Chemical messengers secreted by the endocrine system into the blood that acts to create a response or change.
100
RBC contain what important protein for the transportation of O2 or CO2?
Hemoglobin
100
Why are steroids so dangerous?
They are lipid soluble, they stay for a long time, they can go almost anywhere, you can't really get rid of them.....anything else?
200
What three colors of cones are there?
Red, green, and blue
200
Ceruminous glands can be found here.
auditory ear canal
200
Give two examples of exogenous hormones.
Steroids
Hormonal birth control
Estrogen in pesticides
ADHD drugs
Insulin (diabetics)
200
The formation of new RBC is called what?
Erythropoiesis
200
What causes dwarfism?
HGH deficiency in childhood
300
This term refers to having a normal lens.
Emmetropic
300
Name the auditory ossicles.
Mallus, inces, stapes
300
What are the five main functions of the endocrine system?
1. Metabolism and tissue maturation
2. Ion regulation
3.Water balance
4. Immune system regulation
5. Heart rate and blood pressure regulation
See page. 426
300
What are the five main functions of blood?
1. Transportation
2. Regulation of electrolytes and pH
3. Restricting fluid loss after injury
4. Defense against toxins and pathogens
5. Stabilization of body temp
300
What is the best way to look at am image at night? Why?
Look to the side (left or right) of the object, not directly at it, so that you are engaging the rods in your perif vision.
400
Myopia vs hyperopia? What are they and what causes them?
What about presbyopia?
Myopia- near sided. the eyeball is to deep
Hyperopia- far sided, the eyeball is too shallow
Presbyopia- are related hyperopia; caused by a loss of elastisity
400
This duct is where sound becomes fluid and contains what kind of fluid?
Vestibular duct or tymanic duct; perilymph
400
Differentiate between hyper and hypothyroidism. Give an example of each.
Hyperthyroidism- excitability, weight loss, muscle weakness, inability to sleep, protruding eyeballs (ex: Grave disease)
Hypothyroidism- all of the opposites (ex: Goiters)
400
How is your hemocrit value determined?
Ratio of RBC to total blood value
400
What connects the middle ear to the pharynx
Eustachian tube
500
How do we preserve the image that we see?
How is that fixed.
We see the image upside down.
The visual cortex in the occipital lobe does this.
500
Explain why steriocillia are most related with age related deafness
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500
I have endocrine cells a capillary network, and am responsible for hormones such as HGH and TSH.
What am I?
Anterior Pituitary
500
Blood is made up of plasma and formed elements. What are the components of each?