Sophias docter suspects she has been using marijuana for a long period of time.

Knowing if a patient has tuberculosis, hepatitis b, or aids is important because a. serious illnesses should be avoided. b. they could compromise the vital sign readings. c. cross-infection may occur. d. they can't be cured.

What is the function of the retina?

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.