I think what u are  taklking abt is ijv(internal jugualr vein).if you are too thin or too fair ,thay are visible.Also if jvp is raised it is also a sign of heart failure.

no worries. but get examined

Consult a physician for examination.

Consult nearest physician

It may be a normal and you must have noticed it now. No HIV at all,you need to have blood test for it

Hello sir, Needs proper history and clinical discussion, please consult directly from PRACTO *You can have chat, audio or video call discussion* Or download my personal app, http://arth.link/vrclinic Or https://play.google.com/store/apps/details?id=tech.arth.drjaideepgaver If link is not clickable than search *vr clinic by dr j.d. singh* in your play store

No

No

Most unlikely. It affects lymph nodes. HIV most often affects lymph nodes around the neck as well as in the armpits and groin. Swollen lymph nodes may occur within a few days of HIV contraction.