Match Each Vascular Structure to Its Function or Characteristic

question 58

Multiple Choice

Match each vascular structure to its function or characteristic. Terms may apply to more than one question. Some terms may not be used.
a.arteries
i.sinusoids
b.tunica externa
j.tunica media
c.capillaries
k.capacitance vessels
d.tunica intima
l.distributing arteries
e.lumen
m.conducting arteries
f.resistance vessels
n.metarterioles
g.medium-sized veins
o.large veins
h.venules
p.arterioles
-How are capillaries organized?

• A) Each arteriole narrows until it becomes a capillary, after which it increases in diameter to become a venule.
• B) Capillaries are organized according to the needs of the tissue; some tissues have large capillary networks because they require rapid exchange of nutrients, chemicals, or gases, whereas other areas have no capillaries because arterioles supply sufficient amounts of blood.
• C) Capillaries branch off of arterioles to form a bed, or network, of many capillaries.
• D) Capillaries branch into sinusoids where the exchange of nutrients and gases takes place.

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Definitions:

Sustained Attention

The ability to maintain focus on a specific task or activity over a prolonged period of time without becoming distracted.

Cerebral Cortex

The outer layer of the brain's cerebrum, involved in complex brain functions like thinking, decision-making, and language.

Corpus Callosum

The thick bundle of nerve fibers that connects the hemispheres of the brain.

Myelination

The process of forming a myelin sheath around the nerves in the brain and spinal cord, which improves the speed and efficiency of electrical signal transmission.