The skin performs all of the following tasks except:
A) protecting against dehydration.
B) regulating temperature.
C) providing a barrier against infection and foreign bodies.
D) synthesizing vitamin A.
D
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When assessing a 3-year-old who is in respiratory distress, which assessment finding would be most concerning?
A) Retraction of the muscles between the ribs B) Abdominal rise and fall during breathing C) Retractions observed above the clavicles D) Respiratory rate of 28 breaths per minute
The pulmonary trunk branches into the left and right _______________ _______________ (letter J), which carry deoxygenated blood to the lungs.
 FIGURE 1.png)
Exposure to high levels of radiation can lead to which of the following?
A) Decrease in red and white blood cells B) Bone marrow damage C) Fetal damage D) All of the above
Which organization must demonstrate that prescription medications are safe and effective?
A. Food and Drug Administration B. American Medical Association C. Commission on Chronic Illness D. American Public Health Association