A patient reports that her left lower molar is insensitive to cold foods and the tooth appears dark upon inspection. These findings most likely indicate
a. bruxism. c. repetitive biting on hard substances.
b. a dead tooth. d. dental caries.
B
A tooth that is dark in color with no sensitivity to cold is a dead tooth. This results in a darkening of the enamel. Bruxism, or grinding of the teeth, results in biting surfaces that are worn down. Repetitive biting on hard surfaces or objects can also cause the biting surfaces of the teeth to be worn down. A tooth with white or black patches on the surface has a cavity or dental carie in it.
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The nurse is developing a teaching plan for a patient with asthma. Which of the following teaching points has the highest priority?
A) Avoid contact with furry animals. B) Change filters on heating and air conditioning units frequently. C) Take prescribed medications, as scheduled. D) Avoid goose down pillows.
Which procedure describes a probability sampling method?
1. Identification of a sampling frame for an accessible population, writing element names on paper, placing the written names in a bowl, and drawing element names from the bowl. 2. Identification of community organizations and churches in an urban setting and recruiting participants. 3. Identification of individuals demonstrating the variable(s) of interest to the researcher and recruiting participants based upon suggestion from the first individuals identified. 4. Identification of the accessible population and selecting study participants based upon the researcher's belief that the participant is representative of the accessible population.
California was the first state to mandate nurse-to-patient staffing:
a. plans. c. patterns. b. ratios. d. departments.
Which statement made to a nurse about food insecurity is concerning?
A) "My mom cooks once a week and we go out to eat the other days." B) "I often feel like I don't want to eat; I'm getting so fat!" C) "I love to cook. I often cook for my friends and family." D) "We often eat at the local shelter when we can."