The nurse is obtaining a throat culture. What area will the nurse swab with a cotton-tipped applicator?
a. Larynx
b. Oral mucosa
c. Pharynx
d. Trachea
ANS: C
The nurse should swab the tonsillar area (pharynx) with a sterile cotton-tipped applicator to obtain a specimen for a throat culture.
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a. insulin secretion. c. insulin-to-glucagon ratio. b. cellular metabolism. d. insulin-to-thyroxine ratio.
During a focused interview of a client, the nurse learns about an open lesion on the client's head that has not healed in several months. Which conclusion is appropriate for the nurse to make based on this data?
1. The client may have a thyroid disease. 2. The client may have a malignancy. 3. The client may be pregnant. 4. The client may have meningitis.
Which of the following statements is true about the test environment?
1. The findings of the system test always indicate how well the system will perform in the live environment. 2. The test environment is not exactly the same as the live environment, because the live environment is much larger and more complex. 3. The test environment is unnecessary with the progress made in technology. 4. The test environment is done for training purposes.
Deficiency of which nutrient during pregnancy can cause spina bifida in the unborn baby?
a. Folic acid b. Chromium c. Ascorbic acid d. Cholecalciferol