Prelab + Quiz 4 - Weeks 7-8

Question 1

What is a digestive organ that has both exocrine and endocrine function?

Answer 1

pancreas

Question 2

Which of the following is NOT a part of the large intestine?

cecum
anal canal
glottis
ascending colon
rectum

Answer 2

glottis

Question 3

There are three respiratory exchanges in trying to move oxygen to cells and remove carbon dioxide from the body: ventilation, external (pulmonary) respiration and internal (tissue) respiration. Which exchange is NOT driven by a difference in partial pressures?

Answer 3

ventilation

Question 4

Which structure closes off the nasal cavity during swallowing?

Answer 4

uvula

Question 5

In order to regulate respiration chemoreceptors “monitor” the levels of O2, CO2 and H+ in the blood and what other body fluid?

Answer 5

cerebrospinal fluid

Question 6

The fingerlike projections of the small intestine are called:

Answer 6

vili

Question 7

the stomach and duodenum are separated by

Answer 7

the pyloric sphincter

Question 8

the small intestine and large intestine are separated by

Answer 8

the ileocecal sphincter

Question 9

the esophagus and the stomach are separated by

Answer 9

the LES

Question 10

the pharynx and the esophagus are separated by

Answer 10

the UES

Question 11

the large intestine and the exterior are separated by

Answer 11

the anal sphincter

Question 12

What is the one-word term that means lack of oxygen at a tissue level?

Answer 12

hypoxia

Question 13

what part of the brain is the respiratory control center?

Answer 13

the pons

Question 14

which respiratory structure is surrounded by a two-walled sac

Answer 14

lungs

Question 15

which respiratory structure has lateral walls that have conchae and meati

Answer 15

nasal cavity

Question 16

which respiratory structure has 16-20 rings of cartilage embedded in its walls

Answer 16

trachea

Question 17

which respiratory structure contains the cricoid, arytenoid and thyroid cartilages

Answer 17

larynx

Question 18

which respiratory structure contains the opening to the auditory/eustachian tube

Answer 18

pharynx

Question 19

which respiratory structure are one cell thick

Answer 19

alveoli

Question 20

The vocal folds (cords) are located in which respiratory structure?

Answer 20

larynx

Question 21

The common bile duct and pancreatic duct may either merge or stay separate before they enter which part of the small intestine?

Answer 21

duodenum

Question 22

Which of these would be the primary site for the chemical digestion of lipids?

cecum
pancreas
small intestine
liver

Answer 22

small intestine

Question 23

list the 3 parts of the small intestine

Answer 23

duodenum
jejunum
ileum

Question 24

What is the collective name for the membrane that consists of the mesentery, greater omentum, lesser omentum and falciform ligament?

Answer 24

peritoneum

Question 25

Neither oxygen nor carbon dioxide travel very well in the blood as a freely dissolved gas. The greatest percentage of CO2 in the blood is combined with hydrogen to be carried as what?

Answer 25

bicarbonate

Question 26

What substance is secreted by both the esophagus and pharynx?

Answer 26

mucus

Question 27

____ - cavities/spaces in the lateral walls of the nasal cavity

Answer 27

meati

Question 28

____ - bulges in the large intestine

Answer 28

haustrae

Question 29

____ - folds in the walls of the stomach

Answer 29

rugae

Question 30

____ - hair-like projections in the trachea

Answer 30

cilia

Question 31

_____ - “flaps” in the lateral walls of the nasal cavity

Answer 31

conchae

Question 32

Name a specific division of the nervous system that stimulates digestion.

Answer 32

parasympathetic
enteric

Question 33

Where is bile stored and concentrated?

Answer 33

gallbladder

Question 34

How many layers of smooth muscle make up the muscularis of the stomach?

Answer 34

three

Question 35

The site where the greatest volume of water is typically absorbed is the:

Answer 35

small intestine

Question 36

Name two specific substances found in saliva.

Answer 36

salivary amylase
lysozome

Question 37

Where in the digestive system does significant chemical digestion of proteins begin?

Answer 37

stomach

• once pepsin is activated, significant chemical breakdown of proteins begins.

Question 38

Name one muscle of:

A. Inhalation

B. Exhalation

Answer 38

A. Diaphragm

B. Rectus abdominis, internal intercostals

Question 39

The basic rhythm of breathing is controlled where in the body?

Answer 39

the brains stem