ANA109 Exam 5
What is the primary function of the ner- To provide fast responses using impuls-
vous system? es to send messages.
What are the main organs of the nervous
The brain, spinal cord, and nerves.
system?
What is the primary function of the en- To provide slower responses using hor-
docrine system? mones to send messages.
What are the main organs of the en- Glands that release hormones into the
docrine system? bloodstream.
What are some examples of hormones Adrenaline, thyroxine, HGH, insulin,
produced by the endocrine system? testosterone.
What is a key similarity between the en- Both systems react to stimuli and help
docrine and nervous systems? maintain homeostasis.
What is the role of the hypothalamus in
relation to the endocrine and nervous It acts as a link between the two systems.
systems?
Endocrine glands secrete hormones
What is the difference between en- directly into the bloodstream, while
docrine and exocrine glands? exocrine glands secrete substances
through ducts.
Give an example of an endocrine gland The thyroid gland produces hormones
and its function. that regulate metabolism.
Give an example of an exocrine gland Sweat glands secrete sweat to help reg-
and its function. ulate body temperature.
What are the two basic types of hor- Water-soluble hormones and lipid-solu-
mones? ble hormones.
They bind to receptors on the cell mem-
How do water-soluble hormones interact
brane and use a second-messenger sys-
with cells?
tem to elicit an intracellular response.
They can diffuse through the cell mem-
How do lipid-soluble hormones interact
brane and require a chaperone protein to
with cells?
reach the nucleus.
Why can a hormone only act on specific A cell must have a specific receptor for
target cells? that hormone to respond.
1/4
What is the primary function of the ner- To provide fast responses using impuls-
vous system? es to send messages.
What are the main organs of the nervous
The brain, spinal cord, and nerves.
system?
What is the primary function of the en- To provide slower responses using hor-
docrine system? mones to send messages.
What are the main organs of the en- Glands that release hormones into the
docrine system? bloodstream.
What are some examples of hormones Adrenaline, thyroxine, HGH, insulin,
produced by the endocrine system? testosterone.
What is a key similarity between the en- Both systems react to stimuli and help
docrine and nervous systems? maintain homeostasis.
What is the role of the hypothalamus in
relation to the endocrine and nervous It acts as a link between the two systems.
systems?
Endocrine glands secrete hormones
What is the difference between en- directly into the bloodstream, while
docrine and exocrine glands? exocrine glands secrete substances
through ducts.
Give an example of an endocrine gland The thyroid gland produces hormones
and its function. that regulate metabolism.
Give an example of an exocrine gland Sweat glands secrete sweat to help reg-
and its function. ulate body temperature.
What are the two basic types of hor- Water-soluble hormones and lipid-solu-
mones? ble hormones.
They bind to receptors on the cell mem-
How do water-soluble hormones interact
brane and use a second-messenger sys-
with cells?
tem to elicit an intracellular response.
They can diffuse through the cell mem-
How do lipid-soluble hormones interact
brane and require a chaperone protein to
with cells?
reach the nucleus.
Why can a hormone only act on specific A cell must have a specific receptor for
target cells? that hormone to respond.
1/4
