bio 224 digestive and respiratoy quiz

Question 1

In normal inspiration the amount of air that is actually availbe for gas exchange is about ____ mL

Answer 1

350

Question 2

which region of the pharynx is located postieror to the oral cavity and superior to the larynx

Answer 2

oropharynx

Question 3

Gernaly speaking all of the following structure are not lined with simple squamous EXCEPT

Answer 3

alveoli

Question 4

partial oressure of oxygen in venous blood is approximately

Answer 4

40 mm Hg

Question 5

which of the following events will most likely results in a pneumothroax

Answer 5

air enters the intrapleural space

Question 6

If there is an accumulation of acidic products in the plasma one would expect

Answer 6

increase in respiration rate

Question 7

Functions of the lungs include

Answer 7

gas exchange, acid-base and hormone conversion

Question 8

Atelectasis ( collapse of the lung) in prevented by

Answer 8

High surface tension of the pleural fluid

Question 9

All of the following are accessory muscles of repiration except

Answer 9

diaphragm

Question 10

all of the follwoing are components of the upper respiratory tract EXCEPT the

Answer 10

trachea

Question 11

all of the follwoing structures are invloved in condusing air except

Answer 11

alveoli

Question 12

dust cells are

Answer 12

alveolar macropahges

Question 13

Eupnea is

Answer 13

normal breathing

Question 14

Laryngitis is an infection of the mucosal epthilium of the

Answer 14

larynx

Question 15

which of the follwoing conditions will increase the affinity of hemoglobin for oxygen

Answer 15

decreased H+

Question 16

Normal blood pH is 7.4. If blood pH s 7.0 which directions will the oxy-hemo dissocaition curve shift

Answer 16

the right baseline

Question 17

Inspired air filtrated, warmed and humidified by all of the following structures EXCEPT the

Answer 17

alveoli

Question 18

cyanosis secondary to pulmonary edema results from

Answer 18

decreased alveolar perfusion

Question 19

If compliance increases lung expansion is

Answer 19

easier

Question 20

Mr jones has a blood pH of 7.00 and a temp of 100.5 . His oxy-hemo curve would

Answer 20

Shift to the right causing more 02 to be relaesed to his cells

Question 21

which of the following factors increases repiratory rate

Answer 21

incaresed blood pCO2

Question 22

lungs are found within 2 cavities called the

Answer 22

pleural and thoracic cavities

Question 23

thyroid cartilage commonly known as the

Answer 23

adams apple

Question 24

Diaphram is innervated by the

Answer 24

phernic nerve

Question 25

which of the follwoing lung vloumes cannot be messured directly

Answer 25

residual vloume

Question 26

as a compensatory mehcanicum a decrased in arteial PCO2 will result in

Answer 26

hypoventilation

Question 27

ventilation refers to the

Answer 27

movement of air into and out the lung

Question 28

which of the follwoing statments is most correct

Answer 28

as alveolar vloume incrasees, alveolar pressure decreaese

Question 28

a protective fucntion of the respiratory system would be

Answer 28

prevnting microorganisums entering the body

Question 29

mr. huff and puff exhales normally

Answer 29

residual vloume

Question 30

the diestive ystme process food into __ that ca be absored and utilized by te cells

Answer 30

molecules

Question 32

the outer most layer of the esophagus is the

Answer 32

serosa

Question 33

Primary site for nutient absorption

Answer 33

SI

Question 34

Contractions that mix materials in the SI are called

Answer 34

segmental contrcations

Question 35

Epithlium of mouth, oropharynx and anal canal is

Answer 35

stratified squamous

Question 36

Stimi of parasympathetic in the GI tract will cause

Answer 36

stimulation of local secretions

Question 37

Trypsinogen when activated by ___ will brekadown protiens in the ___

Answer 37

enterokinase; SI

Question 38

Galbladder

Answer 38

stores and concreates bile

Question 39

salivary glands

Answer 39

secret anzymes to aid in digestion

Question 40

Liver

Answer 40

STOREs iron and produces clotting factors

Question 41

Vacoative intestinal peptide

Answer 41

increased intestinal blood flow

Question 42

motilin

Answer 42

stimi mirgrating motor comples of the SI

Question 43

Somatostatin

Answer 43

decrease acid sercetion by parietal cells

Question 43

gastrin

Answer 43

stimulate parietal cells to increase acid secretion

Question 44

Cholecytokin

Answer 44

stimi contraction of gallbaldder and relaxation of hepatopancreatic sphincter

Question 45

secretin

Answer 45

stimi and release bicarbonate ion from pancreatic duct cells

Question 46

Vitamin E

Answer 46

antioxidant

Question 47

vitamin c

Answer 47

coenzyme in collagin synthesis

Question 48

vitamin K

Answer 48

required for synthesis of coltting factors

Question 49

calcium ions

Answer 49

involved in muscle contraction and bone hardening