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Worksheets

DH105SJVC

Total questions: 57

Worksheet time: 31mins

Name
Class
Date
1.

Brain and Spinal Cord make up the

(a)  

2.

Which neuron carries impulse from body to brain or spinal cord

(a)  

3.

Which neuron carries impulses from brain to body

(a)  

4.

Operates with conscious control

(a)  

5.

Sympathetic: ______ _______ ( Select two)

a)

Rest

b)

Digest

c)

Fight

d)

Flight

6.

Parasympathetic: _____ _____ (Select all that apply)

a)

Rest

b)

Digest

c)

Fight

d)

Flight

7.

What part of a neuron conducts impulses toward the cell body

(a)  

8.

What part of a neuron provides metabolic support for the neuron

(a)  

9.

What part of a neuron conducts impulse AWAY from the cell body

(a)  

10.

Group of neural cell bodies outside the CNS

(a)  

11.

Supporting cells of the nervous system, do not conduct nerve impulses

(a)  

12.

Bundle of neural processes (axon, dendrites) outside the CNS

(a)  

13.

1)Junction between two neurons or neuron and an organ

2.) Location where impulses are conducted by electrical or chemical means

a)

Synapse via axon terminals

b)

Cell body

c)

Dendrite

d)

Ganglion

14.

What events occur in the proliferative stage? ( Select all that apply)

a)

Neuralation

b)

Fertilization

c)

Bilaminar disc formation

d)

Implantation

e)

Differentiation

15.

A fertilized egg (ovum) grows and becomes a

(a)  

16.

Fertilized egg contains (a)   chromosomes

17.

(a)   : Cell mass - forms ball of cells 8-12 cells

18.

Endometrium: Uterine lining _____in preparation

a)

Changes

b)

Thins

c)

Divides

19.

As morula continues to grow, it forms a cavity within the outer ball of cells

(a)  

20.

Proliferative stage stops at Trilaminar disc formation

a)

True

b)

False

21.

Trophoblast cells later become (a)  

22.

If no implantation occurs. Termination occurs with (a)  

23.

Embryoblast cells differentiate to form two distinct cavities _____ & _____

(a)  

24.

Epiblast differentiate into (a)  

25.

Hypoblast differentiate into (a)  

26.

Proliferative Stage

a)

0-2 weeks

b)

2-8 weeks

c)

0-4 weeks

d)

4-8 weeks

27.

Embryonic Stage

a)

2-6 weeks

b)

3-8 weeks

c)

4-8 weeks

d)

3-6 weeks

28.

Gastrulation: Formation of (a)   disc

29.

(a)   : Folding within itself

30.

Which germ layers are present at the end of the Proliferative Stage

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

31.

Body covering and the oral cavity come from which germ layer?

(a)  

32.

GI tract and associated glands come from which germ layer?

(a)  

33.

What 3 germ layers are present during the embryonic stage

a)

Epidermis

b)

Ectoderm

c)

Mesoderm

d)

Metaderm

e)

Endoderm

34.

What does the notochord gives rise to?

(a)  

35.

Enamel comes from which germ layer

a)

Endoderm

b)

Mesoderm

c)

Ectoderm

36.

Which germ layer is the Dorsal layer

a)

Ectoderm

b)

Endoderm

c)

Mesoderm

37.

What germ layer is the ventral laer

a)

Ectoderm

b)

Endoderm

c)

Mesoderm

38.

______ - lateral longitudinal thickening along the primitive streak on the dorsal surface

a)

Neural Stick

b)

Neural Plate

c)

Notochord

39.

What is the most sensitive stage?

(a)  

40.

Tissues most susceptible to damage between ____ post conception.

a)

3-8 weeks

b)

3-8 months

c)

2-6 weeks

d)

2-6 months

41.

neural tube (future (a)   )

42.

(a)   influence: cause disruption or malformation

EX: radiation, drugs, infections, hormones

43.

Which Oral Tissues come from mesodem

a)

Enamel

b)

Dentin

c)

Pulp

d)

Cementum

e)

Periodontal Ligament

44.

Which structures arise from Mesoderm

a)

Epidermis

b)

Connective Tissue

c)

Gastrointestinal Epithelium

d)

Nervous System

45.

Maturation takes place in which stage

(a)  

46.

Fetal Stage

a)

8-9 months

b)

8 weeks - 9 months

c)

2-6 months

d)

4 weels to 9 months

47.

What oral tissue arises from Endoderm

a)

Pulp

b)

Enamel

c)

Cementum

d)

Posterior 1/3 of tounge

48.

Inner surface of arch I and anterior portion of arch II lined with

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

49.

Inner surface of arches III-V lined with

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

50.

Arch separated Internally by

a)

Brachial clefts

b)

Brachial grooves

c)

Pharyngeal pouches

d)

Pharyngeocytes

51.

Arch separated Externally by

a)

Branchial clefts/ grooves

b)

Endocytes

c)

Pharyngeal pouches

d)

Phayoblasts

52.

Branchial Arch I is also known as (a)   arch

53.

Which arch is the most important arch

a)

Branchial arch I

b)

Branchial arch II

c)

Branchial arch III

d)

Branchial arch IV

54.

What are some structures formed by the Branchial arch I

a)

auditory meatus

b)

Hard palate

c)

Mandible

d)

Trigeminal Nerve

CN V

e)

Vagus Nerve

CN X

55.

The mandibular arch develops the mandible via _______ cartilage

a)

Hudson's

b)

Orofacial

c)

Meckel's

d)

Drexl's

56.

Branchial groove I develops into _____ auditory meatus

a)

Intenal

b)

External

57.

Pharyngeal pouch II forms

a)

Eustachian tube

b)

Parathyroids

c)

Palatine tonsils

d)

Laryngeal