Quiz today (Digestive)

Question 1

is a continuous tube that begins at the mouth and ends at the anus.

Answer 1

Digestive System

Question 2

It is covered with taste buds and raised elevations called papillae

Answer 2

tongue

Question 3

tongue taste buds

Answer 3

sweet, sour, salty, bitter, umami, savory

Question 4

The teeth are used for chewing the food. This is a process also known as?

Answer 4

Mastication

Question 5

The food is broken apart and mixed with saliva to form a —————– , ready to be swallowed.

Answer 5

bolus

Question 6

The food is moved down the esophagus toward the stomach by wavelike muscular contractions called

Answer 6

peristalsis

Question 7

This is a muscle valve that permits the passage of food, but not the backup of stomach contents under normal conditions.

Answer 7

Lower Esophageal Sphincter

Question 8

is a muscular, expandable organ, the upper portion called the fundus and the lower portion called the antrum.

Answer 8

stomach

Question 9

Hydrochloric acid and other gastric juices convert the food to a semiliquid state called ————–

Answer 9

chyme.

Question 10

is about 21 feet long and 1” diameter, extending from the pyloric sphincter valve to the large intestine

Answer 10

small intestine

Question 11

is the foot-long section just beyond the stomach

Answer 11

duodenum

Question 12

in the duodenun: the jejunum is the next ——————- , and the ileum is the remaining ———————–.

Answer 12

8 feet, 12 feet

Question 13

The liver’s primary contribution to digestion is the production of ————– which drains into the duodenum, and some is stored in the gallbladder

Answer 13

bile or gall

additional - It travels through the hepatic ducts, which merge together. Bile helps digest fats. The liver also stores iron and the fat-soluble vitamins A, D, E, and K.

Question 14

its primary contribution to digestion is the production of bile or gall which drains into the duodenum, and some is stored in the gallbladder

Answer 14

liver

Question 15

The —————- secretes pancreatic juice into the duodenum via the pancreatic duct which merges with the common bile duct.

Answer 15

pancreas, pancreatic duct

Question 16

lined with hair-like protrusions calIed villi. They slow the passage of food, and allow food particles to be captured in among these finger-like villi – so that the blood inside the villi can absorb the nutrients in the food

Answer 16

jejunum, ilium

Question 17

. ————- collect amino acids (proteins) and glucose (simple sugars). —————- collect absorbed fatty acids.

Answer 17

Villus capillaries, Villus lacteals

Question 18

The function of the ————— is to absorb the remaining water and nutrients from indigestible food matter, store unusable food matter (wastes), and then eliminate the wastes from the body

Answer 18

large intestine, or bowel,

Question 19

large intestine size

Answer 19

The large intestine is only about 4-5 feet in length, and 2 ½ inches in diameter.

Question 20

where feces are stored until they leave the digestive system, through the anus as a bowel movement.

Answer 20

rectum

Question 21

For defecation or egestion, we consciously relax the ————— muscle to expel the waste through the anus.

Answer 21

external anal sphincte