Briefly define the set of terms and explain how they relate to one another: MHC, HLA, Haplotype

Neutropenic precautions are used if a patient is  immunocompromised. prescribed more than three antibiotics. has previously had hospital-acquired pneumonia. was recently admitted from a LTCF.

Which of the following would produce the most severe immunocompromised condition? Clogged arteries reduce the efficiency with which cells can move throughout the body A virus attacks mast cells, so that they are not able to release signaling factors when they encounter pathogens A mutation in the gene that controls keratin synthesis produces extremely brittle hair, both inside & outside the body Severe burns damaged multiple layers of the skin, so secretions of mucus, sweat & oil are all significant lower than normal None of these conditions affect the immune system

Describe the pathogen that causes “The Flu”. What happens you get the flu and how did you most likely acquire it. Explain how the causal pathogen is different from many other pathogens in terms of why it can cause epidemics and pandemics and why you need an annual vaccine. Define the terms antigenic shift and antigenic drift and explain how they are related to this disease.