heart ! ! !

Question 1

Systolic pressure

Answer 1

pressure in the arteries during ventricular contraction; top number of blood pressure

Question 2

Diastolic pressure

Answer 2

pressure in the arteries when ventricles are relaxed; bottom number of blood pressure

Question 3

what can you NOT use to measure blood and why?

Answer 3

Thumb
the artery in your thumb can make it harder to count accurately because it has its own pulse that you may feel.

Question 4

places to measure pulse

Answer 4

Temporal artery: On the temple in front of your ear.
Carotid artery: On either side of your neck.
Brachial artery: On your upper arm, near the elbow.
Radial and ulnar arteries: On your wrist.
Femoral artery: In the inner thigh.
Popliteal artery: Above the knee, located by holding a bent knee.

Question 5

what are the two different heart sounds?

Answer 5

The first sound is normally a single sound because bi and tricuspid valve closure occurs almost simultaneously.
The second heart sound represents closure of the semilunar aortic and pulmonary valves.

Question 6

When taking blood pressure, what does the first number mean? What does the second?

Answer 6

1st #: systolic blood pressure,
2nd #: diastolic blood pressure

Question 7

effects of high blood pressure

Answer 7

can lead to disability, a poor quality of life, or even a deadly heart attack or stroke.

Question 8

atherosclerosis

Answer 8

Fatty material (plaque) inside blood vessel; can contribute to heart attacks, strokes and aneurysms

Question 9

What is an average resting heart rate?

Answer 9

50-220 (resting 60-80)

Question 10

How high can a heart rate go before it can no longer sustain a beat?

Answer 10

220 minus your age

Question 11

What are the 5 types of blood vessels?

big to small too

Answer 11

arteries, veins, capillaries, arterioles, and venules.

(aorta) –> arteries, arterioles, capillaries, venules, veins –> (vena cava)

Question 12

Which are the largest? (category)

Answer 12

Arteries

Question 13

Which are the smallest? (category)

Answer 13

Capillaries

Question 14

Which is under the most pressure?

Answer 14

arteries because it has to pump blood to the entire body

Question 15

Which is under the least pressure?

Answer 15

veins because they have valves to prevent back flow, like a short rest before the next heart beat, so, less pressure on the veins.

Question 16

Which has the slowest blood flow?

Answer 16

Blood flow is slowest in the capillaries, which allows time for exchange of gases and nutrients.

Question 17

Which type of blood vessel flows the fastest?

Answer 17

arteries

Question 18

Which has the thickest “wall?”

Answer 18

arteries

Question 19

which type of blood vessel has valves to prevent backflow

Answer 19

veins

Question 20

What tissues make up the “wall” of blood vessels?

Answer 20

connective tissue

Question 21

what kind of muscle is the heart

Answer 21

cardiac muscle

Question 22

Which vessels usually contain oxygenated blood? What’s the exception?

Answer 22

arteries carry oxygen-rich blood. The exception is the pulmonary arteries (they carry deoxygenated blood to lungs).

Question 23

Which vessels usually contain deoxygenated blood? What’s the exception?

Answer 23

veins carry deoxygenated blood from the body to the heart, where it can be sent to the lungs. The exception is the network of pulmonary veins (they carry oxygenated blood from the lungs to the heart).

Question 24

fetal circulation

Answer 24

foramen ovalis and ductus arteriosus

Question 25

function of aorta

Answer 25

pushes oxygenated blood out of the ventricles to the systemic circuit

Question 26

fossa ovalis

Answer 26

a remnant of the foramen ovale, the fetal structure that links the right and left atria

Question 27

ligamentum arteriosum

Answer 27

a remnant of the ductus arteriosum, the fetal structure linking the aorta and pulmonary trunk

Question 28

arterioles

Answer 28

branch off arteries

Question 29

venules

Answer 29

combine to form veins

Question 30

capillaries

Answer 30

smallest blood vessels, often only one red blood cell thick

Question 31

coronary arteries

Answer 31

supply blood to the heart; when blocked, cause a heart attack

Question 32

cardiac veins

Answer 32

return blood from the heart muscle back to the heart; on the surface of the heart

Question 33

if this is blocked, it can cause a heart attack

Answer 33

coronary arteries

Question 34

cardiac cycle (one heart beat)

Answer 34

atria contract together, short pause, ventricles contract together, longer pause

Question 35

normal blood pressure

Answer 35

120/70

Question 36

pumlonary circut

Answer 36

heart to lungs and back

Question 37

systemic circuit

Answer 37

heart to blood vessels in body and back