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MSK 24th April 23 - session 2 (development of limbs)

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

Which germ layer are somites made from?

a)

Ectoderm

b)

Mesoderm

c)

Endoderm

2.

In what week of development do the limb buds usually appear?

a)

3rd week

b)

4th week

c)

5th week

d)

6th week

3.

What is the name of the boundary between the ventral and dorsal limb ectoderm?

a)

Dermatomal boundary

b)

Partition of the myotome

c)

Ventral margin

d)

Axial line

4.

What is a motor unit?

a)

The muscle fibres innervated by a single motor nerve fibre

b)

A group of muscles innervated by a single nerve root

5.

Where does secondary ossification occur?

a)

Periosteum

b)

Metaphysis

c)

Epiphysis

d)

Diaphysis