Arteries

Question 1

Supplies structures within a he neck, face, and scalp, and also supplies the maxilla and tongue.

Answer 1

External carotid artery

Question 2

It supplies the posterior two-fifths of the cerebrum, part of the cerebellum and brain stem.

Answer 2

Vertebrobasilar arteries

Question 3

Circle of Willis

Answer 3

Terminal part of internal carotid artery (L and R)
Anterior cerebral artery ( LR)
Middle cerebral artery (LR)
Posterior cerebral artery (branch of basilar artery -LR)
Anterior communicating artery
Posterior communicating artery

Question 4

Is a localized dilation of the internal carotid artery at its origin, the common carotid artery; “ sampling area” for maintaining blood pressure.

Answer 4

Carotid sinus

Question 5

Detects changes in the composition of arterial blood flowing through it, mainly the partial pressure of oxygen

Answer 5

Carotid body

Question 6

It measures changes in blood pressure and the composition of arterial blood flowing past it.

Answer 6

Aortic body

Question 7

A temporary loss of consciousness that sometimes accompanies convulsive seizures because of the intensity of the carotid sinus reflex when pressure builds in one or both carotid sinuses.

Answer 7

Carotid sinus syndrome

Question 8

One of the body’s homeostatic mechanisms for maintaining blood pressure. It provides a negative feedback loop…

Answer 8

Baroreflex

Question 9

Subsequent changes in blood pressure are mediated by

Answer 9

Autonomic nervous system

Question 10

What branch of internal carotid artery is most frequently implicated in a stroke?

Answer 10

Middle cerebral artery

Question 11

These arteries are often called the “arteries of stroke”

Answer 11

Lenticulostriate arteries

Question 12

A small blood vessel similar to capillaries but with a discontinuous endothelium. They are found in the liver, lymphoid tissue, endocrine organs and hematopoietic organs such as bone marrow and spleen.

Answer 12

Sinusoids

Question 13

The tunica media is made up of: (2)

Answer 13

Smooth muscles ; elastic fibers

Question 14

Are the smallest blood vessels responsible for exchange of substances between blood and interstitial fluid.

Answer 14

Capillaries

Question 15

Small blood vessels supplying blood to the tissues of the larger vessels

Answer 15

Vasa Vasorum

Question 16

Tunica media and adventitia are absent in what blood vessel type?

Answer 16

Capillaries

Question 17

The hepatic veins that drain the liver empty into the:

Answer 17

Inferior vena cava

Question 18

Are small veins that drain capillaries and deliver the blood to a vein.

Answer 18

Venules

Question 19

Blood supply of palatine tonsils:

Answer 19

Dorsal lingual artery
Ascending palatine artery
Tonsillar branch (facial artery)
Ascending pharyngeal artery
Lesser palatine artery

Question 20

What artery is found between the hypnosis and genioglossus muscles?

Answer 20

Lingual artery

Question 21

Branches of lingual artery

Answer 21

Suprahyoid
Dorsal lingual
Sublingual
Deep lingual

Question 22

Injection site for the IAN block is probed with a cotton tip applicator at the depth of the

Answer 22

Pterygomandibular space

Question 23

If the palatial mucosa opposite to the maxillary first molar was lacerated and bleeding occurred, what artery is most likely to be involved?

Answer 23

Greater palatine artery

Question 24

Examination of a patient with an ulcerative carcinoma of the posterior third of the tongue revealed bleeding from the lesion and difficulty swallowing (dysphagia). The bleeding was seen to be arterial; which of the following arteries was involved?

Answer 24

Dorsal lingual artery

Question 25

What arteries supply the greater curvature of the stomach?

Answer 25

Right gastroepiplopic, left gastroepiplopic and short gastric arteries

Question 26

The internal thoracic artery end in the sixt intercostal space by dividing into the:

Answer 26

Superior epigastric and musculophrenic arteries

Question 27

At what level does the abdominal aorta bifurcate into the common iliac arteries and also give rise to the middle sacral artery?

Answer 27

L4

Question 28

Is the main trunk of a series of vessels that convey the oxygenated blood to the tissues of the body for their nutrition.

Answer 28

Aorta

Question 29

Supplies head, neck and upper limbs

Answer 29

Aortic arch Brachiocephalic Left subclavian Left common carotid

Question 30

The blood supply of the mucosa of the nasal septum is derived mainly from the:

Answer 30

Maxillary artery

Question 31

The distal portion of the duodenum receives arterial supply form the inferior pancreaticoduodenal artery which branches from the:

Answer 31

Superior mesenteric artery

Question 32

Upper limbs are supplied by the

Answer 32

Subclavian arteries ( L and R)

Question 33

Head and neck are supplied by the

Answer 33

Right and left common carotid arteries

Question 34

Anterior branches of the external carotid artery:

Answer 34

Superior thyroid artery Lingual artery Facial artery Maxillary artery

Question 35

Posterior branches of the external carotid artery:

Answer 35

Ascending pharyngeal artery Occipital artery Posterior auricular artery Superficial temporal artery

Question 36

What is the major arterial origin supplying the mandibular anterior teeth?

Answer 36

Maxillary artery

Question 37

Normally arise off the side of the abdominal aorta, immediately below the superior mesenteric artery, and supply the kidneys with blood.

Answer 37

Renal arteries

Question 38

Real arteries branch into smaller arteries:

Answer 38

Interlobar arteries - arcuate arteries - interlobular arteries - afferent arterioles ( leading to nephrons )

Question 39

Urinary bladder is supplied by

Answer 39

Vesicular branches of the internalililac arteries

Question 40

The subscapular artery which supplies the subscapularis muscle branches off the:

Answer 40

3rd part of axillary artery

Question 41

The main blood supply to the brain stem and connects to the circle of Willis to potentially supply the rest of the brain if there is compromise to one of the carotids.

Answer 41

Basilar artery

Question 42

Vertebrals give rise to:

Answer 42

Posterior inferior cerebellar artery

Question 43

Basilar gives rise to:

Answer 43

Anterior inferior cerebellar artery and superior cerebellar artery