An intercellular chemical signal that is produced by neurons but functions like a hormone would be called a
A. neuropathogen.
B. neurotransmitter.
C. neurocrine.
D. neurohormone.
E. neurosynthesizer.
(
Question 2) Hormones are intercellular chemical signals that
A. are secreted into the external environment where they act.
B. affect only non-hormone producing organs or tissues.
C. help coordinate growth, development and reproduction.
D. operate primarily by positive feedback.
(
Question 3) Most endocrine glands communicate with their target tissues using _____ signals.
A. frequency-modulated
B. amplitude-modulated
C. pitch-modulated
D. resonance-modulated
(
Question 4) What type of chemical messenger stimulates the cell that originally secreted it?
A. paracrine
B. neurotransmitter
C. autocrine
D. endocrine
(
Question 5) What type of chemical messenger will act locally on nearby cells?
A. paracrine
B. neurotransmitter
C. autocrine
D. endocrine
(
Question 6) What type of chemical messenger is released from neurons to activate an adjacent cell?
A. paracrine
B. neurotransmitter
C. autocrine
D. endocrine
(
Question 7) What is it about a cell that identifies it as a target cell for a hormone?
A. the presence of a receptor specific for that hormone
B. its location near the gland that secretes that hormone
C. the ability of the target cell to perform a specific function
D. its ability to inactivate the hormone
E. the size of the target cell
(
Question 8) Axons from preganglionic neurons of the parasympathetic division synapse with _________ ganglia.
Fill in the blank(s) with the appropriate word(s).
(
Question 9) The celiac ganglion is one of the three main _________ ganglia.
Fill in the blank(s) with the appropriate word(s).
(
Question 10) A neuron that secretes norepinephrine would be a(n) _________ neuron.
Fill in the blank(s) with the appropriate word(s).
Quick Reply
