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6. The nervous system is .... and activates the ... system. The endocrine system is ... to respond and responds to ...
- fast, endocrine, slow, positive feedback
- fast, endocrine, slow, negative feedback
- slow, gastric, fast, positive feedback
- slow, gastric, fast, negative feedback
7. What is an endogenous biological rhythm?
- Generated internally and is self sustaining
- Generated internally and requires a pacemaker
- Generated externally and is self sustaining
- Generated externally and requires a pacemaker
8. Which of these are water soluble?
- Some amines
- All of the above
- Peptides
- Ones free in blood
9. What is a trophic hormone?
- Has an indirect effect on a target organ
- Regulates secretion/production of another hormone in a gland
- Regulates secretion/production of itself
- Has a direct effect on a target organ
10. How do clock genes switch off transcription?
- Accumulate in suprachiasmatic nucleus neurones.
- Stop in light
- Trigger negative feedback response
- Cause the release of an inhibitor
11. What happens when clock proteins degrade?
- Adds inhibition causing degradation of clock genes
- Removes inhibition causing degradation of clock genes
- Removes inhibition causing activation of clock genes
- Adds inhibition causing activation of clock genes
12. Which of these is NOT a hormone receptor?
- All of these
- Nucleus receptor
- Membrane receptor
- Internal receptor
13. Ciralunadian is a ... rhythm, Circnnual is a ... rhythm
- Tidal, Yearly
- Monthly, Yearly
- Tidal, regular
- Monthly, regular
14. Which of these isn't true about the endocrine system?
- Sense internal change
- Action on a close target
- Secretion into blood
- Respond by acting on other body systems
15. Light activates photoreceptors in which part of the body to activate clock genes?
16. Hormone response is proportional to the number of ... it binds to.
- peptides
- receptors
- amines
- proteins
17. What is a steroid hormone?
- Synthesised from cholesterol and is released in vesicles
- Synthesised from guanine and is released in vesicles
- Synthesised from cholesterol and diffuses across plasma membrane
- Synthesised from proteins and diffuses across plasma membrane
18. Which of these is a circadian rhythm?
- Crepscular
- Diurnal
- All of the above
- Nocturnal
19. What is a peptide hormone?
- Prepro->pro->hormone, packaged into vesicles before being secreted in blood
- Prepro->pro->hormone, secreted in gut
- Prepro->pro->hormone, packaged into vesicles before being secreted in gut
- Prepro->pro->hormone, secreted in blood
20. Which two parts of the brain link the nervous system to maintain homeostasis?
- The Hypothalamus and Cerebrum
- The Hypothalamus and Pituitary Gland
- The Cerebellum and Pituitary Gland
- The Cerebellum and Cerebrum