NR 507 WEEK 2- IMMUNOLOGY & CELLULAR RESPONSE EXAM WITH CORRECT QUESTIONS AND A+GRADED SOLUTIONS 2026

NR 507 WEEK 2- IMMUNOLOGY &
CELLULAR RESPONSE EXM WITH CORRECT
QUESTIONS AND A+GRADED SOLUTIONS
2026




H1 Receptors - correct answers--Promotes
inflammation
-Smooth muscle contraction- especially those in
the bronchi
-Vasodilation
-Edema
-Hives
-More awake and alert

,Leukotrienes - correct answers--Inflammatory
mediator
-Stimulates contraction of smooth muscles in
bronchioles
-Overproduction causes inflammation in
asthma and allergic rhinitis


H2 Receptors - correct answers--
Antiinflammatory
-Suppresses leukocyte function
-Decreased histamine
-Increased gastric acid production
-Smooth muscle relaxation


Prostaglandins - correct answers-A group of
lipids made at the site of tissue injury. They

,control inflammation, blood clot formation, and
blood flow.
-Stimulate nerve endings= Pain


Allergy: Type I IgE-Mediated Response - correct
answers--Immediate
-IgE
-Principal cells : Mast cells
-Ex: Seasonal allergic rhinitis, Hay fever


Mitochondria - correct answers-Powerhouse of
the cell, organelle that is the site of ATP
(energy) production


Endoplasmic Reticulum - correct answers-A cell
structure that forms a maze of passageways in
which proteins and other materials are carried
from one part of the cell to another.

, Peroxisome and Lysosome - correct answers--
Digestive enzymes
-Break down waste and foreign material


Allergy: Type II Tissue-Specific Response -
correct answers--Immediate
-IgG, IgM
-Principal Cells: Macrophages in tissues
-drug allergies/allergies against infectious
agents
-the antibody binds to the antigen on the cell
surface
- Ex: Graves disease, Autoimmune
thrombocytopenic purpura, ABO
incompatability