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Biol 320 Exam 1 Newest 2025 Actual Exam Complete Questions And Correct Answers(Verified Answers) |Already Graded A+
What are examples of neurotransmitter communication? - ANSWER-acetylcholine epinephrine
What do the nervous system and endocrine system have in common? - ANSWER-- react to stimuli
- maintain homeostasis
- send messages
- hypothalamus
Facts about nervous system - ANSWER-- fast response
- uses impulses
- brain, spinal cord, nerves
- uses neurons
- CNS/ PSN
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Facts about endocrine system - ANSWER-- slow response
- uses hormones
- glands
- travel through bloodstream
- adrenaline, thyroxin, HGH, insulin, testosterone
In a hormone signal what determines the strength? - ANSWER- the concentration of the hormone
In hormone signaling, a small concentration of a hormone is a ____ signal and produces a ___ response whereas a larger concentration is a ___ signal and results in a ___ response. - ANSWER-weak small strong greater
What is are examples of hormone signalling? - ANSWER- adrenaline rush angy/fight
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What is an example of nerve signaling? - ANSWER-a finger on a hot surface
In nerve signaling, the strength of the signal depends on what? - ANSWER-the frequency
In nerve signaling a low frequency of action potentials is a ___ stimulus and a higher frequency is a ____ stimulus. - ANSWER- weak stronger
____ hormone regulation is the maintenance of relatively constant concentration of hormone. always consistent - ANSWER-chronic
An example of chronic hormone regulation is? - ANSWER- thyroid hormone
_____ hormone regulation is when their is an increase or decrease of that hormone depending on our need - ANSWER- acute
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An example of acute hormone regulation is? - ANSWER- epinephrine/ adrenaline during stress or fight
_____ hormone regulation is an increase in hormone at a certain time every time - ANSWER-cyclic
an example of cyclic hormone regulation would be? - ANSWER-female menstrual cycle
When someone touches a hot hot surface, which system causes him to move his hand? - ANSWER-nervous system
what are the 3 types of controlled hormonal release? - ANSWER-humoral hormonal neural
The capillary, calcium, parathyroid gland, PTH, and the secretion of parathyroid hormone is what type of hormonal release? - ANSWER-humoral
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