Topography of Neck in Medicine and Surgery

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Questions and Answers

Which muscle is considered a superficial muscle of the neck?

Sternomastoid (correct)

Omohyoid

Digastric muscle

Longus colli

The pretracheal fascia surrounds the esophagus.

True

Name one of the triangles found in the superficial muscles of the neck.

Submental triangle

The ___________ gland is located in the neck region.

thyroid Signup and view all the answers

Match the following features of the neck with their descriptions:

Platysma = Superficial neck muscle Carotid sheath = Surrounds carotid arteries and jugular vein Digastric muscle = Suprahyoid muscle Inferior belly = Part of the omohyoid muscle Signup and view all the answers

Which structure is NOT typically associated with the carotid sheath?

Thyroid gland Signup and view all the answers

The sternomastoid muscle is located in the anterior triangle of the neck.

True Signup and view all the answers

What type of fascia surrounds the thyroid gland?

Pretracheal fascia Signup and view all the answers

The _ and _ form the two bellies of the digastric muscle.

anterior belly, posterior belly Signup and view all the answers

Which of the following is a function of the infrahyoid muscles?

Depressing the hyoid bone Signup and view all the answers

Which structure forms the boundary between the right and left nasal cavities?

Nasal septum Signup and view all the answers

The epiglottis is located between the oropharynx and the nasopharynx.

False Signup and view all the answers

What is the role of the cervical plexus?

Innervates structures in the neck and parts of the shoulder. Signup and view all the answers

The structure that forms the boundary between the nose and mouth is the ______.

hard palate Signup and view all the answers

Match the following structures with their functions:

Nasal septum = Divides the nasal cavities Uvula = Prevents food from entering the nasal cavity Eustachian tube = Connects the middle ear to the nasopharynx Epiglottis = Closes off the windpipe during swallowing Signup and view all the answers

Which plexus is responsible for innervation to the upper limb?

Brachial plexus Signup and view all the answers

The trachea is located above the C6 vertebra.

False Signup and view all the answers

Name the three sets of nasal conchae.

Superior, middle, and inferior conchae. Signup and view all the answers

The ______ is the section of the pharynx that lies behind the mouth.

oropharynx Signup and view all the answers

Match each part of the palate with its description:

Hard palate = Bony front part of the roof of the mouth Soft palate = Muscular back part of the roof of the mouth Uvula = Small projection hanging from the back of the soft palate Palate = Separates the oral cavity from the nasal cavity Signup and view all the answers

Study Notes

Course Details

Course: Field of Medicine, Medicine And Surgery Program
Topic: Topography of Neck
Date: 8/12/2024
Instructors: Hany Shawky and Usama Hussein

Lecture Objectives

Compartments and fascia of the neck
Organs of the neck

Neck Anatomy (Diagram Reference)

Superficial Muscles: Trapezius, Sternomastoid, Platysma, Digastric muscle, Omohyoid muscle
Investing Fascia: Covers superficial muscles
Subdivisions/Triangles: Submental, Digastric, Carotid, and Muscular triangles
Viscera (Organs): Thyroid gland, Trachea, Esophagus, surrounded by pretracheal fascia
Vessels: Internal jugular vein, Carotid arteries and vagus nerve (CN X) encased by the carotid sheath
Deep Muscles: Prevertebral, Scalene muscles (anterior, middle, posterior)

Sagittal Section (Diagram Reference)

Nasal Septum: Divides the nasal cavities
Palate (hard and soft)
Uvula: Part of the soft palate
Mouth and Tongue
Larynx
Trachea (below C6)
Pharynx (Nasopharynx, Oropharynx, Laryngopharynx)
Eustachian Tube
Tonsils (in oropharynx)
Epiglottis
Esophagus (below C6)
Nose & Nasal Sinuses (3 conchae, sphenoid sinus)

Deep Muscles

Medial (prevertebral): Longus Colli
Lateral (scalene): Anterior, Middle, Posterior
Posterior: Back muscles (four layers)

Nerves

Cervical Plexus (C1-C4)
Brachial Plexus (C5-T1) providing innervation to the upper limb.

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Description

This quiz focuses on the anatomy of the neck, including its compartments, fascia, and major organs. It covers the muscles, vessels, and subdivisions relevant to the topology of the neck. Ideal for students in the Medicine and Surgery program to test their understanding of this critical area.