Test 3

Question 1

3 factors that affect breathing

Answer 1

Co2, O2 and PH

Question 2

Alveolar ventilation

Answer 2

air flow to the alveoli

Question 3

alveolar perfusion

Answer 3

blood flow to the alveoli

Question 4

General function of digestive system

Answer 4

prepares food for absorption and use by all cells of the body

Question 5

Path of food through digestive system (4 organs)

Answer 5

esophagus, stomach, small intestine, large intestine

Question 6

3 accessory organs. and how each one contributes to digestion

Answer 6

liver-produce bile
gallbladder-stores bile
pancreas-secretes digestive enzymes

Question 7

3 functions of the liver

Answer 7

detoxification
bile secretion
storage of substances such as iron

Question 8

3 functions of the stomach

Answer 8

• resevoir for food until it is partially digested
• secretes gastric juices to aid in digestion of food
• limited absorption

Question 9

Organ where most absorption takes place

Answer 9

small intestine

Question 10

Mechanical digestion

Answer 10

changes ingested food from large particles into small particles to facilitate chemical digestion

Question 11

chemical digestion

Answer 11

breakdown of large MOLECULES into small molecules

Question 12

peristalsis

Answer 12

a wave like ripple of the muscle layer of a hollow organ that produces forward movement along GI tract

Question 13

Segmentation

Answer 13

digestive reflexes cause a back and forth movement within a single segment of the GI tract

Question 14

Urinary system organs (3)

Answer 14

kidneys
bladder
urethra

Question 15

function of the kidney

Answer 15

PRIMARY FUNCTION: process blood and form urine
-second function: maintain water salt balance, excretion of metabolic wastes, maintaining a blood ph, secretion of hormones

Question 16

function of the bladder

Answer 16

stores urine

Question 17

function of urethra

Answer 17

.

Question 18

3 sections of kidneys

Answer 18

medulla, cortex, pelvis

Question 19

Filtration

Answer 19

first step in blood processing that occurs in renal corpuscles (takes stuff out of blood into tubes)

Question 20

tubular reabsorption

Answer 20

second step in urine formation (occurs as a result of passive and active transport mechanisms from all parts ) –reabsorb back into blood stream

Question 21

tubular secretion

Answer 21

secreting out of blood stream

Question 22

what is used to regulate water and is actively transported

Answer 22

sodium

Question 23

3 regulating hormones

Answer 23

ADH, Aldosterone, Atrial Natriuretic Hormone (ANH)

Question 24

3 regulating hormones (absorption of water)

Answer 24

ADH-increases water reabsorption
Aldosterone-increase of water reabsorption
ANH-Decrease of water reabsorption