pnb 2265 - lab practical 1 University of Connecticut PNB 2265 Questions with 100% Verified Answers Latest Update

pnb 2265 - lab practical 1 University of Connecticut PNB 2265 Questions
with 100% Verified Answers Latest Update

Question: Answer:
eosinophil histology - white blood cell subtype
- bilobed nucleus
- large red granules
- parasite defense
- involved in allergens and asthma




Question: Answer:
neutrophil histology - white blood cell (most abundant)
- multi-lobed nucleus (3-5 lobes)
- pale cytoplasm
- fine granules
- first responders to bacterial infection
- phagocytic




Question: Answer:
lymphocyte histology - white blood cell subtype
- large, round dark nucleus
- thin rim of cytoplasm
- adaptive immunity
- B cells, T cells and NK cells

,Question: Answer:
erythrocyte histology - biconcave disc shape
- no nucleus
- contain hemoglobin
- transport O2 and CO2
- most abundant blood cell




Question: Answer:
Platelets (thrombocytes) - cell fragments
- no nucleus
- small, purple-staining
- essential for clotting
- form platelet plug




Question: Answer:
normal blood - uniform biconcave RBCs
- occasional WBCs
- scattered platelets
- clear central pallor in RBCs

, Question: Answer:
sickle cell anemia - crescent/sickle-shaped RBCs
- caused by abnormal hemoglobin
- cells rigid and fragile
- can block capillaries
- hereditary disease




Question: Answer:
infectious mononucleosis - increased lymphocyte and monocyte production
- Atypical (large) lymphocytes --> blue coating, sticky like
- viral infection (often EBV)




Question: Answer:
Polycythemia - excess RBCs
- blood appears very dense
- increased blood viscosity
- higher clot risk