Another name for helper T cells is CD4+ (now options are correct), it is due to the presence of specific cell surface receptors.
<h3>What are T cells?</h3>
T cells are also called CD4- + positive cells have essential functions in the immune system by triggering adaptive immune responses.
These cells CD4- + positive cells contain specific cell surface receptors that can be identified by biochemical analyses.
In conclusion, another name for helper T cells is CD4+ (now options are correct), it is due to the presence of specific cell surface receptors.
Learn more about T cells or CD4+ cells here:
brainly.com/question/9875046
#SPJ1
She can help by conserving energy, plant trees, and use eco friendly cars.
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.