Questions with Complete A+ Graded Answers
what 3 things makes up the vascular system?
1. arterial blood supply
2. capillary network
3. venous drainage
what is the vascular plexus?
its a large network of blood vessels in the system
where in the body are important venous plexuses located?
head and neck
define anastomosis
a channel that connects blood vessels to communicate
what are arteries?
carries blood AWAY from the heart
start as a LARGE vessel, then branches into smaller vessels
artery-->arteriole-->capillaries (true or false)
true
pathways of venous blood vessels mainly parallel the _______________ vessels
pathways of venous blood vessels mainly parallel the LYMPHATIC vessels
these blood vessels may spread cancer from a neoplasm distant site, at a faster rate than the
lymphatic vessels
arteries supply the structures in the __________ and veins receive blood from ________
________________
arteries supply the structures in the VICINITY and veins receive blood from NEARBY
STRUCTURES
what are the 2 major arteries in the head and neck? what is the origin?
1. common carotid artery
2. subclavian artery
-from HEART to head and neck (depending on the side of the body)
, on the left side, where does the common carotid and subclavian arteries arise from?
the aorta
on the right side, where does the common carotid and subclavian arteries arise from?
the brachiocephalic artery (this artery is a direct branch off of the aorta)
the common carotid artery is BRANCHLESS (true or false)
true
what does the common carotid artery supply specifically?
its the major artery that supplies the BRAIN
where does the common carotid artery travel along?
travels superiorly/laterally along the neck to both the TRACHEA and LARYNX on its way to the
SUPERIOR BORDER of the THYROID CARTILAGE
what does the common carotid artery travel in?
travels in the CAROTID SHEATH
what 3 components does the common carotid artery contain?
1. internal jugular vein
2. cranial nerve X (vagus)
3. internal carotid artery
how does the common carotid artery end?
ends by dividing into the INTERNAL and EXTERNAL carotid arteries
what is the carotid sinus?
its the swelling portion prior to division of the carotid artery
what is the most reliable arterial pulse in the body?
the CAROTID pulse (on neck)
where is the subclavian artery located?
LATERAL to the common carotid artery
where is the major destination of the subclavian artery?
in the UPPER EXTREMITY (upper arm)