What is the return value of f(3,3)? Q = 2def f(x,y):   z = (x**2 + y**2)/Q    print(z)

A registered nurse (RN) instructs a nursing assistive personnel (NAP) to take vital signs for several patients. Which of the following best describes this situation?

What is the output of the following program? x=”abc”def f(): x=”def”f()print(x)

What type of cells contain MHC I & MHC II molecules?

Which of the following can be considered as a first-line defense?

Which of the following is the most abundant class of antibody in the blood?

What type of T-lymphocyte, upon differentiation, directly attacks virally-infected or tumor cells?

An immature T-lymphocyte is able to recognize self-antigen bound to self-MHC. What is its fate?

Which of the following is considered a primary lymphoid organ? Select ALL that apply.

Max is bitten by a rattlesnake while on a camping trip. His friends immediately apply ice packs to the bitten area to slow the spread of the protein-based toxin; they then rush him to an emergency facility. What treatment would be given and why? Would this treatment provide immunity against future rattlesnake bites? Why or why not?