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DLE > Cellular transport > Flashcards

Cellular transport Flashcards

1
Q

Movement of molecules across the cell membrane without using ATP

A

Passive transport

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2
Q

-Aka passive diffusion
-Movement of solutes from a higher concentration gradient

A

Simple diffusion

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3
Q

-Aka carrier-mediated transport since it uses carrier proteins

A

Facilitated diffusion

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4
Q

-Movement of solvent across a semi-permeable membrane from low osmotic pressure to high osmotic pressure

A

Osmosis

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5
Q

Molecule that are dissolved

A

Solutes

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6
Q

Molecule that are dissolves

A

solvent

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7
Q

Determined by solutes dissolved in the solution

A

Osmotic pressure

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8
Q

-High concentration of solute
-Cells in hypertonic solution results to shrinkage

A

Hypertonic

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9
Q

-Low concentration of solute
-Cells in hypotonic solution results to cell bursting

A

Hypotonic

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10
Q

Solution has same solute concentration of the body cells

A

Isotonic

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11
Q

Example of Hypotonic

A

Distilled water

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12
Q

Example of isotonic

A

Nss, tears

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13
Q

Hypotonic/distilled water in surgery may cause?

A

Cellular injury

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14
Q

What is the most important protein that increases the osmotic pressure of the blood?

A

Albumin

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15
Q

Lack of albumin results in?

A

EDEMA

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16
Q

Decrease of protein results in?

A

EDEMA

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17
Q

Saliva in the oral cavity is hypertonic, hypotonic, or isotonic?

A

Hypotonic

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18
Q

initially saliva from acinar cells,
Hypertonic, hypotonic or isotonic?

A

Isotonic

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19
Q

Movement of molecules from low concentration gradient to high concentration gradient that uses ATP

A

Active transport

20
Q

Types of Passive Transport

A

Simple
Facilitated
Osmosis

21
Q

Reason why gas exchange happens

A

Simple diffusion

22
Q

Site of gas exchange

A

Alveoli

23
Q

Used in surgery to irrigate tissues

A

Nss 0.9% NaCl

24
Q

4 example of Active transport

A

NaK pump
Proton pump
Exocytosis
Endocytosis

25
Q

An example of an active transport that is used by the stomach to maintain its acidity

A

Proton pump

26
Q

Acidic pH of stomach

A

ph = 1-3

27
Q

meaning of “pH”

A

Power of hydrogen

28
Q

pH=7

A

Neutral

29
Q

pH= < 7

A

Acidic

30
Q

pH = > 7

A

Basic

31
Q

Normal pH of Blood

A

7.35-7.45 avg=7.4

32
Q

Cells in hypertonic soln results to

A

Shrinkage

33
Q

Cells on hypotonic soln results in

A

Bursting

34
Q

Blood has what type of pH

A

Weak base or slightly basic

35
Q

Type of medication used when px has hyperacidity

A

Proton pump inhibitors

36
Q

Most numerous ca+ion in ECF

A

Na+

37
Q

Least numerous ca+ion in ECF

A

K+

38
Q

Most numerous anion in ECF

A

Cl-

39
Q

Least numerous anion in ECF

A

HCO3-

40
Q

Least numerous ca+ion in ICF

A

Na+

41
Q

Most numerous ca+ion in ICF

A

K+

42
Q

Least numerous anion in ICF

A

Cl-

43
Q

Prevents sudden change in pH

A

Buffers

44
Q

Most impt buffer in the blood plasma

A

Bicarbonate HCO3-

45
Q

Most numerous anion in ICF

A

Phosphate PO4-

46
Q

2 buffers in the blood plasma

A

Bicarbonate HCO3-

Phosphate PO4-

DLE (8 decks)

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