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NPB 101L > Lab 1 Discussion Questions > Flashcards

Lab 1 Discussion Questions Flashcards

1
Q

What does it mean to calibrate an instrument?

A

Adjust the precision and accuracy of equipment to ensure the accuracy of results

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2
Q

Why is it important to calibrate equipment in a laboratory setting?

A
  • Allows you to get more consistent data
  • Helps you figure out the most accurate range of a piece of equipment
  • Helps make sure the equipment is working properly
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3
Q

What does a transducer do? How does it work?

A

Measures volts and uses known weight’s mass to create a linear relationship b/t tension and force

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4
Q

What is the function of the voltage dial on the stimulator? What happens to the diff types of data as you adjust this dial?

A

Changes the amplitude/height of the wave

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5
Q

What is the function of the duration dial on the stimulator? What happens to the diff types of data as you adjust this dial?

A

Changes the length of the wave

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6
Q

What is the function of the delay dial on the stimulator? What happens to the diff types of data as you adjust this dial?

A

Changes time b/t the stimulation and wave onset (wave moves R or L)

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7
Q

What is the function of the frequency dial on the stimulator? What happens to the diff types of data as you adjust this dial?

A

Changes time b/t individual stimulations (waves closer together)

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8
Q

Value tool in Biopac: definition, units, axis?

A

Click on a point –> gives y-value in grams at that point

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9
Q

Max tool in Biopac: definition, units, axis?

A

Highlight a range –> gives you max y-value w/in selected range

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10
Q

Min tool in Biopac: definition, units, axis?

A

Highlight a range –> gives the min y-value w/in range

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11
Q

Time tool in Biopac: definition, units, axis?

A

Click on a point –> x-value in secs at that point

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12
Q

Delta tool in Biopac: definition, units, axis?

A

Highlight a range –> gives diff b/t beginning and ending y-values in range

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13
Q

P-P tool in Biopac: definition, units, axis?

A

Highlight a range –> gives difference b/t highest and lowest y-values in range

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14
Q

Delta T tool in Biopac: definition, units, axis?

A

Highlight a range –> difference b/t beginning and ending x-values in range

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15
Q

Freq tool in Biopac: definition, units?

A

Highlight range –> calculates frequency (Hz) assuming highlighted range represents exactly 1 wave

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16
Q

BPM tool in Biopac: definition, units?

A

Highlight a range –> calculate bpm assuming highlighted range represents exactly 1 wave

17
Q

Mean tool in Biopac: definition, units, axis?

A

Highlight a range –> calculates the avg of all y values w/in the highlighted range

NPB 101L (13 decks)

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