Homeostasis And Membrane Transport Flashcards

1
Q

Physiology focuses on

A

Mechanisms of action

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2
Q

Homeostatis

A

Maintenance of an internal stable enviroment

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3
Q

Two controls of homeostatic systems

A

Intrinsic

Extrinsic

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4
Q

Examples of positive and negative feedbacks

A

Positive/ blood clotting

Negative temperature regulation

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5
Q

Composition of protein

A

18%

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6
Q

Composition of mineral

A

7%

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7
Q

Composition of fat

A

15%

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8
Q

Composition of water

A

60%

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9
Q

Cytosol in

A

Intracellular fluid

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10
Q

ICF volume

A

28

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11
Q

ECF volume

A

14 litre

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12
Q

ECF of Na

A

142

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13
Q

ICF of Na

A

10

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14
Q

ECF of K

A

4

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15
Q

ICF of K

A

140

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16
Q

ECF of Cl

A

103

17
Q

ICF of Cl

A

4

18
Q

Does osmosis require energy

A

No

19
Q

What is osmosis

A

Net movement of molecules from higher to lower concentration

20
Q

Features of facilitated diffusion

A

Specificity
saturation
competition
Does not require energy

21
Q

Example of facilitated diffusion

A

Glucose transport

22
Q

Diffusion comes under

A

Passive transport

23
Q

Active transport needs

A

Energy

24
Q

Active Transport occurs against

A

Concentration gradient

25
Q

Do homeostatic control system

A

Intrinsic and extrinsic

26
Q

Example of positive feedback

A

Blood clotting

27
Q

An adult male what is the percentage of protein

A

18%

28
Q

Total volume of body water

A

42 litre

29
Q

Volume of Intracellular fluid

A

28 liter

30
Q

Mediated transport also called as

A

Facilitated diffusion

31
Q

Lower solute concentration to higher solute concentration in

A

Osmosis

32
Q

Active transport also known as

A

Uphill transport

33
Q

Transporter of primary active transport

A

ATPase

34
Q

Which transport you secondhand energy

A

Secondary active transport

35
Q

In which transport energy is not directly used

A

Secondary active transport