Deck 32: Arterial Supply and Venous Drainage

Question 1

The buccal gingiva of the posterior maxillary teeth is supplied by the infraorbital artery. This artery is a division of the maxillary artery.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Answer 1

B
The posterior superior alveolar artery, a division of the maxillary artery, supplies the buccal gingiva of the posterior maxillary teeth.

Question 2

The external jugular vein drains most of the facial area. Blood from the facial area passes out of the skull through the mental foramen.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Answer 2

D
The internal jugular vein drains most of the facial area as well as much of the brain area. Blood from these areas exits the skull through the jugular foramen.

Question 3

Blood from the brachiocephalic vein flows into the vena cava and into the

A) External jugular vein
B) Internal jugular
C) Superior vena cava
D) Heart

Answer 3

D
The brachiocephalic veins, formed by junctions of the external jugular, subclavian, and internal jugular, flow into the superior vena cava and on into the heart.

Question 4

Following a superior alveolar nerve block, a hematoma near the maxillary molars can occur because the buccal artery is very close to the maxillary tuberosity.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct, but the reason is NOT correct.
D) The statement is NOT correct, but the reason is correct.
E) NEITHER the statement NOR the reason is correct.

Question 5

The retromandibular vein connects the internal and external jugular veins. Sometimes a branch of the retromandibular vein is missing, which will affect the size of the jugular vein.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 6

The external carotid artery has numerous branches that supply the head and neck area with blood. The ascending pharyngeal artery is a branch within the anterior branch.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 7

The common carotid artery runs within the carotid sheath along with the internal jugular vein. The vagus nerve lies immediately beneath the carotid sheath.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 8

The maxillary artery has branches that supply all of the maxillary and mandibular teeth. It also supplies the tongue and floor of the mouth.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 9

The maxillary anterior teeth are supplied by which branch of the maxillary artery?

A) Anterior superior alveolar
B) Posterior superior alveolar
C) Descending palatine
D) Pterygopalatine
E) None of the above

Question 10

From the aorta, the blood flows through the thorax. In the thorax the aorta ends as common paired iliac arteries.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 11

The medial and lateral pterygoid muscles are supplied by which artery?

A) Maxillary
B) Facial
C) Lingual
D) None of the above

Question 12

The facial artery is the blood supply for all of the following EXCEPT one. Which is the EXCEPTION?

A) Muscles of facial expression
B) Upper and lower lips
C) Skin of facial expression
D) Sides of the nose
E) Oral and nasal cavities

Question 13

The superficial temporal vein and the mandibular vein form the retromandibular vein. The retromandibular vein divides into an inferior and a superior retromandibular vein.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 14

The lingual and the facial arteries

A) Supply the tongue
B) Travel the same path, parallel to each other
C) Often join together before branching separately
D) Supply labial gingival of mandibular teeth

Question 15

A pressure point on the mandible for control of facial bleeding is located

A) Where the lingual artery and vein cross the inferior border of the mandible
B) Where the facial artery and vein cross the inferior border of the mandible
C) Between the mental artery and retromandibular vein
D) At the linguofacial trunk

Question 16

Each of the following structures is supplied by branches of the internal carotid artery EXCEPT one. Which is the EXCEPTION?

A) Eyes
B) Brain
C) Coverings of the brain
D) Cheek

Question 17

The common carotid artery divides into the external and internal arteries. The division occurs at the hyoid bone.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 18

The pterygopalatine artery supplies most of the nasal cavity. At the sphenopalatine foramen it emerges as the nasopalatine artery to anastomose with the greater palatine artery.

A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question 19

Each of the following statements is true of the maxillary artery EXCEPT one. Which is the EXCEPTION?

A) It is a terminal branch of the external carotid artery.
B) It diverges from the external carotid at the level of the neck of the condyle.
C) The maxillary artery has about 5 branches.
D) This artery supplies the teeth and muscles of mastication.
E) The maxillary artery enters the pterygopalatine fossa behind and below the eye.

Question 20

An untreated infection at the bridge of the nose may cause serious damage because such infections can spread into a venous sinus near the base of the brain.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct, but the reason is NOT correct.
D) The statement is NOT correct, but the reason is correct.
E) NEITHER the statement NOR the reason is correct.

Question 21

Which of the following are characteristics of a hematoma (select all that apply)?

A) Superficial bleeding on skin
B) Bruising
C) Swelling
D) Throbbing, severe pain
E) Discoloration

Question 22

Which branch of the retromandibular vein may be missing (select all that apply)?

A) Anterior
B) Posterior
C) Superior
D) Inferior

Question 23

The pterygopalatine artery supplies the soft palate area.

Question 24

The blood supply to the tongue comes from the lingual artery.

Question 25

Which of the following accurately describes the common carotid artery (select all that apply)?

A) The common carotid artery runs within the carotid sheath.
B) The common carotid runs with the vagus nerve and the internal jugular vein.
C) The common carotid lies lateral to the sternothyroid muscle.
D) At about the level of the thyroid the common carotid artery divides.
E) The common carotid artery divides into the external carotid and the internal carotid.

Question 26

The right atrioventricular valve is also known as the tricuspid valve.

Question 27

The inferior alveolar artery is a branch of the maxillary artery.

Question 28

Which of the following correctly describe venous drainage from the external jugular veins (select all that apply)?

A) The external jugular veins empty into the subclavian veins.
B) The subclavian veins are in the neck.
C) The brachiocephalic veins flow into the superior vena cava.
D) From the superior vena cava blood flows into the heart.

Question 29

The external jugular vein empties into the subclavian vein.