Download Endocrine System

BIOLOGY
Topic 3: Thyroid glands, parathyorid glands,
pancreas
Fill in the blanks
1.____________ is both an EXOCRINE (ducts) and
ENDOCRINE SYSTEM
Topic 4: Adrenal glands, gonads and thymus gland
Fill in the blanks
1. The thymus gland secretes __________ a hormone
that stimulates the formation of t-cells.
2. The __________ secretes the hormone melatonin.
endocrine gland.
2. _____________ the hormone producing portion of
the pancreas
3._____________ and ___________ regulate the
metabolism of blood glucose (sugar) and the hormones
have opposite effects. (antagonistic hormones)
4. ______________ stimulates its target cells to take up
and use glucose. this action lowers blood glucose
levels. "use or store"
5. _________________ stimulates its cells to
breakdown stored glycogen and increase glucose
levels in the blood.
6. When there is an under secretion of insulin, a
condition called _____________ occurs.
Multiple Choices
1. If ___________ is lacking in the diet, the thyroid
gland enlarges, producing a goiter.
A) Thyroxin
B) Iron
C) Iodine
D) Calcium
E) Phosphorus
2. Hypothyroidism in adults produces a condition
called ___________.
A) Goiter
B) Cretinism
C) Acromegaly
D) Pituitary dwarfism
E) Myxedema
3. Parathyroid hormone (PTH) ___________.
A)stimulates the absorption of calcium from the
digestive tract
B)stimulates the retention of calcium by the kidneys
C) stimulates the demineralization of bone
D) causes blood phosphate level to decrease
E) all of the above
4. Calcium plays an important role in _________.
A) nervous conduction
B) muscle ontraction
C) blood clotting
C) bone formation
E) all of the above
3. _________ concentrations increase sharply at night
and decrease dramatically during the day.
4. _________ is located on top of each kidney that
composes of two layer, __________ outer and
____________ inner.
5. Increase activity of the adrenal cortex can result in
__________________ - obesity, increase blood sugar
levels, high blood pressure, and weakening of bones.
6. "Fight or flight" hormones - nerve impulses from the
sympathetic nervous system results in the secretion of
_____________ and ______________.
7._____________ are gamete-producing organs that
also produce a group of steroid sex hormones.
8. The ovaries produce the female sex hormones, the
___________ and ____________.
Multiple Choices
1. Symptoms of ___________ include overactivity;
weight loss; and high blood pressure, heart rate,
and body temperature.
A) hypothyroidism
B) cretinism
C) hyperthyroidism
D) diabetes mellitus
E) obesity
2. The rate of metabolism of all body cells is
regulated by _____________.
A) parathyroid hormone B) aldosterone
C) thyroxine
D) calcitonin
E) testesteron
3. In males and females, a gland that differs in the
hormones it secretes are the ___________.
A) Adrenal
B) Gonads
C) Parathyroid
D) Pancreas
E) Thyroid