Quiz 4: Neck

The portion of the larynx seen on axial CT images that completely encircles the laryngopharynx is the thyroid.

One of the divided origins of a muscle is termed a head.

The muscle seen most anteriorly on axial CT images of the neck is the platysma.

Generally, muscles overlie the bone that they move.

Generally, the origin of a muscle is distal.

The trachea is approximately 10 in. (25.4 cm.) long.

The first laryngeal cartilage encountered on a series of axial CT images of the neck, arranged in descending order, is the epiglottis.

The last laryngeal cartilage encountered on a series of axial CT images of the neck, arranged in descending order, is the cuneiform.

Contrast is administered when acquiring axial CT images of the neck for localization purposes, not to obtain diagnostic information about the vessels.

The largest vessels in the region of the neck are usually the internal jugular veins.

The glands found lateral to the hyoid bone on axial CT images of the neck are the sublinguals.

Nine pieces of cartilage make up the larynx.

The laryngeal cartilage associated with the bifurcation of the pharynx into the trachea and esophagus is known as the cricoid.

The thyroid cartilage is seen at the level of the inferior mandible.

The larynx is approximately 1.5 in. (3.81 cm.) long.

The trachea is approximately 20 in. (50.8 cm.) long.

The larynx is approximately 4 in. (10.16 cm.) long.

The insertion of a muscle is fixed.

The largest vessels in the neck are usually the external jugular veins.

The outermost covering of an entire muscle is the A)perimysium. B)epimysium. C)endomysium. D)sarcolemma.

Contrast is administered when acquiring axial CT images of the neck A)for localization purposes. B)to obtain diagnostic information about the vessels. C)a and b D)Neither a nor b

The first portion of the cricoid cartilage to appear on axial CT images, arranged in descending order, is the A)anterior aspect. B)posterior aspect. C)lateral aspect. D)The entire cricoid cartilage appears at the same time.

Which portion of a muscle is fixed? A)Origin B)Insertion C)Neither a nor b D)Both a and b

The laryngeal cartilage associated with the bifurcation of the pharynx into the trachea and esophagus is the A)corniculate. B)epiglottis. C)thyroid cartilage. D)arytenoid. E)cricoid.

On axial CT images, which muscle of the neck is seen most posteriorly? A)Sternocleidomastoid B)Erector spinae C)Posterior scalene D)Longus capitis/longus colli

The largest piece of cartilage involved in forming the larynx is the A)epiglottis. B)cricoid. C)arytenoid. D)thyroid.

On axial CT images of the neck, the trachea appears A)hyperlucent. B)blunted posteriorly. C)opaque. D)a and b E)a and b

The inferior aspect of the epiglottis attaches to the A)thyroid cartilage. B)cricoid cartilage. C)hyoid bone. D)thyroid gland.

The pharynx A)is a passageway for air going to the trachea. B)is a passageway for food and liquid going to the esophagus. C)ends at the inferior cricoid. D)bifurcates into the trachea and esophagus. E)All of the above

When a skeletal muscle is in a relaxed state, a space exists between the A)thin myofilaments. B)thick myofilaments. C)a and b D)Neither a nor b

The arytenoids sit on top of the A)cuneiforms. B)thyroid cartilage. C)epiglottis. D)cricoid cartilage.

The piece of laryngeal cartilage forming the "Adam's apple" is the A)thyroid cartilage. B)epiglottis. C)cricoid cartilage. D)arytenoid. E)cuneiform.

Which piece(s) of laryngeal cartilage is/are the most difficult to detect on CT sectional images? A)Arytenoids B)Cuneiforms C)Thyroid D)Epiglottis E)Cricoid

The muscle of the neck that appears to move anteriorly as axial CT images descend is the A)scalene. B)platysma. C)SCM. D)longus capitis.

The bulky part of a muscle is the A)belly. B)tendon. C)insertion. D)origin.

Which laryngeal piece of cartilage is one of a pair? A)Epiglottis B)Thyroid C)Cuneiform D)Cricoid

The thyroid gland is visualized easily on CT sectional images of the neck because A)it is adjacent to the internal jugular vein, so it absorbs contrast that is administered intravenously. B)it is adjacent to the common carotid artery, so it absorbs contrast that is administered intravenously. C)its density is similar to cartilage. D)it naturally contains iodine.

The thyroid gland A)has a right and left lobe. B)is found anterior to the inferior larynx. C)requires iodine to function. D)appears hyperopaque on CT axial images. E)All of the above

The tracheal cartilage consists of pieces of cartilage adjacent to the trachea with the opening A)anterior. B)posterior. C)lateral. D)There are no openings in the tracheal cartilage.

Which vein directly drains the blood returning from the face and scalp? A)Internal jugular vein B)External jugular vein C)Internal carotid veins D)External carotid veins

The vocal cords attach anteriorly to the ____ and posteriorly to the ____. A)thyroid cartilage, arytenoids B)thyroid cartilage, cricoid cartilage C)cricoid cartilage, arytenoids D)cricoid cartilage, cuneiforms

The distal portion of the pharynx is the A)oropharynx. B)nasopharynx. C)laryngopharynx. D)None of the above

The hyoid bone is seen at the level of the A)mandible. B)clavicle. C)C7. D)cricoid cartilage.

Muscles acquire their names from their A)action. B)point of origin and insertion. C)location. D)number of heads. E)All of the above

The carotid arteries A)are medial to the SCM. B)are medial to veins. C)supply the face, scalp, and anterior and middle portions of the brain with oxygenated blood. D)All of the above

The muscle seen most anteriorly on axial CT images of the neck is the ____________________.

The approximate length of the larynx is ____________________.

The gland(s) found external to the hyoid bone on axial CT images of the neck is/are the ____________________.

One of the divided origins of a muscle is a(n) ____________________.

The largest piece of cartilage involved in forming the larynx is the ____________________.

The pharynx bifurcates into the ____________________ anteriorly, and the ____________________ posteriorly.

The portion of the larynx seen on CT axial images encircling the laryngopharynx is the ____________________.

A lay term for the larynx is the ____________________.

The first laryngeal cartilage encountered on a series of axial CT images of the neck, arranged in descending order, is the ____________________.

On axial CT images of the neck, the structure immediately posterior to the trachea is the ____________________.

The portion of a muscle that is fixed is the ____________________.

The length of the trachea is approximately ____________________.

The largest vessels in the neck are usually the _________________________.

The muscle of the neck that is seen most posteriorly on axial CT images is the ____________________.

The number of pieces of cartilage making up the larynx is ____________________.

The vocal cords attach anteriorly to the ____________________ and posteriorly to the ____________________.

Match each item with the correct term. a."striped" b.a thin muscle found in the anterior neck c.one of three pairs of salivary glands; found near the ear d.the outermost covering of a muscle e.ring-shaped -cricoid

Match each item with the correct term. a."striped" b.a thin muscle found in the anterior neck c.one of three pairs of salivary glands; found near the ear d.the outermost covering of a muscle e.ring-shaped -epimysium

Match each item with the correct term. a."striped" b.a thin muscle found in the anterior neck c.one of three pairs of salivary glands; found near the ear d.the outermost covering of a muscle e.ring-shaped -parotid

Match each item with the correct term. a."striped" b.a thin muscle found in the anterior neck c.one of three pairs of salivary glands; found near the ear d.the outermost covering of a muscle e.ring-shaped -platysma

Match each item with the correct term. a."striped" b.a thin muscle found in the anterior neck c.one of three pairs of salivary glands; found near the ear d.the outermost covering of a muscle e.ring-shaped -striated