10. Which one of the following statements is true of the regulation of activities in the human body? J Messages carried by nerves generally have longer-lasting effects than hormonal messages Hormones are always transported directly from a gland to an effector The interval between stimulus and response is usually greater if a message is transmitted by the nervous system rather than the endocrine system M Some processes are controlled by both the nervous and endocrine system K L

Human Anatomy & Physiology (11th Edition)
11th Edition
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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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10. Which one of the following statements is true of the regulation of activities in the
human body?
J
K
L
Hormones are always transported directly from a gland to an effector
The interval between stimulus and response is usually greater if a message is
transmitted by the nervous system rather than the endocrine system
M Some processes are controlled by both the nervous and endocrine system
11. Oxytocin is a hormone that stimulates milk release during breast feeding. The
diagram below shows the stimulus response model for milk release during breast
feeding.
Messages carried by nerves generally have longer-lasting effects than
hormonal messages
Sensory receptor
Suckling
-
Oxytocin
Blood sel
J Sensory receptor
K Hypothalamus
L Blood vessel
M Smooth muscle in breasts
A
Smooth
muscle in
breasts
Hypothalamus/
posterior pituitary gland
Which one of the following is the effector in the pathway?
Milk release
12. The Cannabinoids are drugs that prevent the fusion of vesicles with the pre-synaptic
membrane. Which one of the following is the likely effect of cannabinoids?
J The opening of protein channels in the postsynaptic membrane
K The closing of protein channels in the postsynaptic membrane
L Stimulate the transmission of nerve impulses in the postsynaptic cell
M Inhibit the transmission of nerve impulses in the postsynaptic cell.
Transcribed Image Text:10. Which one of the following statements is true of the regulation of activities in the human body? J K L Hormones are always transported directly from a gland to an effector The interval between stimulus and response is usually greater if a message is transmitted by the nervous system rather than the endocrine system M Some processes are controlled by both the nervous and endocrine system 11. Oxytocin is a hormone that stimulates milk release during breast feeding. The diagram below shows the stimulus response model for milk release during breast feeding. Messages carried by nerves generally have longer-lasting effects than hormonal messages Sensory receptor Suckling - Oxytocin Blood sel J Sensory receptor K Hypothalamus L Blood vessel M Smooth muscle in breasts A Smooth muscle in breasts Hypothalamus/ posterior pituitary gland Which one of the following is the effector in the pathway? Milk release 12. The Cannabinoids are drugs that prevent the fusion of vesicles with the pre-synaptic membrane. Which one of the following is the likely effect of cannabinoids? J The opening of protein channels in the postsynaptic membrane K The closing of protein channels in the postsynaptic membrane L Stimulate the transmission of nerve impulses in the postsynaptic cell M Inhibit the transmission of nerve impulses in the postsynaptic cell.
Which one of the combinations below describes the type of neuron and its location
in the body?
J
K
L
M
Hypothalamus
GnRH
(+)
14. Testosterone is a hormone produced by male testes.
The diagram below shows a negative feedback system controlling testosterone
concentration.
Pituitary gland
DOD
Neuron type
Interneuron
LH and FSH
Sensory neuron
Testes
Interneuron
Motor neuron
(-)
Location
Peripheral nervous system
Peripheral nervous system
Central nervous system
Central nervous system
Sperm cells
Key
(+) stimulates
(-) inhibits
Testosterone
GnRH-gonadotropin-
releasing hormone
LH- luteinising hormone
FSH - follicle-stimulating
hormone
J will reduce testosterone levels by inhibiting LH and FSH.
K will reduce testosterone levels by stimulating GnRH secretion.
L will increase testosterone levels by inhibiting LH and FSH.
M Will increase testosterone levels by stimulating GnRH secretion
Transcribed Image Text:Which one of the combinations below describes the type of neuron and its location in the body? J K L M Hypothalamus GnRH (+) 14. Testosterone is a hormone produced by male testes. The diagram below shows a negative feedback system controlling testosterone concentration. Pituitary gland DOD Neuron type Interneuron LH and FSH Sensory neuron Testes Interneuron Motor neuron (-) Location Peripheral nervous system Peripheral nervous system Central nervous system Central nervous system Sperm cells Key (+) stimulates (-) inhibits Testosterone GnRH-gonadotropin- releasing hormone LH- luteinising hormone FSH - follicle-stimulating hormone J will reduce testosterone levels by inhibiting LH and FSH. K will reduce testosterone levels by stimulating GnRH secretion. L will increase testosterone levels by inhibiting LH and FSH. M Will increase testosterone levels by stimulating GnRH secretion
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