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Question 1

waldeyer’s ring

Answer 1

ring of lymphoid aggregation in subepithelial layer of oropharynx + nasopharynx

comprised of - tonsils, adenoids, ligual

Question 2

histological differences between tonsils + adenoids

Answer 2

tonsils = stratified squamous, deep crypts

adenoids = ciliated pseudostratified columnar, few crypts

Question 3

rule of salivary gland tumours

Answer 3

bigger gland more likely but benign

smaller, less common but bad

Question 4

benign tumours of salivary gland + their differences

Answer 4

pleomorphic adenoma = females, slow growing

Warthins tumour = males, assoc with smoking