What if my swollen lymph node doesn’t hurt and nothing is happening to me, should i worry for myself?

to me you shouldn't worry yourself

Explanation:

if you worry yourself then your nerves with act up

b) the heart is a pump made of muscle and that is difficult to grow in the lab.

answer: b. complete secondary assessment (detailed physical exam).

after you finished the primary assessment, you must proceed with the assessment by performing a complete detailed physical examination.

this secondary assessment includes a focused on patient’s history, vital signs and a specific and rapid examination of the entire body especially on the injuries acquired from the motor vehicle accident and the patient’s medical complaint.