Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Describe the mechanism of action of non-steroid hormones at their target cells.
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State 3 ways non-steroid and steroid hormones differ in their mechanism of action.
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Which of the following correctly describes steroid hormones?
transcription factors made from amino acids
peptide hormones that enter the cell nucleus
lipid-soluble signals that diffuse across cell membranes
water-soluble signals that bind cell-surface receptors
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Which of the following is NOT an endocrine gland that secretes hormones directly into the bloodstream?
adrenal glands
pancreas
pituitary gland
hypothalamus
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Which feature makes the nervous system able to bring about faster effects than the endocrine system?
use of electrical signals instead of chemical signals
reuptake of neurotransmitters after release
storage of neurotransmitters in synaptic vesicles
direct connections with target tissues
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Give 3 differences between endocrine and neuronal communication.
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How do hormones act as chemical messengers between cells?
they travel via the bloodstream
they detach from receptors on target cells
they are produced by neuron cells
they break down in the blood
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Which feature applies to hormonal but NOT neuronal communication?
transmission is widespread
effects last a short duration
signals are transmitted by neurones
signals are nerve impulses
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What causes a target cell to respond after a hormone binds to its receptors?
the cell metabolism increases
the hormone enters the cell nucleus
the receptor changes shape
the hormone breaks down
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What system works with the endocrine system to maintain homeostasis in the body?
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