The question is incomplete as the group of choices are not available, however the answer is given on the generalized knowledge.
Answer:
The correct answer would be : A distress flag.
Explanation:
VDS stands for the visual distress signal use by the people who is in some sort of distress or lost with their boat mainly. VDS involve mainly pyrotechnic and non pyrotechnic visual distress signals to attracts attention towards them in distress.
A non pyrotechnic VDS is type of VDS that does not involve any type of exothermic reaction or flare gun to bring attention. These Non pyrotechnic VDS can also be different on the basis of the time of the use. The approved day time non pyrotechnic distress signal is The distress flag. The size of the flag must be at least 3 × 3 feet with a black square and ball on an orange background.
The CPT code reported for the visit is the physical exam
code. This is chosen base on the status of the patient and the patient’s age.
With the help of the URI, there is a capability of reporting the status of the
patient’s visit. This code will be reported because of the visit that had occurred
on the patient.
I have to say the answer is all of the above
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I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
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D is the answer due to lack of knowledge and accessibility
