Chapter 4 Endocrine Flashcards
What is the key difference between steroid hormones and polypeptide hormones with regard to cell membranes?
Steroid hormones can pass through a cell membrane while polypeptide hormones cannot
What do polypeptide hormones require in order to affect the interior of a cell?
Secondary messengers
What are polypeptide hormones composed of?
Amino acids
How many heavy resistance exercise sessions can increase the number of androgen receptors in the muscles?
1-2
What are the five potential adaptations occurring in the endocrine system with resistance exercise?
- Hormone level
- Transportation
- Clearance time from liver and other tissues
- Degradation level
- Number of receptors
What are the four elements to increase serum testosterone concentrations for men?
- Large muscle groups
- Short rest periods 30-60s
- Heavy resistance 85-95% 1RM
- 2+ years
Which hormone promotes growth hormone release?
Testosterone
What effect differentiates testosterone from the other anabolic hormones?
Increases neurotransmitters
How much less testosterone do women have than men?
15-20 x
What anabolic hormone does growth hormone stimulate?
IGF-1
When does growth hormone stimulate the release of IGF-1?
Later
How does growth hormone affect glucose utilization and lipolysis?
Growth hormone decreases glucose utilization and increases lipolysis
How does growth hormone affect collagen synthesis?
Growth hormone increases collagen synthesis
Where is growth hormone produced?
Pituitary gland
When does growth hormone release increase?
At night