For dental caries to be recorded on a radiograph, there has to be a decrease in calcium and phosphorus of approximately 40–50 percent

Indicate whether the statement is true or false


True. Dental caries is a process of decalcification and requires a 40 to 50 percent loss of calcium and phosphorus before the decreased density can be seen on a radiograph.

Health Professions

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Using steady adequate pressure to deactivate trigger point sites without exceeding what the individual deems ‘bearable discomfort' describes?

a. Palpation b. Compass c. Direct compression d. Indirect compression

Health Professions

Which one of the following statements about a nasal cannula is true?

A) "I can adjust the oxygen flow rate anywhere from 1 to 8 lpm, depending on how much oxygen the patient needs." B) "When the nasal cannula is set to the highest appropriate oxygen flow rate, a large portion of the air inspired by the patient is ambient air." C) "The nasal cannula is preferred over the nonrebreather mask because it gives the oxygen through the nose instead of the mouth." D) "It is best to see how the patient tolerates the nasal cannula before attempting to place a nonrebreather mask on the patient."

Health Professions

Even if the Index identifies a seven-character code, it should still be verified using the Table to make sure it accurately describes the documented procedure

Indicate whether this statement is true or false.

Health Professions

The atomic number is equal to the:

A. number of neutrons in the nucleus. B. sum of the protons and neutrons in the nucleus. C. sum of protons and electrons in an atom. D. number of protons in the nucleus.

Health Professions