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1c Human Body: Endocrine system, structure and function Flashcards | StudBud
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1c Human Body: Endocrine system, structure and function
1c Human Body: Endocrine system, structure and function
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A quiz about the endocrine glands, their hormones and the maintenance of homeostasis
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Answers
1
How are high levels of testosterone brought back down to ideal concentrations?
Testosterone is broken down faster
High testosterone inhibits the thyroid gland
High testosterone inhibits the thymus gland
High testosterone inhibits the hypothalamus & pituitary
2
What hormone is produced in higher quantities after a sugary drink?
FSH
ADH
Glucagon
Insulin
3
Which glands are stimulated to produce more secretions when you are hot.
Sweat glands only
Sweat glands and Thyroid gland
Pituitary gland only
Thyroid glands only
4
How are high levels of thyroxine brought back down to ideal concentrations?
Thyroxine is broken down faster
High thyroxine levels inhibit the thymus gland
High thyroxine levels inhibit the hypothalamus & pituitary
High thyroxine levels inhibit the thyroid gland
5
Which organ is the main effector that has receptors for both insulin and glucagon
Pancreas
Kidneys
Colon
Liver
6
An example of a positive feedback mechanism is:
Inhibition of the Hypothalamus and Pituitary glands
Return of core temperature to 37oC when cold
Contractions of the uterus during labour
Reduction in Blood glucose after a post-meal increase
7
Releaser hormones
are made by the 1)
_______
&
Stimulating hormones
are made by the 2)
_______
1) posterior pituitary 2) hypothalamus
1) anterior pituitary 2) hypothalamus
1) hypothalamus 2) anterior pituitary
1) hypothalamus 2) posterior pituitary
8
Maintenance of the body's internal environment withina narrow range of physiological parameters
Diabetes
Homeostasis
Negative Feedback
Positive Feedback
9
Feedback mechanisms that reinforce a deviation of the internal environment from the set point =
Homeostasis
Blood glucose control
Positive Feedback mechanisms
Negative Feedback mechanisms
10
Where are Thermoreceptors located?
skin and hypothalamus
skin only
skin and pituitary gland
hypothalamus only
11
More of the hormone
glucagon
stimulates a liver enzyme to catalyse the reaction of...
amino acids ⇨ glucose
glucose ⇨ glycogen
glycogen ⇨ glucose
glucose ⇨ fatty acids
12
Where are the receptors that detect a deviation of blood glucose levels from the set point?
Pituitary
Thyroid
Liver
Pancreas
13
In the control of core temperature, what detects the change in temperature.
Thermoreceptors
Thermoeffectors
Thermoplastic
Thermosetting
14
Mechanisms which corrects deviations of the internal environment from the set point are
Homeostasis
Positive Feedback mechanisms
Neutral Feedback mechanisms
Negative feedback mechanisms
15
Which branch of the nervous system is most involved in maintaining homeostasis
Autonomic NS
Somatic NS
Right branch
Left branch
