Chapters 4&9 Hormones and Wellness Flashcards
What are the body functions that hormones regulate?
Sexual function, growth, and metabolism
Which types of glands secrete hormones?
Endocrine
How many major endocrine glands are in the human body?
8
What are some other glands found in the human body?
Exocrine glands, sebaceous glands, sudoriferous glands, and apocrine glands
What are trophic hormones?
Signal hormones, they cause other glands to make hormones
Name some things the hormones produced by the pituitary gland do
follicle-stimulating hormone (FSH) causes production of sex hormones, regulate fluid retention in body, control growth, and cause the female breasts to produce milk
Which gland ties the nervous system to the endocrine system?
Hypothalamus
What are the two main hormones secreted by the thyroid gland?
Thyroxine and triiodothyronine
What is overactivity of the thyroid gland called?
Hyperthyroidism
What is underactivity of the thyroid gland called?
Hypothyroidism
List some symptoms of hyperthyroidism
Clinical symptoms: Weight loss, rapid heartbeat, moodiness or irritability, irregular menstrual cycles, hand tremors, loose bowel movements
Skin symptoms: feelings of warmth flushing or redness, intolerance of heat, itchiness, fast growing nails or nails that lift off the nail bed, thinning or fine hair, myxedema, hives
List some symptoms of hypothyroidism
Clinical symptoms: weight gain, tiredness or fatigue, depression, heavy menstrual periods, joint pain, constipation, poor balance
Skin symptoms: dry and flaky skin, coarse skin texture, brittle and dry nails and hair, intolerance to cold, facial puffiness
Which glands contain a medulla and a cortex?
The adrenal glands
What does the medulla of the adrenal glands make?
Adrenaline and noradrenaline (known as epinephrine and norepinephrine)
What does the cortex of the adrenal glands make?
Steroid hormones
What do corticoids help do?
Regulate metabolism and the body’s use of carbs, proteins, and fats, maintain water balance, and regulate sodium and potassium levels
Which corticoids regulate blood sugar?
Glucocorticoids
Which corticoids regulate blood minerals and male hormones?
Mineralcorticoids
______ is the major glucocorticoid, which is also called the stress hormone
Cortisol
What is long term cortisol production related to?
Type 2 diabetes, high blood pressure, upper body weight gain, and obesity
The pineal gland produces ______, a specialized hormone that regulates the body’s circadian rhythm
Melatonin
Where are the islets of Langerhans located? And what do they do?
The pancreas
They manufacture insulin, which regulates blood sugar or gluocose levels
______ is caused by failure of the pancreas to secrete insulin. (sometimes called juvenile diabetes)
Type 1 diabetes
<10% of people who diabetes have type 1