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Introduction to the science of sport, exercise and health > Harmless herbs > Flashcards

Harmless herbs Flashcards

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1
Q

What is a receptor

A

It is a protein that sits inside the membrane of a cell which allows contact between the inside and outside of the cell

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2
Q

What does cannabis do to the signals which control brain function

A

disrupts them

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3
Q

Where do cannabinoids sit

A

pre-synaptically

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4
Q

What do cannabinoids do

A

Inhibit neurotransmitter release

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5
Q

Where do cannabinoids inhibit neurotransmitter release

A

where CB1 receptors are found

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6
Q

Effects of cannabis

- Striatum

A
  • Reward, pleasure - Cannabinoid

- High, addiction - plant

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7
Q

Effects of cannabis

- Amygdala

A
  • Emotion, fear - Cannabinoid

- Depression, anxiety - plant

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8
Q

Effects of cannabis

- Brain stem & spinal cord

A
  • Vomit reflex, pain control - cannabinoid

- Anti nausea, pain reflex - plant

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9
Q

Effects of cannabis

- Hippocampus

A
  • Learning, memory - cannabinoid

- Memory impairment (chronic) - plant

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10
Q

Effects of cannabis

- Hypothalamus

A
  • Appetite - cannabinoid

- Munchies (acute) - plant

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11
Q

Effects of cannabis

- Cortex

A
  • Cognitive function - cannabinoid

- Cognitive impairment (chronic) - plant

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12
Q

Side effects of cannabis

A

 Psychoactive effects (mood; perception; memory etc.)
 Signs of schizophrenia in some individuals
 Falls in blood pressure
 Increased heart rate
 Risk of cancer when smoked

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13
Q

Why are performance-enhancing drugs used for

A
  • Weight loss
  • Build muscle and bone
  • Mask pain
  • Increase O2 delivery to cells
  • Increase energy
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14
Q

Kava, Kava

- Claims

A

Reduces anxiety, diminishes stress, pain relief

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15
Q

Kava, kava

- can cause

A

Cirrhosis, liver failure, hepatitis

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16
Q

Ephedra

- main ingredient

A

Ephedrine

17
Q

What is ephedra

A

Amphetamine

18
Q

What can ephedra cause

A

Seizures, strokes and heart palpitations

19
Q

Ginseng

- Claims

A

boosts energy, stress relief

20
Q

What are Ergogenic aids

A

any external influences that can positively affect physical or mental performance

Introduction to the science of sport, exercise and health (24 decks)

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