CHAPTER 45- HORMONES AND THE
ENDOCRINE SYSTEM ACTUAL EXAM
2024- 2025 WITH COMPLETE
QUESTIONS AND ACCURATE
SOLUTIONS GRADED A+
bWhat cells are equipped to respond to hormones? - Correct answer.-Hormones reach all parts of the
body, but only target cells are equipped to respond.
-Insect metamorphosis is regulated by hormones.
Compare and contrast the endocrine system and the exocrine system - Correct answer.Endocrine has no
ducts
pituitary gland - Correct answer.It senses the body's needs and sends signals to different organs and
glands throughout the body to regulate their function and maintain an appropriate environment.
Hormones - Correct answer.-control and regulate
- Give off chemical signals that are secreted into the blood and communicate regulatory messages within
the body (other tissues)
The cascade starts off - Correct answer.The cascade starts off with just a trickle, as TRH goes just a few
millimeters to the anterior pituitary, where it hits receptors on cells there, causing it to release thyroid-
stimulating hormone, or TSH, into the bloodstream.J
Two systems coordinate communication throughout the body: - Correct answer.-the endocrine system
and the nervous system.
The endocrine system- - Correct answer.-Chemical signaling by hormones is the function secretes
hormones in the blood, that coordinate slower but longer
-acting responses including reproduction, development, energy metabolism, growth, and behavior.
,The nervous system - Correct answer.-conveys high-speed electrical signals along specialized cells called
neurons; these signals regulate other cells.
Communication between animal cells through secreted signals can be classified by two criteria: - Correct
answer.-The type of secreting cell
-The route taken by the signal in reaching its target
Types of Secreted Signaling Molecules - Correct answer.•Secreted chemical signals include
-Hormones
-Local regulators
-Neurotransmitters
-Neurohormones
-Pheromones
Secreted chemical signals:
Hormones
-Endocrine signals - Correct answer.-Endocrine signals (hormones) are secreted into extracellular fluids
and travel via the bloodstream
-Hormones mediate responses to environmental stimuli and regulate growth, development, and
reproduction.
•Endocrine glands - Correct answer.Ductless glands that empty their hormonal products directly into the
blood
exocrine glands - Correct answer.gland that releases its secretions or hormones through tubelike
structures called ducts
Local regulators - Correct answer.-are chemical signals that travel over short distances by diffusion
-help regulate blood pressure, nervous system function, and reproduction.
-paracrine or autocrine
, endocrine signaling - Correct answer.-A type of long-distance signaling in animals that utilizes hormones.
a.Hormones secreted into extracellular fluids by endocrine cells reach their targets via the bloodstream
*paracrine signaling - Correct answer.-Paracrine signals act on cells near the secreting cell.
*autocrine signaling - Correct answer.-signals act on the secreting cell itself.
*neuroendocrine signaling - Correct answer.-neurohormones diffuse into the bloodstream and trigger
responses in target cells anywhere in the body
-specialized neurosecretory cells secrete neurohormones that diffuse from nerve endings into the
bloodstream
Intercellular communication by secreted molecules - Correct answer.(a) Endocrine signaling
(b) Paracrine signaling
(c) Autocrine signaling
(d) Synaptic signaling
(e) neuroendocrine signaling
Synaptic signaling - Correct answer.-a nerve cell releases neurotransmitter molecules into a synapse,
stimulating the target cell
Secreted chemical signals
Neurotransmitters
found at the ?
diffuse by
play a role in
Neurohormones are - Correct answer.-At synapses, neurons often secrete chemical signals
-diffuse a short distance to bind to receptors on the target cell
-play a role in sensation, memory, cognition, and movement
ENDOCRINE SYSTEM ACTUAL EXAM
2024- 2025 WITH COMPLETE
QUESTIONS AND ACCURATE
SOLUTIONS GRADED A+
bWhat cells are equipped to respond to hormones? - Correct answer.-Hormones reach all parts of the
body, but only target cells are equipped to respond.
-Insect metamorphosis is regulated by hormones.
Compare and contrast the endocrine system and the exocrine system - Correct answer.Endocrine has no
ducts
pituitary gland - Correct answer.It senses the body's needs and sends signals to different organs and
glands throughout the body to regulate their function and maintain an appropriate environment.
Hormones - Correct answer.-control and regulate
- Give off chemical signals that are secreted into the blood and communicate regulatory messages within
the body (other tissues)
The cascade starts off - Correct answer.The cascade starts off with just a trickle, as TRH goes just a few
millimeters to the anterior pituitary, where it hits receptors on cells there, causing it to release thyroid-
stimulating hormone, or TSH, into the bloodstream.J
Two systems coordinate communication throughout the body: - Correct answer.-the endocrine system
and the nervous system.
The endocrine system- - Correct answer.-Chemical signaling by hormones is the function secretes
hormones in the blood, that coordinate slower but longer
-acting responses including reproduction, development, energy metabolism, growth, and behavior.
,The nervous system - Correct answer.-conveys high-speed electrical signals along specialized cells called
neurons; these signals regulate other cells.
Communication between animal cells through secreted signals can be classified by two criteria: - Correct
answer.-The type of secreting cell
-The route taken by the signal in reaching its target
Types of Secreted Signaling Molecules - Correct answer.•Secreted chemical signals include
-Hormones
-Local regulators
-Neurotransmitters
-Neurohormones
-Pheromones
Secreted chemical signals:
Hormones
-Endocrine signals - Correct answer.-Endocrine signals (hormones) are secreted into extracellular fluids
and travel via the bloodstream
-Hormones mediate responses to environmental stimuli and regulate growth, development, and
reproduction.
•Endocrine glands - Correct answer.Ductless glands that empty their hormonal products directly into the
blood
exocrine glands - Correct answer.gland that releases its secretions or hormones through tubelike
structures called ducts
Local regulators - Correct answer.-are chemical signals that travel over short distances by diffusion
-help regulate blood pressure, nervous system function, and reproduction.
-paracrine or autocrine
, endocrine signaling - Correct answer.-A type of long-distance signaling in animals that utilizes hormones.
a.Hormones secreted into extracellular fluids by endocrine cells reach their targets via the bloodstream
*paracrine signaling - Correct answer.-Paracrine signals act on cells near the secreting cell.
*autocrine signaling - Correct answer.-signals act on the secreting cell itself.
*neuroendocrine signaling - Correct answer.-neurohormones diffuse into the bloodstream and trigger
responses in target cells anywhere in the body
-specialized neurosecretory cells secrete neurohormones that diffuse from nerve endings into the
bloodstream
Intercellular communication by secreted molecules - Correct answer.(a) Endocrine signaling
(b) Paracrine signaling
(c) Autocrine signaling
(d) Synaptic signaling
(e) neuroendocrine signaling
Synaptic signaling - Correct answer.-a nerve cell releases neurotransmitter molecules into a synapse,
stimulating the target cell
Secreted chemical signals
Neurotransmitters
found at the ?
diffuse by
play a role in
Neurohormones are - Correct answer.-At synapses, neurons often secrete chemical signals
-diffuse a short distance to bind to receptors on the target cell
-play a role in sensation, memory, cognition, and movement
