Chapter 5- NTD / Pharyngeal Arches

Question 1

What are the cranial nerves

Answer 1

Olf - S
Optic - S
Occulo -M
Trochlear - M
Triggeminal -B (PharyngealArch n#1 Maxi-Mandib)
Abduences -M
Facial-B (pharyngeal arch n#2Hyoid)
Vestibulochlear S
Glossopharayngeals-B (Pharyngeal n#3)
Vagus-B (Pharyngeal n#4)
Accessory M
HypoglOssal M

Question 2

What can help prevent NTD

Answer 2

Follic acid and B12

Question 3

What tissues are affeced from NTD

Answer 3

Anything overlying spinal cord : muscles, v.arches, muscles, meninges

Question 4

When does Spina bifida occur?

Answer 4

Nonfusion of the 1/2 of the embryonic neural arches

Question 5

What is it called when there are incomplete calvaria

Answer 5

Craniolacuna

Question 6

What types of S.B are there

Answer 6

Meningocele - meninges
Myelocele - Sp.Cord
Myelomeningocele - Sp.cord and meninges

Question 7

How does hydrocephaly occur

Answer 7

Production and Absorbtion of CSF - cause intracranial pressure

Question 8

What coveres the pharyngeal arches

Answer 8

Ecotderm and endoderm

Question 9

What does the pharyngeal arches compose off

Answer 9

Cartiliage
Muscle
Nerve
Artery

Question 10

What are the 4pairs of pouches

Answer 10

1 - Tympanic / Auditory
2 - Palatine and Tonsils
3 - Inf. parathyroid and thymus
4 - Sup. parathyroid