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Endocrine System

Total questions: 22

Worksheet time: 13mins

Name
Class
Date
1.
The gland labeled 4 in the diagram is?
a)
the thymus gland
b)
the thyroid gland
c)
the parathyroid glands
d)
the adrenal glands
2.
When levels go above or below a set point a hormone is released to return the body to set point. When the body is restored to set point no more hormone is released. This is an example of...
a)
a positive feedback loop
b)
a negative feedback loop
c)
a neutral feedback loop
3.
Hormones are either steroid hormones (fat based hormones) or amino acid hormones (water soluble hormones). Which of the following statements is correct?
a)
melatonin and calcitonin are steroid hormones
b)
Estrogen, progesterone and testosterone are steroid hormones
c)
insulin and glucagon are steroid hormones
d)
testosterone and parathyroid hormone are amino acid hormones
4.
The purpose of the endocrine system is to
a)
maintain homeostasis by reacting quickly to stimuli
b)
produce substances that protect the body from bacteria 
c)
maintain metabolism, growth and development in homeostasis 
d)
transport molecules throughout the body
5.
Which of the following is an example of a positive feedback loop?
a)
regulation of body temperature at 37 degrees Celsius 
b)
regulation of blood sugar levels
c)
contractions during childbirth
d)
regulation of water levels in humans
6.
Endocrine glands produce __________ which maintain the body in homeostasis
a)
oils
b)
neurotransmitters 
c)
tears
d)
hormones
7.
The anterior pituitary produces the following hormone(s)
a)
oxytocin for uterine contraction and ADH (anti-diuretic hormone) for re-absorption of water by kidneys
b)
melatonin which controls wake/sleep cycles and calcitonin which stores calcium in bones
c)
prolactin which promotes milk production and growth hormone which promotes growth and development of bone and muscle
d)
parathyroid hormone which targets bone destroying cells (osteoclasts) to release stored calcium 
8.
targets bone and muscle to promote growth and development
a)
growth hormone
b)
prolactin
c)
oxytocin
d)
ADH (antidiuretic hormone)
9.
targets mammary glands which promotes the production of milk in mammals
a)
growth hormone
b)
prolactin
c)
progesterone
d)
parathyroid hormone
10.
targets osteoclasts (bone destroying cells) so that they release calcium from bones when calcium levels are low
a)
calcitonin
b)
parathyroid hormone
c)
osteoclast hormone
d)
ADH
11.
causes contractions of the uterus during childbirth
a)
growth hormone
b)
oxycotin
c)
oxytocin
d)
oxyclean
12.
targets the brain and make people sleepy when its dark
a)
melanin
b)
melanoma
c)
melatonin
d)
melons
13.
stores calcium in bones when calcium levels are high
a)
parathyroid hormone
b)
calcitonin
c)
calciumonus
d)
T3 and T4
14.
Which of the following is NOT correctly paired
a)
Anterior pituitary- Growth hormone
b)
Pineal gland- Melatonin
c)
Thyroid- ADH (antidiuretic hormone)
d)
Parathyroid gland- PTH (parathyroid hormone)
15.
Which of the following IS correctly paired
a)
Thyroid- promotes metabolism
b)
Parathyroid-promotes childbirth
c)
Pineal-promotes storage of calcium in bones
d)
Prolactin-promotes growth and development
16.
produces epinephrine and nor-epinephrine which promote the fight or flight response
a)
pancreas
b)
testes
c)
adrenal glands
d)
pineal gland
17.
together these two hormones produced by the pancreas control blood sugar levels
a)
epinephrine and nor-epinephrine
b)
T3 and T4
c)
estrogen and progesterone
d)
insulin and glucagon
18.
this hormone causes an increase in bone density, deepening of the voice, and increased production of body and facial hair
a)
estrogen
b)
insulin
c)
testosterone
d)
progesterone
19.
this hormone stores sugar in the liver and muscles when sugar levels are high
a)
insulin
b)
glucagon
c)
T3
d)
melatonin
20.
these hormones promote secondary sex characteristics in females
a)
testosterone and GH
b)
epinephrine and nor-epinephrine
c)
estrogen and progesterone
d)
prolactin and oxytocin
21.
What is a gland?
a)
Group of muscles that work together
b)
Fat Cluster
c)
A group of cells that produce and secrete chemicals 
d)
Cancerous tissue
22.
Master gland; produces hormones that affect other glands
a)
Thymus
b)
Thyroid
c)
pancreas
d)
Pituitary