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WorksheetsEndocrine System
Total questions: 40
Worksheet time: 25mins
The Endocrine system is composed of what?
a group of organs and glands that produce hormones.
hormones
organs
glands
If I had a patient present with increased height, longer limbs, hands and feet, as well as a longer than normal growth spurt, which gland would you suspect is malfunctioning?
Pituitary
Thyroid
Ovaries
Testes
Which gland secrets hormones that control blood sugar levels as well as many processes of digestion?
Pituitary
Testes
Thyroid
Pancreas
What is the Endocrine System?
the body's defense against infectious organisms and other invaders
a biological system consisting of specific organs and structures used for gas exchange in animals and plants
a system of sex organs within an organism which work together for the purpose of sexual reproduction
a system that produces and secretes hormones
What is the function of the Pineal Gland?
It releases a steady amount of hormones into the bloodstream to help regulate many body functions.
It produces critical hormones, which are chemical substances that control various bodily function.
It produces hormones that help the body control blood sugar, burn protein and fat.
It produces melatonin which helps maintain circadian rhythm and regulate reproductive hormones.
What is the function of the Testis?
It produces gametes, or sperm, and they secrete hormones, primarily testosterone
It produces oocytes (eggs) for fertilisation and they produce the reproductive hormones, oestrogen and progesterone
It produces melatonin, which helps maintain circadian rhythm and regulate reproductive hormones
It produces critical hormones, which are chemical substances that control various bodily functions
What is the function of the Ovaries?
It produces hormones that help the body control blood sugar, burn protein and fat
It produces antagonistic hormones to control blood sugar
It produces gametes, or sperm, and they secrete hormones, primarily testosterone
It produces oocytes (eggs) for fertilisation and they produce the reproductive hormones, oestrogen and progesterone
Hormone regulation operates under which type of feedback mechanism?
positive feedback
negative feedback
zero feedback
Hormones are not regulated
All of the following are endocrine organs EXCEPT
thyroid gland
hypothalamus
adrenal glands
lymph nodes
Which structure within the brain controls the pituitary gland?
the pineal gland
thymus gland
thyroid gland
hypothalamus
Which hormone induces a positive feedback mechanism by causing increasing frequency of contractions during childbirth
prolactin
progesterone
oxytocin
estrogen
Which hormone regulates water balance by reducing the amount of water leaving the body
aldosterone
antidiuretic hormone
growth hormone
thyroxine
A hormone antagonist is one that has the opposite function. The hormone antagonist of insulin is _________
glucagon
gastrin
secretin
calcitonin
Calcitonin decreases calcium in the blood while Parathyroid hormone works antagonistically. What is the function of PTH (Parathyroid Hormone)?
To increase the amount of calcium in the blood so that it is available for the bones
To decrease the amount of calcium in the blood so that it is available for the bones
To break down bones to release calcium into the blood
To build up bones
Juan has is nervous before his test. He takes his blood pressure and realizes it is a little high. He also measures his blood glucose, which is also high. He most likely has high concentrations of which hormone?
Growth hormone
oxytocin
Cortisol
thyroxine
Benji loves to go bungee jumping. He says it gives him an adrenaline high. After jumping, his heart rate, blood pressure, and breath rate all increase. This is due to the increased activity of which hormone/neurotransmitter?
Cortisol
Parathyroid Hormone
Epinephrine
Adrenocorticotropic hormone
This hormone maintains circadian rhythms and is most active during sleep
melanin
melatonin
Thymic factor hormone
Thyroid stimulating hormone
Increases and decreases blood sugar level
parathyroid
pancreas
pituitary
adrenal
What is a hormone?
a chemical messenger
a blood cell
a nerve cell
a skeletal cell
How do the hormones get around the body?
Through the circulatory system
Through the skeletal system
Through the digestive system
Through the respiratory system
What produces thyroxin and helps control metabolism?
pancreas
adrenal glands
thyroid
