Ch 17 Nose Mouth Throat Flashcards
sinuses drain into ___ meatus
tears from nasolacrimal duct drain into ____ meatus
sinus: middle
tears: inferior
only ____ and _____ sinuses are present at birth
maxillary and ethmoid
_______ sinuses reach full size after all permanent teeth have erupted
maxillary
_______ sinuses are absent at birth, reach full size after ________
Frontal
puberty
Parotid gland duct (stensen’s): opens at _______
Submandibular gland duct (wharton’s): opens at ____
Sublingual gland: opens at ______
Parotid: opposite second molar
Submandibular: floor of mouth, both sides of frenulum
Sublingual: many small openings along sublingual fold under tongue
Epistaxis lasting longer than ____ min require urgent intervention
20 min
-life-threatening HTN, bleeding disorder, skull fracture
Any oral lesion or ulcer persisting for >_____(time) must be investigated
2 weeks
*especially check under tongue (most likely to have oral malignancies)
Koplik’s spots are early prodromal sign of ____
measles
Rise of uvula and soft palate is function of CN ____
CN X (vagus nerve)
Gag reflex is test of CN ___ and ____
CN IX and X (glossopharyngeal and vagus)
Leukoplakia is white patch that is ______
Caused by ______
firm, cannot be scraped off
caused by chronic irritation
risk factors: heavy ETOH and smoking
lesion is PRECANCEROUS
Atrophic glossitis
-common occurs in these 3 conditions
signs and symptoms:
- vit B12 deficiency
- folic acid deficiency
- iron deficiency
burning sensation, ,dry tongue
surface of tongue is smooth and red
Oral kaposi’s sarcoma
symptom:
significance?
- bruiselike dark red/violent confluent macule to hard palate/soft palate/gingival margin
- one of earliest lesions to develop with AIDS