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Principles of Bio Med > Parts of the heart > Flashcards

Parts of the heart Flashcards

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Biology 101 flashcards
1
Q

What are the four major blood vessels?

A

Aorta, pulmonary trunk, pulmonary veins, and vena cava

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2
Q

How do the chordae tendineae along with papillary muscles work together?

A

Hold the flaps of the valves in place

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3
Q

What is the biggest chamber of the heart?

A

The left ventricle

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4
Q

What do atrioventricular valves do?

A

Separate the atria from ventricles

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5
Q

What does bisecting a heart mean?

A

To separate the front and back of the heart

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6
Q

What is the job of the septum?

A

Keeps oxygenated blood separate from deoxygenated blood

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7
Q

What four valves are in a heart?

A

Tricuspid valve, mitral valve, pulmonary valve, and aortic valve

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8
Q

What do the chordae tendinae look like?

A

Small pieces of string

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9
Q

Where does blood enter the heart?

A

The right atrium

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10
Q

Describe the flow of the blood through the heart

A

Blood comes in through the right atrium, passes into the right ventricle, is pushed into the pulmonary arteries in the lungs where it becomes oxygenated. Then it goes into the left atrium, the left ventricle and into the bodies tissues through the aorta.

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11
Q

Parts/steps of an autopsy (8)

A

External exam, internal exam, view internal organs, remove the organs, remove the brain, exam the organs, return the organs, sew up the body

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12
Q

What are the five manners of death?

A

Natural, accidental, homicide, suicide, undetermined

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13
Q

What is a cause of death

A

The disease or injury that that produces the disruption in the body (heart attack, gunshot wound, poisoning)

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14
Q

What is a mechanism of death

A

The physiological thing that results in death (myocardial infarction, kidney failure, blood loss)

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15
Q

What is a forensic toxicologist

A

They deal with biological samples (urine, blood)

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16
Q

What is a forensic chemist

A

They analyze substances for chemicals

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17
Q

What does the parietal lobe do and where is it located

A

Sensory perception, management of taste, hearing, sight, touch, and smell. It is located in the upper back portion of the brain

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18
Q

What are the four lobes of the Brain?

A

Parietal, frontal, temporal, occipital

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19
Q

What does the temporal lobe do and where is it located?

A

Processing auditory information and is located in your temples

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20
Q

What does your occipital lobe do and where is it located

A

It is located in the back of your head and controls visual processing

21
Q

What is your frontal lobe do and where is it located

A

It is in the front part of your brain and controls management, planning, and social interaction.

22
Q

What is algor mortis

A

A way of determining TOD using body temp. It only works for the first 24 hours

23
Q

What is the Galister equation

A

98.4-temp/1.5= TOD

24
Q

What is rigor mortis

A

The stiffening of the body after death. It starts at 2-4 hours, fully sets in at 8-12 hours and releases at 48 hours when the body starts to decompose

25
Q

What is liver mortis (lividity)

A

The process of blood pooling. Bruising sets in at 8-12 hours

26
Q

What is eutymology

A

Bugs. Used to determine TOD after 48 hours

27
Q

What is the levels of matter in a human body

A

cells, tissues. organs, organs system

28
Q

What is a confirmatory test

A

A test that determines the exact substance

29
Q

what is a presumptive test

A

A quick test that tell if there are any substances present

30
Q

What are the four tissue types

A

epithelial, muscular, nervous, connective

31
Q

What are the three types of muscular tissues

A

cardiac, smooth, and skeletal

32
Q

What is a valve issue

A

When your valve is not sealed correctly and it backflows blood into your lungs

33
Q

What is a PFO

A

A septal defect or a whole in your heart also known as patent foramen ovale

34
Q

What is a CHF

A

Congestive heart failure is when your heart becomes thicker which leaves less room for oxygenated blood

35
Q

What causes a heart attack

A

A heart attack (myocardial infarction) is caused by a blocked coronary artery

36
Q

What is sepsis

A

Infectious bacteria in your blood stream

36
Q

What is Bacterial endocarditis?

A

Infection in your heart and bacteria in your valves

37
Q

What is a CTE

A

A chronic traumatic encephalopathy is a long term disease that is caused by repetitive blows to the head

38
Q

What is a TBI

A

A traumatic brain injury is when one event damages your brain

39
Q

What is nervous tissue

A

nerves, spinal cord, and brain are made of nervous tissues. Nervous tissue has an axon

40
Q

What is epithelial tissue

A

It is made of cells aligned in sheets and connected to one another

41
Q

What is muscle tissue

A

It can be striated, smooth, or cardiac. striated is attached to bones, smooth is on the walls of internal organs, and cardiac is on the wall of the heart. Muscle tissues have a striped appearance

42
Q

What is connective tissue

A

Connects other tissues. Connective tissue cells are dispersed and have many strands going in different directions

43
Q

What is the difference between the endocrine and the integumentary system

A

endocrine is the hormone system and integumentary is your outside covering of skin

44
Q

What two systems include your skin

A

integumentary and lymphatic/immune

45
Q

What is the CNS different from the PNS

A

The central nervous system is the brain and spinal cord and the peripheral nervous system is the nerves throughout the body connected to the CNS

46
Q

What is the right side of your heart referred to?

A

pulmonary

47
Q

What is the left side of your heart referred to?

A

systemic

Principles of Bio Med (6 decks)

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