An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
True...yes it is an example of Communication Roadblock
State plans must be at least as effective as federal OSHA, but some states, such as California, have chosen to adopt stricter standards. In four of these locations (Connecticut, Illinois, New Jersey, New York, and the Virgin Islands), the state plan covers public-sector workers only; private-sector employers are still covered by federal OSHA.
The provided question lacks the options that are required to answer, however the options are as follows -
a. "It will help prevent bedsores from developing."
b. "It will help prevent nerve damage and foot drop."
c. "It will keep the new hip from becoming dislocated."
d. "It will prevent climbing out of bed if he becomes confused."
Answer:
The correct answer is - option c.
Explanation:
After the surgery for the complete hip replacement there is risk of the dislocation of the new hip. To avoid this dislocation in medical surgical unit nurses support the hip with the wedge shaped pillow.
In this provided option on the basis of the given explanation would be the option C which states that it will keep the new hip from becoming dislocated.
Thus, the correct answer is - option C.
I think that oxygen is needed , because it helps elevate the blood level and help oxygen spread to your brain/ heart.