Which of the Following Statements Are True of Spinal Nerves

question 285

Multiple Choice

Which of the following statements are true of spinal nerves? (Read carefully and select all of the correct statements.)

• A)Each spinal nerve has a dorsal (or motor) root and a ventral (or sensory) root.
• B)Most spinal nerves are mixed nerves.
• C)The phrenic nerves are motor to the diaphragm.
• D)The sciatic nerve supplies the thumb side of the hand.
• E)A dorsal root ganglion consists of the cell bodies of motor neurons.
• F)The pairs of spinal nerves are 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and one coccygeal.

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Definitions:

Germinal Period

The first fortnight of development before birth, following conception, marked by swift cell multiplication and the onset of cellular specialization.

Uterus

A female reproductive organ in which a fertilized egg implants and develops into a fetus.

Nature

The inherent traits and characteristics of an organism or the natural world as a whole.

Nurture

The influence of environmental factors on one's development, apart from hereditary traits.