The nurse examines the child's tonsils while preparing to swab them with the culture swab. A white pustule coating is noted to be covering the tonsils. What is this pus composed of?  A) Waste from red blood cells B) Live bacteria C) Fibrin threads D) White blood cells and debris from phagocytosis

To diagnose someone with HIV, what do they look for in the blood?

Two days after receiving her first mRNA Covid vaccine shot at her arm, Sonya notices a nodule under the nearby arm pit. She is still worried even though some websites mention it is a common side effect. A) What is the nodule? B) Why will the vaccine delivered at her arm cause the swollen nodule at the arm pit? Describe the sequential reactions and involved cell types and molecules. How do the reactions protect her?

10:35 8) Which test(s) is (are) used to detect hepatitis B? 1. A) Radioimmunoassay 2. B) ELISA 3. C) Antibody test 4. D) All of the choices are correct.