragment and four Fab fragments
C.	Two Fc fragments and two Fab fragments
D.	Two Fc fragment and one Fab fragment