Lab Questions

Question 1

Boundaries of the pharynx

Answer 1

Nasopharynx: adenoids to soft palate
Oropharynx: Soft palate to hyoid
Laryngopharynx: Hyoid to esophageal inlet

Question 2

Dangers of mastoiditis

Answer 2

Erodes bone to dura and spreads to CN7, temporal lobe, sigmoid sinus, meningitis

Question 3

Phrenic nerve location in relation to vagus nerve

Answer 3

neck - phrenic nerve more medial and vagus more lateral

thorax- phrenic nerve more lateral and vagus more medial.

Question 4

Thyroid and Cricoid cartilage locations

Answer 4

Thyroid cartilage: C4-C5

Cricoid cartilage: C6-C7

Question 5

Anatomic relationships of the trachea

Answer 5

Cricoid cartilage: caudal
Esophagus: anterior
Thyroid gland: posterior

Question 6

Anatomic relationships of the thyroid gland

Answer 6

Trachea: anterior

Common carotid aa: medial

Question 7

Left lung neoplasms

Answer 7

Left lower lobe crosses over to Right Superior tracheobronchial lymph nodes. Therefore, a left neoplastic can metastasize quicker because it has easier access to the other side