Chapter 1 Flashcards

1
Q

absorption

A

passage of substances in body fluids

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2
Q

assimilation

A

changing absorbed substances in chemically different forms

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3
Q

3 parts of homeostasis

A

Receptor
Control center
Effector

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4
Q

Define receptor

A

Provides info about stimuli

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5
Q

Define control center

A

Tells what particular value should be (set point)

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6
Q

Define effector

A

Response that changes conditions in internal environment

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7
Q

Examples of homeostasis

A
Body temp
Hormones-hunger/leptin/grehlin
Blood pressure
Blood glucose
pH
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8
Q

2 types of control mechanisms

A

Negative

Positive

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9
Q

Define negative control mechanism

A

Correct set point
Reduce actions of effect
Causes opposite of bodily production

Most common examples

  • body temp
  • blood pressure
  • glucose regulation
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10
Q

Define positive control mechanism

A

Increase/acceleration actions of the body
Two examples
-child birth
-blood clotting
Short lived positive feedback
Controls only infrequent events and do not require continuous adjustments

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11
Q

Body planes

A

Sagittal/median
Transverse/horizontal
Coronal/frontal

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12
Q

Define anatomical position

A

standing up, facing forward, upper limbs at the side, palms facing forward, thumbs out

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