General Principles

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Author:
Marine
ID:
295222
Filename:
General Principles
Updated:
2015-02-08 06:41:17
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General Principles
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General Principles
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  1. Partitution devides ontongeny into a prenatal period and a postnatal period.

    True

    False
    True
  2. The embryonic period begins at fertilization and ends at the end of the eighth week post-conception.

    True

    False
    False

    • Embryonic period begins at 3 weeks and ends at 8 weeks. ( 3 weeks-8weeks)
    • Fetal period begins when the embryonic period and ends at 38 weeks. ( 9 weeks-38 weeks)
  3. One of the characteristics of humans that complicate the act of childbirth is the relatively large head of the newborn. This is because the
    brain does not grow after birth. 

    True 

    False
    False

    The brain grows a lot in the next 2 decades after birth .However , what goes up must come down , and it actually skrinks in the later years of life.
  4. A plane passing through the body that divides the body into equal right and left halves is called: 

    Coronal

    Sagittal

    Transverse

    Medial

    Median

    Vertical

    Horizontal

    Median
    • Sagittal
    • Median 

    Sagittal=median
  5. A developmental increase in mass is called ;

    Growth

    Histogenesis

    Proliferation

    Fertilization

    Morphogenesis
    Growth 

    • Morphogenesis - development of form, pattern and structure
    • Proliferation- increase in cell number , but not necessarily in size
    • Histogenesis- differentiation of cells into tissues
  6. Diversity of form is brought about by :

    Differential rates of growth

    Metaplasia

    Absolute growth

    Protoplasmic synthesis

    Histogenesis
    • Differential rates of growth
    • Histogenesis
  7. Of the following, factors controlling growth is/are:

    Temperature

    Hormones

    Nutritional factors

    Heredity
    • Temperature
    • Hormones
    • Nutritional factors
    • Heredity
  8. Specific morphogenic processes include :

    Cell migration

    Fusion and splitting

    Folding

    Differential growth

    Cell aggregation

    Bending
    • Cell migration
    • Fusion and splitting
    • Folding
    • Differential growth
    • Cell aggregation
    • Bending
  9. Select the best term describing the hand in reference to the arm:

    Distal

    Proximal

    Medial

    Ventral

    Inferior

    Posterior

    Superior

    Anterior
    distal
  10. In the adult, it is stated that the thorax is superior to the abdomen. The corresponding term for an embryo is : 

    Caudal

    Cranial

    Superior

    Inferior

    Posterior
    cranial

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