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Anatomy: Head and Neck Quiz

Quiz generated from Anatomy: Head and Neck

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Question 1

Which set of structures forms the boundaries of the posterior triangle of the neck?

Posterior border of the sternocleidomastoid, superior border of the trapezius, and middle one third of the clavicle
Anterior border of the sternocleidomastoid, median plane of the neck, and inferior border of the mandible
Superior belly of the omohyoid, anterior border of the sternocleidomastoid, and posterior belly of the digastric
Inferior border of the mandible, anterior belly of the digastric, and posterior belly of the digastric

Question 2

A cutaneous nerve crosses the superficial aspect of the sternocleidomastoid and supplies the skin over the parotid gland, the lower part of the ear, and the region from the angle of the mandible to the mastoid process. Which nerve is it?

Greater auricular nerve
Lesser occipital nerve
Transverse cervical nerve
Supraclavicular nerve

Question 3

The external jugular vein is formed by the union of which two veins?

The retromandibular vein and the posterior auricular vein
The retromandibular vein and the facial vein
The posterior auricular vein and the occipital vein
The internal jugular vein and the subclavian vein

Question 4

Which group of muscles is innervated by the ansa cervicalis?

Sternohyoid, omohyoid, and sternothyroid
Sternohyoid, sternothyroid, and thyrohyoid
Omohyoid, thyrohyoid, and cricothyroid
Anterior belly of the digastric, posterior belly of the digastric, and stylohyoid

Question 5

The anterior belly of the digastric muscle is innervated by the nerve to mylohyoid, which is a branch of which nerve?

The mandibular division of the trigeminal nerve (V3)
The facial nerve
The hypoglossal nerve
The maxillary division of the trigeminal nerve (V2)

Question 6

Which of the following lists the contents of the carotid sheath?

Common carotid artery, internal carotid artery, internal jugular vein, and vagus nerve
Common carotid artery, external jugular vein, hypoglossal nerve, and vagus nerve
Internal carotid artery, internal jugular vein, spinal accessory nerve, and phrenic nerve
Common carotid artery, internal jugular vein, ansa cervicalis, and hypoglossal nerve

Question 7

Which muscle is innervated by the external laryngeal nerve?

Cricothyroid
Thyrohyoid
Sternothyroid
Sternohyoid

Question 8

Where is the opening made for a tracheotomy?

In the midline between the infrahyoid muscles
Immediately lateral to the midline, through the sternohyoid muscle
In the posterior triangle, between the trapezius and the sternocleidomastoid
In the submandibular triangle, deep to the mylohyoid muscle

Question 9

The platysma is innervated by the cervical branch of the facial nerve.

True
False

Question 10

The left recurrent laryngeal nerve wraps around the right subclavian artery.

True
False

Question 11

The accessory nerve exits the skull through the ______.

Fill in the blank

Question 12

Which infrahyoid muscle elevates the larynx?

Thyrohyoid
Sternohyoid
Sternothyroid
Omohyoid

Question 13

Which artery is a rare variant that enters the thyroid gland from below, near the midline?

Thyroid ima artery
Superior thyroid artery
Inferior thyroid artery
Transverse cervical artery

Question 14

What is the most common origin of the thyroid ima artery?

Brachiocephalic trunk
Left internal jugular vein
Inferior thyroid artery
Superior thyroid artery

Question 15

The thyroid ima artery usually arises from the inferior thyroid artery.

True
False

Question 16

Why can cutting the thyroid ima artery during surgery cause major bleeding?

It is a small artery that arises from large vessels
It is the largest artery supplying the thyroid gland
It drains directly into the thoracic duct
It supplies the parathyroid glands exclusively

Question 17

The ______ passes immediately posterior to the lobe of the thyroid gland, in the groove between the trachea and the esophagus.

Fill in the blank

Question 18

Which two veins unite to form the brachiocephalic vein?

Subclavian vein and internal jugular vein
Subclavian vein and external jugular vein
Internal jugular vein and external jugular vein
Subclavian vein and vertebral vein

Question 19

The left subclavian artery arises from the brachiocephalic trunk.

True
False

Question 20

The second part of the subclavian artery is located where?

Posterior to the anterior scalene muscle
Between the lateral border of the anterior scalene muscle and the lateral border of the first rib
From the origin of the artery to the medial border of the anterior scalene muscle
Posterior to the esophagus at the superior thoracic aperture

Question 21

The first part of the subclavian artery extends from its origin to the medial border of the ______ muscle.

Fill in the blank

Question 22

Which trunk arises from the posterior aspect of the subclavian artery in its second part?

Costocervical trunk
Dorsal scapular artery
Internal thoracic artery
Supreme intercostal vein

Question 23

In about 30% of people, the dorsal scapular artery arises from the transverse cervical artery rather than the subclavian artery.

True
False

Question 24

Near which venous junction does the thoracic duct end?

The junction of the left subclavian vein and the left internal jugular vein
The junction of the right subclavian vein and the right internal jugular vein
The junction of the left subclavian vein and the left external jugular vein
The junction of the left internal jugular vein and the left external jugular vein

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