NR507 MIDTERM EXAM WITH CORRECT ANSWERS 2025 GRADED A+

NR507 MIDTERM EXAM WITH
CORRECT ANSWERS 2025
GRADED A+



type 1 hypersensitivity reaction correct answers >>
allergic reaction, IgE mediated


type 2 hypersensitivity reaction correct answers >>
cytotoxic and tissue/organ specific, IgG/IgM,
macrophages are primary effector cells (Grave's disease)


type 3 hypersensitivity reaction correct answers >>
systemic reaction that results in autoimmune disorders
(lupus, rheumatoid arthritis), IgG/IgM


what disease is a type 2 and type 3 hypersensitivity
reaction? correct answers >> systemic lupus
erythematosus


symptoms of lupus erythematosus correct answers
>> facial butterfly rash, oral/nasopharyngeal ulcers,
photosensitivity, discoid rash (raised patches/scaling),
arthritis, renal and neurologic disorders

, type 4 hypersensitivity reaction correct answers >>
T-cell mediated response that is delayed (poison ivy)


secondary immunodeficiency correct answers >>
complication of some other physiologic condition or
disease


what is the most common cause of secondary
immunodeficiency? correct answers >> malnutrition


primary immunodeficiency correct answers >> result
of single gene defects


how is iron deficiency anemia characterized? correct
answers >> microcytic hypochromic


what are causes of iron deficiency anemia? correct
answers >> poor nutrition, cirrhosis, GI ulcers, colitis,
chronic bleeding


how is RBC size measured? correct answers >> RBC
distribution width (RDW)


how is RBC concentration measured? correct answers
>> mean corpuscular hemoglobin concentration (MCHC)