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Biomedical Physiology > 08/22/2017 > Flashcards

08/22/2017 Flashcards

1
Q

Definition of anatomy

A

Study of body structures

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2
Q

Definition of physiology

A

Study of body functions

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3
Q

Definition of function in terms of biomedical physiology

A

A mechanism required for survival

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4
Q

5 Living functions

A
  1. Metabolism
  2. Reproduction
  3. Movement
  4. Growth and development
  5. Responsiveness
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5
Q

Locomotion

A

Entire body moves

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6
Q

Exchange

A

Cells, ions, molecules move

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7
Q

What is the entire purpose of physiology?

A

To take action to keep body processes functioning

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8
Q

Miliue interniue

A

Internal environment

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9
Q

Father of physiology

A

Claude Bernard

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10
Q

American physiologist who coined the term “homeostasis”

A

Cannon

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11
Q

Homeostasis is a dynamic condition. What does this mean?

A

It is constantly changing and adjusting over time. No one set point is always constant.

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12
Q

Allostasis

A

Relates with the mechanisms dealing with change - focuses more on changing set points rather than getting to the set points themselves

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13
Q

Feedback systems

A

Cycle of events on which status of body is monitored, evaluated and changed

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14
Q

Three components of a feedback mechanism

A
  1. Receptor (input)
  2. Control center (integration)
  3. Effector (output)
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15
Q

Control Center

A

Obtains and evaluates data

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16
Q

Effector

A

Body structures that respond to enact change, or change to parameter. ENACTS FEEDBACK LOOP.

17
Q

Disorder

A

Moderate homeostatic imbalance

18
Q

Disease

A

More specific than disorder with a specific set of symptoms

19
Q

Symptoms

A

Subjective, not visible to observers

20
Q

Signs

A

Clinical measures

21
Q

Ex of symptom

A

Pain (must ask how much something hurts)

22
Q

Ex of sign

A

BP (Can’t just look at someone and know their BP)

23
Q

3 types of ECF

A
  1. Interstitial fluid
  2. Plasma
  3. Minor categories
24
Q

2 types of minor categories

A
  1. Transcellular fluid (eyeball fluid, etc.)

2. Lymph

25
Q

Urine and intestinal fluids are not accounted for in terms of volume. Why is this?

A

They are part of an open system, and therefore not considered a part of the body.

26
Q

Body is _____% water?

A

60%

27
Q

2/3 of body fluid is

A

ICF

28
Q

1/3 of body fluid is

A

ECF

29
Q

80% of ECF is _____

A

Interstitial fluid

30
Q

20% of ECF is _____

A

Plasma

31
Q

Dry weight procedure

A

Kill specimen, weigh it, burn (dehydrate) it, then weigh again to calculate new mass

32
Q

Dilution procedure

A

Inject known fluid into specimen, allow to settle to equilibrium, then remeasure the concentration to determine volume

Biomedical Physiology (20 decks)

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