What causes the teeth of the elderly to appear darker in color?
A) Dentinal tubules
B) Pulp chamber
C) Diet
D) Medications
A
Explanation: A) Dentinal tubules narrow and some close altogether, forming sclerotic dentin. The changes make the older tooth more brittle, less resilient, less soluble, less permeable, and darker in color.
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Cerebral palsy patients typically have some impairment of voluntary motor function and coordination. This condition can present in one of three patterns. Which of the following statements does not describe one of those patterns?
a. Involuntary muscle contraction in one or more extremities b. Slow, involuntary movements and contractions that can affect balance c. Rigidity in one or more extremity d. Flaccid muscles in one or more extremity
A patient has an altered mental status accompanied by loss of motor function on one side of the body. The EMT must suspect which condition as the cause of this presentation?
A) Seizure B) Hypoglycemia C) Stroke D) Syncope
Point-of-care testing refers to laboratory tests performed at or near _______________
Fill in the blank with correct word.