Test 6 (Chapters 35, 36, 38)

Question 1

Which of the following structures is not apart of the upper respiratory tract?

Answer 1

Trachea

Question 2

Which part of the respiratory system does not function as an air distributor?

Answer 2

Alveoli

Question 3

Which sequence is the correct pathway for air movement through the nose and into the pharynx?

Answer 3

Interior nares, vestibules, nasal cavity meatuses, posterior nares

Question 4

Which of the following is not a paranasal sinus?

Answer 4

Mandibular

Question 5

The true vocal cords in the rima glottidis are called the:

Answer 5

Glottis

Question 6

Aspirated objects tend to lodge in the:

Answer 6

Right bronchus

Question 7

The fluid coating the alveoli that reduces surface tension is called:

Answer 7

Surfactant

Question 8

Which of the following is not an area of the lungs:

Answer 8

Superior Fissure

Question 9

True or false: Raising the ribs decreases the depth and width of the thorax

Answer 9

False

Question 10

Boyle’s law states what?

Answer 10

The volume of a gas is inversely proportional to its pressure

Question 11

When the diaphragm contracts, the volume of the thorax increases thoracic pressure:

Answer 11

Decreases, and air rushes into the lungs

Question 12

Quiet inspiration is the function of:

Answer 12

The diaphragm and external intercostal muscles

Question 13

During normal quiet respiration, the amount of air exchange between the lungs and atmosphere is called ______ and has a volume ______ mL.

Answer 13

Tidal volume: 500

Question 14

Functional residual capacities (FRC) equals:

Answer 14

ERC + RV

Question 15

Eupnea is a term used to describe:

Answer 15

Normal breathing

Question 16

Under normal conditions, air in the atmosphere exerts a pressure of:

Answer 16

760 mmhg

Question 17

Areas where gas exchange cannot take place are:

Answer 17

Anatomical dead spaces, nose pharynx/larynx, trachea and bronchi

Question 18

All of the following are regulated processes associated with the functioning respiratory system except:

Answer 18

Control of cell production

Question 19

Dalton’s law is also known as what?

Answer 19

The law of partial pressures

Question 20

The term that means the same thing as breathing is:

Answer 20

Pulmonary ventilation

Question 21

Which of the following does not occur during inspiration?

Answer 21

The diaphragm relaxes

Question 22

The young adult male can have the vital capacity of ____ mL.

Answer 22

4800

Question 23

The amount of air that can be forcibly exhaled after expiring the tital volume is known as the:

Answer 23

Expiratory reserve volume

Question 24

Which of the following is correct?

Answer 24

VC vile = TB + IRV + ERV vile

Question 25

The diving reflex is responsible for:

Answer 25

The astonishing recovery of near victims in cold water

Question 26

Starting from the deepest layer and moving toward the most superficial, the layers of the wall of the GI tract are:

Answer 26

Mucosa, submucosa, muscolaris, serosa

Question 27

The serosa is actually:

Answer 27

Visceral peritoneum

Question 28

The hard palate consists of portions of:

Answer 28

4 bones; 2 maxillae; 2 palentine

Question 29

Which of the following is an accurate description of salivary glands?

Answer 29

They secrete about 1 liter of saliva per day

Question 30

The crown of a tooth is covered with:

Answer 30

Enamel

Question 31

Teeth that do not appear as deciduous teeth are:

Answer 31

Premolars

Question 32

The act of swallowing moves a mass of food called a _____ from the mouth to the stomach.

Answer 32

Bonus

Question 33

Which of the following statements is not true of the esophagus?

Answer 33

It lies anterior to the trachea and posterior to the heart

Question 34

Which of the following controls the opening of the stomach into the small intestine?

Answer 34

Pyloric sphincter

Question 35

Which of the layers of the muscolaris is present only in the stomach?

Answer 35

Oblique muscle air

Question 36

The first baby tooth on average appears at age:

Answer 36

6 months

Question 37

The dentin of the tooth contains ____ which consists of connective tissue, blood, and lymphatic vessels and nerves

Answer 37

Pulp cavity

Question 38

Which of the following teeth is missing from the deciduous arch?

Answer 38

Second premolars

Question 39

The third molars generally erupt at the age of:

Answer 39

17

Question 40

A general term for an infection of the gum is:

Answer 40

Gingivitis

Question 41

The ducts of the _____ glands open into the floor of the mouth

Answer 41

Sublingual

Question 42

The stomach:

Answer 42

Secretes intrinsic factor

Question 43

Another name for the third molar is:

Answer 43

Wisdom tooth

Question 44

After food has been chewed, it is formed into a small rounded mass called:

Answer 44

Bolus