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Answer ➜ Skin serves many important functions including:
1. protecting the body from environmental factors such as bacteria, fungus, viruses, allergens, water, and chemicals
2. regulating body temperature by sweating and adjusting blood flow to the skin
3. synthesizing vitamin D
4. helping the body sense touch, pain, temperature, pressure, and position
5. providing some protection against the sun's harmful ultraviolet rays via the skin protein melanin
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Answer:
A. first class lever
Explanation:
the fulcrum is in the middle of the effort and the load.
Why is it important to develop a case history of physical symptoms of each patient to be used along with the physical tests performed on the patientâs urine specimen?
A thorough history will ensure that nothing is missed and will allow critical
pieces of information to be exchanged between various health care professionals
Certain physical symptoms will prompt that certain questions be asked and their
answers included as they may represent pertinent positive negative or positive
data. In short, a good, well-contructed history will allow other physicians to
formulate their own differential diagnoses and will include the pertinent
information on which to base the differential
