Flashcards in Chapters 16&17 Deck (81)
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1
What is the name given to the neurons that monitor carbon dioxide leveled in the blood and are located in the carotid and aortic arteries?
Chemoreceptors
2
A (long, short) blood vessel with a (small, large) diameter would have the greatest resistance to blood flow.
Long
Small
3
Pulmonary circulation goes from the (right, left) (atrium, ventricle) to the (right, left) (atrium, ventricle)
Right ventricle
Left atrium
4
Which blood vessel(s) contain blood with the highest oxygen content?
Pulmonary veins
5
From which major blood vessel do all systemic blood vessels branch?
Aorta
6
Where is the cardiovascular center located?
Medulla
7
Which circulatory route brings blood to the tissues and back to the heart?
Systemic
8
Which circulatory path carries blood rich in substances absorbed from the gastrointestinal tract?
Hepatic portal
9
(Arteries, veins) (closest to, farthest from) the heat have the lowest blood pressure.
Vein, closet to
10
Vascular resistance is primarily to due which factor?
Fiction between blood-walls
11
When the left ventricle contracts, what term is given to the pressure in arteries that is generated?
Systolic
12
In fetal circulation p, which structure connects the fetal pulmonary trunk to the aorta, allowing much blood to bypass the lungs?
Ductus arteriosus
13
Stimulation of the ______ would cause the heart rate to decrease.
Vagus nerve
14
In the fetus, what is the opening that allows blood to pass directly from the right atrium to the left atrium?
Foramen ovale
15
With aging, cardiac muscle fibers ____ in size.
Decrease
16
Defenses of the body that are present at birth are referred to as _____ immunity
Innate
17
The fetal circulation differs from the adult circulation because of which organ system that is nonfunctional?
Respiratory
18
As blood passes from the superior and inferior vena cave to the lungs, it moves through the (right, left) (atrium, ventricle) to the (right, left) (atrium, ventricle) and out through the (pulmonary trunk, pulmonary veins).
Right atrium
Right ventricle
Pulmonary trunk
19
Carry blood away from the heart
Arteries
20
Vessels with high blood pressure
Arteries
21
Vessels with the fastest flow
Arteries
22
Vessels that exchange food and waste between blood and tissues
Capillaries
23
Vessels that return interstitial fluid to the bloodstream
Lymphatic vessels
24
Vessels with slowest blood flow
Capillaries
25
Vessels with thick muscle layer
Arteries
26
Vessels si very thin walls; only have a single layer of cells
Capillaries
27
Vessels with a very thin muscle layer
Veins
28
Vessels that exhibit a pulse
Arteries
29
Vessels that bring to almost every cell in the body
Capillaries
30
