chapter 17-19

Question 1

which group represents the organs (not accessory organs) of the digestive system?

Answer 1

pharynx, esophagus, stomach and large intestines.

Question 2

what is the name of the section of the small intestines where most chemical digestion and absorption occurs?

Answer 2

jejunum.

Question 3

along with the villi, what other modifications of the small intestines increase the surface area?

Answer 3

plicae circulares, and the microvilli and hair.

Question 4

the function of the large intestine is?

Answer 4

absorption of electrolytes and the absorption of water, formation of feces.

Question 5

the functions of the digestive system are?

Answer 5

mechanical and chemical digestion.

Question 6

which section of the alimentary canal connects the pharynx to the stomach?

Answer 6

esophagus.

Question 7

neural control of the digestive system is controlled m ost of the time by the?

Answer 7

parasympathetic nervous system.

Question 8

the large intestine consists of?

Answer 8

colon, rectum, and cecum.

Question 9

what are the hormones that help control the secretion of the digestive system?

Answer 9

gastrin, cholecystokinin and secretin.

Question 10

which structure in the stomach allows for expansions of the stomach?

Answer 10

rugae.

Question 11

vitamins are?

Answer 11

organic compounds.

Question 12

which are an essential amino acids?

Answer 12

histidine and valine.

Question 13

what happens to excess glucose in a healthy individual?

Answer 13

stored as adipose tissue and stored as glycogen.

Question 14

which is the definition of malnutrition?

Answer 14

an inability to use essential nutrients and poor nutrition that results from a lack of essential nutrients.

Question 15

edema can be a results from inadequate proteins consumption?

Answer 15

true.

Question 16

the respiratory membrane is composed of?

Answer 16

squamous epitheial cells from alveolar walls and pulmonary capillary walls with fused basement membrane in between.

Question 17

what are the major functions of the respiratory system?

Answer 17

filter, moisten and warm incoming air.
transport air into the body, into the lungs, and to the many microscopic air sacs.
exchange the gases, oxygen and carbon dioxide.

Question 18

the two chemicals that affect breathing control the most are?

Answer 18

C02 and hydrogen ions (H+).

Question 19

which three parameters combine to make vital capacity?

Answer 19

tidal volume, expiratory reserve volume and inspiratory reserve volume.

Question 20

what is the name of the microscopic air sacs in the lungs.

Answer 20

alveoli.

Question 21

which process are involved with respiration?

Answer 21

internal respirations, external respiration and cellular respiration.

Question 22

which of the following are the primary respiratory muscles?

Answer 22

diaphragm and external intercostal.

Question 23

which are functions of the upper respiratory tract?

Answer 23

warm incoming air, filters incoming air and moisten incoming air.

Question 24

the propulsion motion of the alimentary canal is called?

Answer 24

peristalsis.

Question 25

the band of circular smooth muscle that is located between the esophagus and the stomach is called the?

Answer 25

cardiac sphincter.

Question 26

an incomplete protein has.

Answer 26

an inadequate amount of essential amino acids.

Question 27

which hormones enhance appetite?

Answer 27

ghrelin.

Question 28

what is the cause of secondary malnutrition?

Answer 28

some characteristics the person’s body renders adequate diet not adequate.

Question 29

the upper respiratory tract include?

Answer 29

nose, nasal cavity and pharynx.

Question 30

C02 is carried primary in blood plasma as?

Answer 30

bicarbonate ions.

Question 31

surfactant reduces _____ allowing expansion of the lungs.

Answer 31

surface tension.

Question 32

the amount of air that moves into or out of the lungs during regular breathing is?

Answer 32

tidal volume.