week 1 Flashcards

1
Q

a dying state

A

moribund

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2
Q

condition in which the manifestations of life are feebly maintained

A

apparent death

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3
Q

body of a deceased person, including cremated remains

A

human remains

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4
Q

study of death

A

thanatology

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5
Q

death of the organism as a whole

A

somatic death

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6
Q

death of the individual cells of the body

A

cellular death

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7
Q

antemortem, physiological death of the cells of the body followed by their replacement

A

necrobiosis

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8
Q

pathological death of a tissue still a part of the living organism

A

necrosis

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9
Q

before death

A

antemortem

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10
Q
  1. period of time immediately before death
    - person is said to be “moribund” or in a dying state
    - time period is not a measured period of time and differs from person to person
A

agonal period

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11
Q

noise made by a moribund person caused by air passing through a residue of mucous in the trachea and posterior oral cavity

A

death rattle

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12
Q

semi convulsive twitches that often occur before death

A

death struggle

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13
Q

immediate stiffening of the muscles of a dead human body

A

cadaveric spasm (instantaneous rigor)

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14
Q

somatic death process (5)

A
  1. clinical death
  2. brain death
  3. biological death
  4. cellular death
  5. somatic death
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15
Q

death of the organism as a whole

A

somatic death

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16
Q

respiration and heartbeat stop irreversibly

A

clinical death

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17
Q

brain loses oxygen

A

brain death

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18
Q

organs stop functioning

A

biological death

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19
Q

individual cells die

A

cellular death

20
Q

antemortem changes ?

A
  1. changes that occur during agonal period
  2. effected by temperature, circulatory system, moisture level and microorganism
  3. length of atonal period contributes to the condition of the postmortem condition of the body
21
Q

decrease in body temperature immediately before death

-common when death occurs slowly

A

agonal algor

22
Q

increase in body temperature immediately before death

- common with infection, toxemia, and certain types of poisoning

A

agonal fever

23
Q

circulatory changes (3)

A
  1. agonal hypostasis
  2. agonal coagulation
  3. agonal capillary expainsion
24
Q

settling of blood into the dependent tissues

A

agonal hypostasis

25
Q

dilation of pores within the capillaries

A

agonal capillary expansion

26
Q

moisture changes (2)

A
  1. agonal edema

2. agonal dehydration

27
Q

escape of blood serum from an intravascular to extravascular location immediately before death
-result of diseases processes and capillary expansion

A

agonal edema

28
Q

loss of moisture immediately before death

A

agonal dehydration

29
Q

redistribution of endemic microflora on a host wide basis immediately before death
-based on organisms motility, ability to enter the blood stream and begin circulating throughout the body, and ability to gravitate to other parts of the body during hypostasis or shifts in moisture

A

agonal translocation

30
Q

gases in the tissues (2)

A
  1. antemortem subcutaneous emphysema

2. gas gangrene

31
Q

distention of the tissues beneath the skin by gas or air from a puncture or tear in the pleural sac or the lung tissue

A

antemortem subcutaneous emphysema

32
Q

antemortem form of gangrene, associated with anaerobic gas forming bacilli, most commonly, clostridium perfringens

A

gas gangrene

33
Q

therapeutic changes (4)

A
  1. chemotherapeutic agents
  2. blood thinners
  3. antibiotics
  4. vasodilators
34
Q

period that begins after somatic death

  • classificed as physical or chemical
  • conditions progress as time goes on
A

postmortem

35
Q

forces of nature that act on the body to alter the physical state of the body or tissues after death

(5)
- algor mortis
- hypostasis
- livor mortis
- dehydration
- increases of viscosity of blood
- translocation of microorganisms

A

postmortem physical changes

36
Q

postmortem cooling of the body to the ambient temperature

-rates of temp change is based on intrinsic or extrinsic factors

A

algor mortis

37
Q

intrinsic factors (4)

A
  1. surface area to body mass ration
  2. build
  3. antemortem temperature
  4. pathological conditions
38
Q

extrinsic factors (6)

A
  1. environment (temperature)
  2. coverings on the body
  3. pathological conditions
  4. pharmaceuticals
  5. controlled substances
  6. cause and manner of death
39
Q

process of blood and/or other fluids settling to the dependent portions of the body that can occur in the antemortem, agonal, or postmortem period

A

hypostasis

40
Q

areas where blood movement has been inhibited

-thinner blood flows with less resistance and settles in dependent areas more readily

A

contact pallor

41
Q

intravascular red/blue discoloration resulting from postmortem hypostasis of blood

  • appears 30-90 mins after death
  • can help determine amount of time between death and embalming
  • amount of blood present and viscosity of blood contribute to the intensity of _____
A

livor mortis (cadaveric lividity)

42
Q

loss of moisture from body tissue, which may occur antemortem or postmortem; removal of water from a substance

A

dehydration

43
Q

extreme dehydration often resulting in post embalming discolorations

  • surface evaporation
  • hypostasis of blood
A

desiccation

44
Q

swelling and softening of tissues and organs as a result of absorbing moisture from adjacent sources

A

imbibition

45
Q

thickness of a liquid

  • occurs b/c of dehydration
  • plasma moves through the capillary walls and into the tissues
  • remaining blood thickens and blood cells clump together
  • affects severity of livor mortis
A

viscosity

46
Q

increased viscosity of blood brought about by the clumping of particulate formed elements in the blood vessels

A

agglutination

47
Q
  • invasion of cerebrospinal fluid from gut microflora occurs within 4-6 hours of death
  • contributing factors include chemical and physical changes, movement and positional changes of the body, passive recirculation of blood that may be contaminated, thrombus fragmentation, motility of bacteria
A

translocation of microorganisms