Exam 5 physio Flashcards
As testosterone levels increase, a negative/positive feedback effect causes the mechanism to reduce secretions of GnRH and LH.
Negative
Females are born with their entire lifetime supply of oocytes.
True
Every month, from puberty until menopause, ____ and _____ are released by the anterior pituitary gland and stimulate follicle growth and maturation.
Follicle-stimulating hormone-FSH
Luteinizing hormone-LH
With the onset of puberty, the hypothalamus intensifies its secretion of ___
Gonadotropin-releasing hormone (GnRH)
What 2 hormones are produced by the ovaries?
Estrogen and Progesterone
What are 2 major changes for both boys and girls during puberty?
Growth of hair, muscles, breast
What hormones casue these changes?
Estrogen, progesterone, testosterone
What hormone release by the gonads of both males and females exerts a negative feedback loop?
Inhibin
How many sperm are produced everyday?
90 million
_____ in the Saliva is most important in the digestion of Carbohydrates?
Salivary Amylase
Parasympathetic Nervous System(PNS) primary though ______ (CN X).
Vagus Nerve
Proteins are denatured by HCL in the stomach and further broken down by ___?
Trypsin
In what 2 organs does chemical digestion take place ___ and ____
Mouth, Stomach, Liver, Pancreas, small intestine
The stomach secretes what substance’s for digestion
pepsin, lipase, mucus, HCL for digestion
What 2 processes of digestion take place in the small intestine?
Digests food, absorb nutrients
What takes place in the large intestines?
Absorb water and salts
Which organ produces bile (main function), which emulsifies fat?
Liver
What organ promotes erythropoiesis when bone marrow production is insufficient?
Liver
If bile contains too much cholesterol or too much bilirubin, the bile turns into hard, pebble-like masses called_____?
gallstones
