Unit A - Studying People Scientifically Flashcards

1: Solving Problems: Save Fred 2: The Pellagra Story 3: Testing Medicines: A Clinical Trial 4: Testing Medicines Scientifcally 5: Can You Feel the Difference 6: Finding the Nerve 7: Studying People Qualitatively and Quantitatively 8: Data Toss 9: Sick Day 10: Evaluating Clinical Trials

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1
Q

What problems do we solve everyday?

A

What to wear/eat, etc.

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2
Q

What can you do to solve a problem?

A
  • develop a plan
  • find a pattern
  • draw a picture or a diagram
  • act out the problem
  • make a list
  • guess and test
  • work backward
  • write an equation
  • construct a table or graph
  • simplify the problem
  • use objects to model the problem
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3
Q

Do scientists in the same field frequently use the same methods?

A

YES!!

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4
Q

How many out of the 11 prisoners experimented on developed Pellagra from being fed poorly?

A

7/11

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5
Q

What is a clinical trial?

A

Products such as medicines are tested by volunteers before they are made available to the public. These tests are known as clinical trials

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6
Q

Why is a placebo group included in the trial?

A

To see if the medicine actually works.

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7
Q

Do side effects occur from medicine?

A

YES!

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8
Q

What does FDA stand for?

A

Food and Drug Administration

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9
Q

What does the FDA do?

A

Approves medicine proven to be safe and effective

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10
Q

What must medicines do to be approved by the FDA?

A

Must undergo and pass many scientific tests

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11
Q

New medicine is usually first tested on–

A

Animals

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12
Q

What must the result of a clinical trial show for a medicine to be approved?

A

It is both safe and effective for the public

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13
Q

How are volunteers chosen for clinical trials?

A

Carefully; must not be allergic, cannot be taking any other medications

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14
Q

What do the volunteers sign?

A

An Informed Consent form

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15
Q

What does the Informed Consent form do?

A

That they have acknowledged the effects and possible outcomes and agree to test it

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16
Q

The volunteers are divided into how many groups?

A

Two

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17
Q

One group receives the ______________ while the other receives a __________w___

A

actual medicine; placebo

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18
Q

What does the placebo medicine contain?

A

An inactive ingredient like sugar

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19
Q

What does the placebo do?

A

Proves that the medicine is actually working

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20
Q

What is one explanation for why the placebo effect works?

A

People who continuously get clinical treatment are more likely to report feeling better, even if nothing is done because they will likely watch their diet and exercise more

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21
Q

Does the placebo always do its job? Provide an example.

A

No, some scientists argue vitamin c helps, others say it is all a placebo

22
Q

Useful science experiments are often designed to test how many variables?

A

One

23
Q

What does the nervous system include?

A

The brain, spinal cord, and nerves

24
Q

What are nerves made out of?

A

Nerve cells/neurons

25
Q

Nerves that sense sensory information are called:

A

Sensory neurons

26
Q

Sense receptors are located where?

A

At the end of sensory neurons

27
Q

Where do you have sense receptors? Why? (taste)

A

In the mouth and tongue to sense chemical input and allow you to taste and smell

28
Q

Where do you have sense receptors? Why? (qualities)

A

In your hands to allow you to feel the qualities

29
Q

Nerves in the spinal cord and brain are called–

A

Interneurons

30
Q

What do interneurons do?

A

Analyze all the information from sensory neurons

31
Q

What do motor neurons do?

A

Send signals to your muscles that allow you to move

32
Q

What do motor neurons control?

A

Reflexes

33
Q

What does “inter” mean?

A

(in) between

34
Q

Is breathing, blinking, and swallowing food completely involuntary?

A

Yes, you don’t even think about it.

35
Q

How much does your brain weigh?

A

About three pounds

36
Q

What does your brain do?

A

• processes information from the world around you through your senses
• controls and coordinates all of your movements
• controls basic life processes such as body temperature, blood pressure,
heart rate and breathing
• stores sensory inputs for a long time as memories
• allows you to think, reason, dream, and experience emotions

37
Q

The largest wrinkled part of the brain is called the–

A

Cerebrum

38
Q

What are the two smaller parts of the brain?

A

Cerebellum and Brain Stem

39
Q

What does the cerebellum do?

A

Controls movement, posture, and balance

40
Q

What is braille?

A

A language for blind people that is just raised dots

41
Q

What is a hypothesis?

A

An explanation based on observed facts or on an idea

of how things work

42
Q

To make sure they don’t influence results, scientists studying ______ often do not predict the possible results of their experiments.

A

people

43
Q

Is a hypothesis the same as a guess?

A

No

44
Q

Scientists account for individual differences by having a large ______ ____

A

sample size

45
Q

What are some examples of qualitative data?

A

Is it comfortable? What color is it? Texture?

46
Q

What are some examples of quantitative data?

A

Weight? Height? Length?

47
Q

How do you establish a range?

A

Data is collected from many trials and the range is made

48
Q

Is herbal tea/medicine evaluated by the FDA?

A

NO!

49
Q

Is it better to take medicine (Advil/Tylenol) or herbal tea/medicine?

A

It depends on the sitution

50
Q

What US institute provides money for clinical trials/studies?

A

The NIH (National Institutes of Health)