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WorksheetsHormones rgr
Total questions: 19
Worksheet time: 14mins
What is Homeostasis ?
is the maintenance of a constant internal environment
is the maintenance of a constant external environment
is the maintenance of a constant living environment
The normal human body temperature is
35 °C
37 °C
34 °C
40 °C
High body temperature in humans is regulated by all these except
sweating
falling of skin hairs
vasodilation
vasoconstriction
Vasoconstriction is :
the shortening of arterioles supplying skin surface capillaries
the widening of arterioles supplying skin surface capillaries
the narrowing of arterioles supplying skin surface capillaries
All of the above
Which one is not part of the skin:
hair erector muscles
receptors
cilia
blood vessels
Which of the following is the skin?
A Tissue
A Cell
An Organ
An Organ system
Which row shows the effects of increased adrenaline release?
breathing rate >> pulse rate >> pupil
decreases >>increases >>widens
increases >> decreases >> widens
increases >> increases>> narrows
increases >> increases>> widens
The endocrine system is the set of organs and tissues?
True
False
The main elements of the endocrine system are ______.
The glands, hormones, and cell receptors
The glands, nerves, and blood vessels
The blood, tissue, and brain
The hormones, blood, and brain
Glands are ________________.
muscles
bones
organs
blood vessels
A hormone is
a chemical substance produced by a gland and carried by the lymph.
an enzyme produced by a gland and carried by the blood.
a chemical substance produced by an organ and carried by the blood.
a chemical substance produced by a gland and carried by the blood.
Release of chemical messengers are called
glands
muscles
hormones
bones
These chemical messengers are synthesized and secreted by various ______________ glands
nervous
endocrine
chemical
circulatory
Hormones cause specific effects by ______.
Flooding the entire body
Targeting specific parts of the brain
Targeting specific groups of cells in the body
Spreading through the nervous system
The diagram shows the mechanisms that control the concentration of glucose in the blood.
Which row identifies the glands and hormones labelled W, X, Y and Z?
adrenal gland, adrenaline, adrenal gland, glucagon
adrenal gland, adrenaline, pancreas, insulin
pancreas, glucagon, adrenal gland, insulin
pancreas, insulin, pancreas, glucagon
Insulin and glucagon are produced by
the liver
the pancreas
the kidneys
Which one here reduces the amount of glucose in the blood?
Glucagon
Insulin
Glycogen
ADH
Which one is not a symptom of Type 1 diabetes.
tired
feeling very thirsty
frequent urination
weight gain
Which one is NOT the effect of the release of adrenaline on the heart rate, glucose concentration and pupil
heart rate increased
glucose concentration increased
glucose concentration decreased
pupil dilates
