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Worksheets1. Endocrine System
Total questions: 36
Worksheet time: 8hrs 48mins
Which of the following are chemicals that travel in the blood and cause changes in different parts of the body?
Hormones
Glands
Parathyroid
Adrenal Gland
What is the main function of the endocrine system?
It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.
It creates electrical messages that are sent around the body to maintain homeostasis.
It maintains the correct level of oxygen in the body to maintain homeostasis.
It releases waste from the body to maintain homeostasis.
Exocrine glands secrete their products into ducts that carry the secretions into body cavities, into the lumen of an organ, or to the outer surface of the body.
True
False
Taken together, all endocrine glands and hormone-secreting cells constitute the __________ system.
nervous
endocrine
Hormones are chemically categorised into which two types?
hydrophilic
hydrophobic
messengers
target cells
Which hormones bind to receptors on the plasma membrane?
hydrophilic
hydrophobic
amino acids
steroid hormones
Water-soluble hormones, such as proteins and peptide hormones, activate target cells using ________.
direct gene activation
the second-messenger system
steroid hormone action
diffusion
Which hormones cross the phospholipid membrane to reach the receptors in the nucleus of the cell?
hydrophilic
hydrophobic
amino acids
steroid hormones
Controller of human hormones
ovary gland
hypothalamus
pituitary
pancreas
The pituitary gland is a pea-shaped structure that measures 1–1.5 cm (0.5 in.) in diameter. It attaches to the hypothalamus by a stalk, the infundibulum, and has two anatomically and functionally separate portions.
true
false
In the ____________portal system blood flows from capillaries in the hypothalamus into portal veins that carry blood to capillaries of the anterior pituitary.
hypophyseal
hyperphyseal
Which pathway corresponds to number 1?
direct pathway
indirect pathway
Which pathway corresponds to number 2?
direct pathway
indirect pathway
How many hormones are produced by the cells in the hypothalamus?
2
3
4
8
How many hormones are released by the pituitary gland?
2
3
6
9
Which hormone is released by the hypothalamus in response to low levels of glucose in the blood?
oxytocin
growth hormone releasing hormone
Which hormone is released by the hypothalamus in response to a low metabolic rate ?
growth hormone releasing hormone
thyrotropin releasing hormone
Which hormone is released by the hypothalamus in response to stress ?
growth hormone releasing hormone
corticotropin releasing hormone
Which hormone is released by the pituitary gland in response to exposure to the sun?
melanocyte stimulating hormone
neuronal stimulating hormone
Which hormone is released by the hypothalamus in response to low blood volume or high blood solute concentration ?
antidiuretic hormone
corticotropin releasing hormone
Which hormone is released by the parathyroid gland in response to low blood calcium levels?
antidiuretic hormone
parathyroid hormone
Which hormone is released by the pancreas in response to high blood glucose levels?
insulin
glucagon
Which hormone is released by the pancreas in response to low blood glucose levels?
insulin
glucagon
Which hormone is released by the pineal gland?
insulin
glucagon
melatonin
The hormones produced by the thymus promote the maturation of T cells.
true
false
As you already know, hormones travel to various places in the body, however they just act on cells that have the required receptors.
Some possible responses of hormones to a target cell includes:
1. Changing membrane permeability.
2. Invigorating synthesis of some proteins and enzymes. and
3. ........
Blocking viral DNA synthesis.
Alteration of metabolic pathways inside the cells.
What is up regulation and down regulation of receptors?
Causes milk let down
oxytocin
progesterone
prolactin
LH
Oxytocin travels through the bloodstream to the uterus.
Stimulus
Motor Output
Response
Sensory Input
Integration
The acronym GnRH, FSH and LH stand for:
Gonadotropin-retracting hormone, follicle stimulating hormone, luteinising hormone
Gonado- releasing hormone, follicle stimulus hormone, looting hormone
Gonadotropin-reacting hormone, follicle stopping hormone, lutenising hormone
Gonadotropin-releasing hormone, follicle stimulating hormone, lutenising hormone
Read this https://www.ncbi.nlm.nih.gov/books/NBK279388/
and fill in the relevant part of your lab manual.
okay
no way Jose
Read pages 586-590 to learn about the adrenal gland and then fill in the relevant part of your lab manual.
okay Nat, you are the boss
who's Nat?
Read pages 591 - 593 to learn about the gonads and then fill in the relevant part of your lab manual.
okay Nat
no thanks
Read pages 590 - 591 to learn about the pancreas and then fill in the relevant part of your lab manual.
okey dokey
nope, not today
