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Human Phyisology Cuesta College Bio 205 > Unit 1 Lab > Flashcards

Unit 1 Lab Flashcards

(64 cards)

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1
Q

What is a light microscope

A
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2
Q

First thing to do when coming in the door?

A

Clean with cavicide

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3
Q

What are not allowed in the lab?

A

No food/drinks, no open toed shoes , clean with cavicide before and after lab, dispose as instructed, have instructor inspect before leaving

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4
Q

What are the 7 universal precaution for body fluids

A
  1. Wear gloves 2. Assume Everton is affected 3. Cover cuts 4. Wash hands 5. Clean up 6. Take out garbage 7. Wash clothes
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5
Q

This knob is always used first with the lowest objective

A

Coarse knob

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6
Q

This focus knob is used with higher objective

A

Fine focus knob

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7
Q

What is used to clean microscope

A

Lense paper

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8
Q

Define a solvent

A

A liquid added to a solution

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9
Q

Define molarity

A

A concentration of amount of moles

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10
Q

Define amniotic fluid

A

Fluid that surrounds a fetus

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11
Q

Define a electrolyte

A

Atoms of molecule with a electric charge

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12
Q

Define pleural fluid

A

Fluid between lungs

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13
Q

Define Plasma

A

Fluid in Red blood cells

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14
Q

Define electron

A

Has a negative charge

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15
Q

What is the movement of water through a membrane called

A

Osmosis

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16
Q

What is the passive movement of solutes called

A

Diffusion

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17
Q

What type of cells make up the bilateral of these molecules

A

Phospholipid

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18
Q

Whats it called for certain solutes to pass through a membrane

A

Semi-permeable membrane

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19
Q

How much does a mole contain in atoms or molecule

A

Mole = 6.022 x 10^ 23

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20
Q

Where is high concentration for inside of a cell?

A

Potassium

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21
Q

Higher concentration outside of cell?

A

Sodium, chloride, calcium

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22
Q

Define faculties diffusion

A

The channels open for an ion and there is a concentration gradient . Ion move through the channel by that procress

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23
Q

How much water makes up the body?

A

60-66%

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24
Q

What does the prefix hypo mean

A

Above

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25
What does the term natremia mean
Sodium, salt
26
Which organ is responsible for regulating water and sodium in blood
Kidneys
27
What is the technical term for swelling caused by the accumulation of fluid
Edema
28
What specific type of brain cell is primarily affected to hyponatremia
CSF , brain cells, brain stem & heria toon
29
Addition of water to body fluids will increase or decrease concentration of ions in the fluid compartments
Increase
30
Will drinking large volumes of fluid dilute or concentrate body fluid
Concentrate
31
What is the safe amount of water to be consumed each hour
800-1,000 per hour
32
How many cups per hour
3.38-4.23 cups per hour
33
What is axis is the dependent variable
Y axis
34
What axis is the inderpendent variable
X axis
35
Which variable is measured by the experimenter
Dependent
36
What type of protein moves certain substance from one side of the cell membrane to the other
Membrane transporter
37
What proteins turn genes off or on?
Regulatory proteins
38
What type of protein is secreted by one cell and binding to another. Served an important role in cell- to-cell communication
Signal molecules
39
What type of protein bind to signal molecules and begin the process that leads to a cellular response
Receptor molecules
40
What type of protein specifically attached a ligand and moves it from it from one location in the body to another
Binding proteins
41
What type of protein speeds up rate of chemical reactions
Enzymes
42
What was the substrate in the lab?
Startch
43
What was the enzyme in the lab
Amylase
44
What were the product in the lab
Maltose & maltoriose
45
What are modulators that decrease the activity of a protein are generally attached
Inhibitors
46
What are modulators that increase the activity of a protein called
Activators
47
Define solvent
Something that’s is being dissolved in it (water during water & salt )
48
Solute
The substance being dissolved (like salt when added to water)
49
What temperature was the highest for enzyme to work
30-40°
50
enzyme works best at what pH
7
51
Define ligands
When proteins bind to some sort of stuff to do their work. Involve ions or molecules
52
Define binding sites
Proteins have specific binding site also called active sites on their surface to physically interact with their ligands
53
Define substrate
When ligands that bind to and acted upon a enzyme or membrane transporter
54
What did color meant negative control
Startch was absent , orange
55
What color is Startch present
Black / blueb
56
Examples of extra cellular fluid
Plasma and interstitial fluid
57
What type of bonds can partially or completely unbind in water
Ionic
58
What bond do not break in water
Covalent. Need high heat or enzymes
59
What are some non polar solutes
Steroid hormones, fatty acids and no polar gases like 02, c02, NO
60
What small polar molecule has no net charge?
Water
61
What are some polar or charges solutes
Proteins, carbohydrates and ions such as chloride, potassium, sodium hydrogen
62
What are channels
Membrane transporter proteins that open on demand to allow specific ions to move in or out by proces of facilitated diffusion
63
Define facilitated diffusion
Passive Movment of molecules based on a concentration gradient
64
How much are % in assignment and exams
Unit exam :70 Lab :20% Homework :5 each

Human Phyisology Cuesta College Bio 205 (12 decks)

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