Exam 5 physio

Question 1

As testosterone levels increase, a negative/positive feedback effect causes the mechanism to reduce secretions of GnRH and LH.

Answer 1

Negative

Question 2

Females are born with their entire lifetime supply of oocytes.

Answer 2

True

Question 3

Every month, from puberty until menopause, ____ and _____ are released by the anterior pituitary gland and stimulate follicle growth and maturation.

Answer 3

Follicle-stimulating hormone-FSH
Luteinizing hormone-LH

Question 4

With the onset of puberty, the hypothalamus intensifies its secretion of ___

Answer 4

Gonadotropin-releasing hormone (GnRH)

Question 5

What 2 hormones are produced by the ovaries?

Answer 5

Estrogen and Progesterone

Question 6

What are 2 major changes for both boys and girls during puberty?

Answer 6

Growth of hair, muscles, breast

Question 7

What hormones casue these changes?

Answer 7

Estrogen, progesterone, testosterone

Question 8

What hormone release by the gonads of both males and females exerts a negative feedback loop?

Answer 8

Inhibin

Question 9

How many sperm are produced everyday?

Answer 9

90 million

Question 10

_____ in the Saliva is most important in the digestion of Carbohydrates?

Answer 10

Salivary Amylase

Question 11

Parasympathetic Nervous System(PNS) primary though ______ (CN X).

Answer 11

Vagus Nerve

Question 12

Proteins are denatured by HCL in the stomach and further broken down by ___?

Answer 12

Trypsin

Question 13

In what 2 organs does chemical digestion take place ___ and ____

Answer 13

Mouth, Stomach, Liver, Pancreas, small intestine

Question 14

The stomach secretes what substance’s for digestion

Answer 14

pepsin, lipase, mucus, HCL for digestion

Question 15

What 2 processes of digestion take place in the small intestine?

Answer 15

Digests food, absorb nutrients

Question 16

What takes place in the large intestines?

Answer 16

Absorb water and salts

Question 17

Which organ produces bile (main function), which emulsifies fat?

Answer 17

Liver

Question 18

What organ promotes erythropoiesis when bone marrow production is insufficient?

Answer 18

Liver

Question 19

If bile contains too much cholesterol or too much bilirubin, the bile turns into hard, pebble-like masses called_____?

Answer 19

gallstones

Question 20

What is the chemical blueprint of life that is house in the nucleus of every human cell?

Answer 20

DNA

Question 21

What is our most important breath?

Answer 21

First after birth

Question 22

Where are the alveoli and how do they work?

Answer 22

in the lungs - where O2 and Co2 are exchanged

Question 23

How many messages does the developing brain send?

Answer 23

approximately 100 trillion calculations per second

Question 24

Why does breast milk help a baby stay healthy?

Answer 24

provides antibodies and nutrient’s that protect against diseases and infections