Examples of ___ include muscle and epithelium A cells
B tissues
C organs

Tissues that work together to perform a task are called
A cells
B organs
C systems

True, this is when someone has mood swings

The question may be incomplete (there are not the possible answers), but according to the scenario, kaley and her coworkers could be in a humanitarian organization like red cross (in the us or in other countries). it's an organization which organizes health and safety services, disaster services, and blood donations.

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe. 

You can write out the letter, but it should specify: the patient hasn't been controlling their diabetes bc glucose and ketones spilling into the urine. also, the positive nitrite could indicate a u.t.i. infections can cause hyperglycemia in a diabetic. also the reverse, uncontrolled blood sugar can lead to glycosuria, which is a good nidus for bacteria to grow from sugar in urine, leading to a uti.