Answer:
The correct answer is- direct supervision
Explanation:
A dentist is said to be providing direct supervision when the dentist is present physically in the same treatment area where the patient is present after examined the patient and he authorizes the procedure that has to be performed in the treatment area and is available all the time in the treatment area during the procedure.
So in direct supervision, the dentist takes full professional responsibility for the treatment and procedure followed under him or her. So the correct answer is direct supervision.
Smallpox<span> vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught </span>cowpox<span> did not later catch </span>smallpox<span> by showing that inoculated</span>cowpox<span> protected against inoculated </span>smallpox<span>.</span>
B - When was the information written.
Health and fitness information changes drastically as new studies are done and more information is learned, so if the information is 'old' it may not still be relevant.
