What action of testosterone involves primary and secondary sex characteristics?
Androgenic
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What actions of testosterone consist of the inhibition of urinary nitrogen loss and stimulation of protein synthesis?
Anabolic
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What are steroid hormones derived from?
Cholesterol
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Where is testosterone NOT formed?
Pituitary gland
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What proportion of testosterone is made in testes?
90-95%
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What is the ratio of testosterone to epitestosterone found in plasma?
12:1
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How does testosterone enter the cell?
Passively - lipid soluble
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What part of the cell does testosterone enter to have its effects?
Nucleus
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To promote muscle hypertrophy, what effects of testosterone are wanted?
Anabolic only
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Why is natural, isolated testosterone ineffective if injected or taken orally?
Metabolised by liver
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What is the injection of a substance in a vehicle that tends to keep it at the site of injection so that absorption occurs over a prolonged period of time?
Depot injection
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What is NOT a use for clinical steroids?
Liver cancer
12 of 24
Would a therapeutic dose be larger or smaller than what is used in sport?
Much lower
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What is NOT an administration regime of steroids?
Blocking
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What administration regime is preferred by body builders?
Cycling
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What admin regime gradually builds up a dose then reduces it, and is thought to reduce behavioural effects of coming off the drug?
Pyramiding
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What admin regime uses more than one anabolic at a time to avoid plateauing?
Stacking
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Which regime has very dodgy pharmacology and is used by amateur gym pharmacologists?
Stacking
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Sport dosages may be how many times more than therapeutic recommended doses?
100
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What type of athletes would benefit from using a dose similar to therapeutic dose?
Endurance and sprint
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What is a dosage followed by in males to re-stimulate endogenous testosterone production?
Human chorionic gonadotrophin (hCG)
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What is NOT a side effect for men?
Extreme feminisation
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What is NOT a side effect for women?
Gynaecomastia
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What is not a physiological effect of using steroids?
Blood volume decreases
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Other cards in this set
Card 2
Front
What actions of testosterone consist of the inhibition of urinary nitrogen loss and stimulation of protein synthesis?
Back
Anabolic
Card 3
Front
What are steroid hormones derived from?
Back
Card 4
Front
Where is testosterone NOT formed?
Back
Card 5
Front
What proportion of testosterone is made in testes?
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