Deck 32: Arterial Supply and Venous Drainage

Question 1

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

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

Answer 1

A
The ptygeroid branches of the maxillary artery supply the medial and lateral pterygoid muscles.The courses of the pterygoid branches vary.

Question 2

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.

Answer 2

A
Such infections may spread through the superior ophthalmic veins into the cavernous sinus,a venous sinus near the base of the brain.Left untreated in this location,the infection may stagnate,causing serious infection and/or death.

Question 3

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

Answer 3

A
The anterior superior alveolar artery (ASA),a branch of the infraorbital artery,supplies the maxillary anterior teeth after traveling into bone in front of the maxillary sinus.

Question 4

Each of the following statements is true of the maxillary artery EXCEPT one.Which one 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 teeth and muscles of mastication.
E) The maxillary artery enters the pterygopalatine fossa behind and below the eye.

Question 5

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

Question 6

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

Question 7

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

Question 8

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 9

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

Question 10

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

Question 11

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

Question 12

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

Question 13

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

Question 14

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

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

Question 15

From the aorta,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 statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.

Question 16

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

Question 17

Following a superior alveolar nerve block,a hematoma near 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 18

The facial artery is the blood supply for all of the following EXCEPT one.Which one 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 19

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 20

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

Question 21

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

Question 22

The pterygopalatine artery supplies the soft palate area.

Question 23

The external jugular vein empties into the subclavian vein.

Question 24

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

Question 25

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

Question 26

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 27

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

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

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

Which of the following accurately describe 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.