Use Case B to Answer the Following Questions

question 31

Multiple Choice

Use Case B to answer The Following questions
CASE B
A 48-year-old woman is being treated by the dental hygienist for the first time. She states that she is in very good health. Clinical examination reveals generalized bleeding of the gingiva with generalized rolled margins, bulbous interdental papillae, and no signs of inflammation of the attached gingiva. A 1-mm zone of attached gingiva on the facials of the mandibular central incisors and a class I furcation on the facial of tooth #30 are noted. She has a 7-mm clinical attachment loss reading on the facial of #30. Radiographs do not reveal the furcation, but a radiopacity that is continuous with the coronal enamel and extends into the furcation is noted. No other attachment loss or bone loss is noted throughout the mouth. Occlusal evaluation reveals no premature contacts or signs of tooth wear.
-Enamel projections on the root surface are attributed to the differentiation of:

• A)Cementoblasts
• B)Enamel spindles
• C)Primary enamel cuticle
• D)Enamel tufts
• E)Hertwig's epithelial root sheath

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Definitions:

Signal Transduction

The process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most often protein phosphorylation.

Signal Transmission

The process of transmitting information in the form of signals from one part of an organism to another, essential for coordination and function in biological systems.

Reception

Process of detecting a stimulus.

Neurotransmitters

Chemical substances that transmit signals across the synaptic gap from one neuron to another in the nervous system.