Download Endocrine System

BIOLOGY
ENDOCRINE SYSTEM
Topic 1: Endocrine System
Topic 2: Hypothalamus, pituitary glands
1. The endocrine system __________.
A) affects only the reproductive system.
B) releases hormones into the bloodstream.
C) competes with the nervous system.
D) is made up primarily of glands with ducts.
E) is made up from bone cells.
Match each pituitary hormone with its action.
2. Unlike endocrine glands, exocrine glands
_______________.
A) have ducts.
B) release hormones.
C) release secretions directly into the bloodstream.
D) are found throughout the body.
E) transmits impulses.
1. ___ADH
2. ___FSH
a. Stimulates ovaries and testes
b. Stimulates production of eggs and
sperm
3. ___LH
c. Stimulates release of hormones
from adrenal cortex
4.___ GH
d. Stimulates protein synthesis and
growth in cells
5. ___ACTH e. Stimulates the kidneys to reabsorb
water
Fill in the blanks
1. _________ and___________ hormones, stimulates
the organ of the reproductive system.
3. Which of the following is a gland of the endocrine
system?
A) sweat gland
C) pituitary gland
B) tear gland
D) salivary glands
E) mammary glands
2.________ is the over secretion of growth hormone.
3.________ regulates the water balance of body
4.________ triggers milk production from the mammary
glands.
Fill in the blanks:
1. Chemicals that travel through the bloodstream and
affect the activities of other cells are called
Multiple Choices
________________.
1. Which hormone determinates the skin color?
A) LTH
B) melatonin
C) oxytocin
D) MSH
E) STH
2. Cells that have receptors for a particular hormone
are referred to as ._______________.
3. An organ that produces and releases a substance, or
a secretion, is called a(an) ___________.
Short Answers:
1. Compare endocrine glands and exocrine glands.
Give an example of each kind of gland.
2. The hypothalamus regulates __________.
A) heart rate
B) body temperature
C) water balance
D) glandular secretions
E) all of the above
3. The posterior pituitary stores and secretes ____.
A) ADH and oxytocin
B) growth hormone and gonadotropin releasing
hormone
C) estrogen and testosterone
D) aldosterone and cortisone
E) egg and sperm
2. What is the hormone?
3. What are the differences between peptide and
steroid hormones?
4. The function(s) of oxytocin is/are to ___________.
A) cause the uterus to contract
B) induce labor
C) stimulate the release of milk from the mother's
mammary glands when her baby is nursing.
D) all of the above
Short Answer:
1. Which hormones are secreted by Pituitary
glands?
4. Explain the feedback mechanism with an
example.
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 contraction
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