Vascular Histology
The physiological process involving the growth of new blood vessels from pre-existing vessels.
A) Vasculogeneis
B) Angiogenesis
C) Arteriogenesis
B) What is Angiogenesis
The de novo formation of blood vessels during embryogenesis
A) Vasodilation
B) Vasculogenesis
C) Neovasculorization
B) Vasculogenesis
Nerve like processes that arise from the bundle of branches that distribute the electrical excitation to the myocytes of the ventricles
A) Bundle of His
B) Purkinje Fibers
C) Right and Left Bundle Branches
B) Purkinje Fibers
This arrangement of veins that feed the liver and it allows the liver to examine the blood.
What is the Hepatic Portal System
The brachiocephalic artery courses upward and quickly branches into the
A) right subclavian artery and the verterbral artery
B) right subclavian artery and the axillary artery
C) right subclavian artery and the right common carotid artery.
What is
C) right subclavian artery and the right common carotid artery
These are tiny vessels lined by a single layer of endothelial cells.
A) Capillaries
B) Pericyte
C)Lumen
A) What are capillaries
Blood returns via superior and inferior vena cava and the coronary sinus
A) Veins
B)Arteries
A) Veins
This is the pacemaker of the heart. It initiates each heart beat and determines the heart rate.
A) Sinoatrial node
B) Atrioventricular Node
C) Atrioventrical Bundle
A) Sinoatrial Node
The splenic vein drains the
A) Spleen, large intestine and the stomach
B) Spleen, pancreas, small intestine
C) Spleen, stomach and the pancreas
What is
C) Spleen, stomach and the pancreas
The anterior intercostal arteries supply blood to the
A) pectoral muscles. intercostal arteries
B) mammary glands, intercostal arteries
C) intercostal muscles, pectoral muscles and the mammary glands
What is
C) intercostal muscles, pectoral muscles, and mammary glands
These are central blood-containing space surrounded by tunics.
A) Capillaries
B) Tunica interma
C) Lumen
C) What is lumen
These are specialized flat veins with extremely thin walls
A) Venous Sinuses
B) Postcapillary Venules
A) Venous Sinuses
The amount of blood that remains in the ventricles after ejection
A) End Diastolic Volume
B) End Systolic Volume
B) End Systolic Volume
The hepatic veins empty into the
A) Superior vena cava
B) Inferior Vena Cava
C) Lungs
What is
B) Inferior Vena Cava
The celiac artery quickly divides into three vessels
Name them
What are
common hepatic artery
splenic artery
left gastric artery
Tunica intima consists of
A) Circular smooth muscle
B) Single layer of endothelial cells
C) Collagen fibers that protect and reinforce vessels
B) what is endothelial cells
This is the percent of blood volume that is located in the veins and venules
A) 30%
B) 45%
C) 60%
What is C
60%
Acetylcholine
A) speeds up heart rate by increasing sodium
B) Slows heart rate by increasing calcium
C) slows heart rate by increasing potassium
What is
C) slows heart rate by increasing potassium
Each Brachiocephalic vein is joined by the union of these veins
A) axillary vein, left common carotid vein, brachial vein
B) subclavian vein, internal and external intercostal veins
C) subclavian vein, internal and external jugular vein
What is C
Subclavian vein, internal and external jugular vein
The common hepatic artery supplies blood to the
Name the 5 areas
stomach, pancreas, gall bladder, liver, duodenum
These capillaries are abundant in the skin and muscles.
A) Sinusoids
B) Continuous Capillaries
C) Fenestrated Capillaries
A) Continuous Capillaries
True or False
Veins have much higher blood pressure and thicker walls than arteries.
A) False
B) True
What is False
Veins have much lower blood pressure and are thinner walls than arteries
Norepinephrine stems from
A) Sympathetic Nervous System and accelerates pacemaker and increases heart rate
B) Parasympathetic Nervous System and decreases heart rate
What is
A) Sympathetic Nervous System and accelerates pacemaker and increases heart rate
The vertebral veins drain the
A) thoracic wall and the posterior skull
B) posterior skull and the cervical spinal cord
What is
B) Posterior skull and the cervical spinal cord
The anterior and the middle cerebral arteries are joined to the posterior cerebral arteries to form the
Circle of Willis/cerebral arterial circle