Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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PLease answer
Transcribed Image Text:Consider the given diagram of a neuron.
A neurotransmitter carries a nerve impulse between two neurons. Which of the following set o
transmission at nerve impulse at the synapse?
points correctly depicts t
A) A to B
B) A to C
(C) B to C
Question 21
Which of the following is a difference between neurotransmitters and hormones?
A) Neurotransmitters are a derivative of steroids, whereas hormones are a derivativre of proteins.
B) Neurotrausmitters have a complex chemical structure, wbereas bormones bave a simple chemical structure.
C Neurotransmitters are produced by the body, whereas hormones are exclusively taken through diet.
D Neurotransmitters act over a short distance, whereas bormones act over a long distance.
(E) All of these are differences between neurotransmitters and bormones.
Question 22
To which class of chemical messengers does the given compound belong?
CH,
CH,-d-0-CH,-CH,-N-CH,
ČH
A) cholinergic messengers
B) amino acid messengers
(c) adrenergic messengers
peptidergic messengers
Transcribed Image Text:Question 23
How does cyclic AMP activate a protein kinase?
by phosphorylating the regulatory unit
B by dissociating the catalytic unit from the regulatory unit
by phosphorylating the catalytic unit
D by phosphorylating the ion-translocating protein
Question 24
Which of the following statements is true of peptidergic messengers?
They primarily belong to the group of hormones that affect metabolism.
B They do not utilize G-protein-adeaylate cyclase as a secondary messenger system.
They include neuropeptides that act as potent anorexic agents.
D) None of these are true.
Question 25
Identify a peptide that binds to specific pain receptors and controls pain perception.
enkephalia
B) neuropeptide Y
leptin
substance P
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