Third partial Flashcards
What does skin do?
Provides a layer of protection against pathogens, physical abrasions, and radiation
Which are the three skin layers?
-Epidermis -Dermis -Hypodermis
How does the skin help maintain homeostasis?
By maintaining a constant body temperature and making the body aware of external stimuli with the sense of touch
Which are the skin’s main functions?
-Protection -Thermoregulation -Sensation -Synthesis of vitamin D -Excretion of salts and wastes through sweat
Which are the epidermis’ five layers?
-Stratum Basale -Stratum Espinosum -Stratum Granulosum -Stratum Lucidum -Stratum Corneum
What does the dermis give?
Strength, extensibility and felxibility
Which are some of the accessory organs of the skin?
-Hairs -Nails -Sweat glands -Different glands
What is melanoma?
Skin cancer that forms in melanocytes
Where does melanoma begin?
In the epidermal basal layer
Which are some of the risk factors for melanoma?
-Fair skin -Tendency to burn -Intense bursts of sun exposure -Moles -Genetics
Which are the three types of burns?
-Chemical -Electrical -Thermal
Which part of the skin is damaged in a first degree burn?
Epidermis
Which part of the skin is damaged in a second degree burn?
Epidermis & partial thickness of the dermis
Which part of the skin is damaged in a third degree burn?
Epidermis, dermis & deeper tissues
What does the endocrine system consist of?
The endocrine hormones and the glands that produce them
What is the hypothalums?
The part of the brain that contains neurosecretary cells
What is the pituitary gland?
Where hormones are produced
Which hormone is produced in the hypothalamus (to anterior pituitary) and which are its functions?
Tropic hormones
Influence another gland’s hormone production
Which hormone is produced in the anterior pituitary and which are its functions?
Growth hormone
Promotes growth and development of all tissues.
Stimulates cells to take more amino acids, to move fats, and release glucose for energy.
Increseases the cell division into cartilage and bone for growth.
Which hormone is produced in the hypothalamus (to posterior pituitary) and which are its functions?
Antidiuretic hormone & Oxytocin
Released when neural activity in the brain stimulates neurosecretory cells
Which hormone is produced in the thyroid and which are its functions?
Thyroxine & Triiodothyronine
Increase the rate of cellular metabolism in target cells
Which hormone is produced in the parathyroid and which are its functions?
Parathyroid hormone
Maintains calcium levels in blood and tissue fluid
Which hormone is produced in the pancreas and which are its functions?
Polypeptides
Regulate the body’s use of nutrients
Which hormone is produced in the testes and which are its functions?
Testosterone
Stimulates sperm production, and the development of secondary sexual features.
Controls prostate gland function
Which hormone is produced in the ovaries and which are its functions?
Estrogen & Progesterone
Stimulate the development of female sexual features.
Control the menstrual cycle.
Which hormone is produced in the adrenal cortex and adrenal medulla, and which are its functions?
Epinephrine (adrenaline) & norepinephrine (noradrenaline)
Help the body respond to and survive emergencies
What is cortisol?
Hormone released in response to stress, trauma, or exposure to extreme temperatures; which promotes the use of fats as energy
What is aldosterone?
Hormone that controls sodium concentrations