Gastro 1 - Oropharynx Flashcards

1
Q

Where does the anterior 2/3 of the tongue derive from? Where does the sensation go to? Taste?

A

1st brachial arch. Sensation from CN V3 (mandibular). Taste from CN VII.

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2
Q

Where does the posterior 1/3 derive from? Where does sensation go to? Taste?

A

Derives from brachial arches 3 and 4. Sensation from CN IX. Taste from CN IX.

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3
Q

Where does the motor function of the tongue come from?

A

CN XII/

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4
Q

What are some causes of glossitis?

A

Vitamin B deficiency. Iron deficiency.

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5
Q

What is leukoplaquia?

A

Keratosis of mucous membrane of the mouth.

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6
Q

What are the three salivary glands?

A

Parotid gland (biggest, watery). Submandibular gland (thick). Sublingual gland (smallest).

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7
Q

What type of stimulation causes very thick secretion of saliva?

A

Sympathetic stimulation by Superior cervical ganglion. Leaders giving speeches drinking lots of water.

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8
Q

What type of stimulation causes very watery secretion of saliva?

A

Parasympathetic secretion by CNVII and CNIX.

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9
Q

What are the 5 branches of the facial nerve?

A

[Tim Zulu Bit My Chin] Temporal. Zygomatic. Buccal. Marginal mandibular. Cervical.

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10
Q

What is Xerostomia? What would most likely causes?

A

Very dry mouth. Caused by Sjogren, antihistmaines, anticholinergic drugs.

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11
Q

What is Sialolithiasis? What is the treatment?

A

Blockage of the salivary gland duct, causing acute pain and swelling, usually submandibular and Stensen’s duct. Have them suck on sour candy or have them chew gum.

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12
Q

What is Sialadenitis? What are the causative agents?

A

Inflammation of the salivary gland. Caused by Staph aureus, Viridans strep.

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13
Q

Which salivary gland is most commonly affect by tumor?

A

Parotid gland. If it is int he parotid gland, less than 30% that it is going to be malignant. If located in sublingual gland, more than 70% chance of malignancy.

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14
Q

What type of tumor is the most frequent benign salivary gland tumor? What is the second?

A

Pleomorphic adenoma: has both epithelial and mesenchymal cells. Risk: radiation exposure. Warthin’s tumor is the second.

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15
Q

What is the most common malignant tumor of the salivary gland (and the second most common tumor overall of the salivary gland)?

A

Mucoepidermoid carcinoma.

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16
Q

What is the cause of cleft lip?

A

Congenital failure of the maxillary and medial nasal processes to fuse.

17
Q

What is the cause of the cleft pallet?

A

Congenital failure of the lateral palatine processes and the nasal septum, and the median palatine processes to fuse together.

18
Q

What are the viruses that can cause the common cold?

A

Coronavirus. Rhinovirus. Adenovirus. Echovirus.

19
Q

Why does cocaine lead to perforation of the nasal mucosa?

A

It is a very potent vasoconstrictor that can cause ischemia.

20
Q

What are the four paranasal sinuses?

A

Frontal. Ethmoid. Sphenoid. Maxillary.