Finals Quizzes

Question 1

Most of the oxygen entering the blood is transported

a. as dissolved gas in the blood plasma

b. converted to bicarbonate ions

c. bound to hemoglobin in red blood cells

d. bound to plasma proteins in the plasma

Answer 1

c. bound to hemoglobin in red blood cells

Question 2

The is the common passageway for the respiratory and digestive systems.

a. Esophagus

b. Larynx

c. Pharynx

Question 3

What prevents a lot of the particles you breathe from reaching the lungs?

a. Mucosa lining in the nose

b. Tonsils

c. Ciliated mucous lining the nose

d. Epiglottis

Answer 3

c. Ciliated mucous lining the nose

Question 4

The exchange of gases between the blood and the cells of the body is called

a. Cellular Respiration

b. Pulmonary Ventilation

c. External Respiration

d. Internal Respiration

Answer 4

d. Internal Respiration

Question 5

Arrange the following structures to show the path an oxygen molecule would follow once inhale.

(1) Alveolus(2) Bronchus (3) Bronchiole (4) Laryngopharynx(5) Larynx(6) Nasal cavity(7) Nasopharynx (8) Oropharynx(9) Trachea

a. 6, 7, 8, 5, 4, 9, 2, 3, 1

b. 6, 8, 7, 4, 5, 9, 2, 3, 1

c. 6, 7, 8, 4, 5, 9, 3, 2, 1

d. 6, 7, 8, 4, 5, 9, 2, 3, 1

Answer 5

d. 6, 7, 8, 4, 5, 9, 2, 3, 1

Question 6

To increase CO2 levels in the blood, a person should

a. Hold their breath

b. Breathe faster than normal

c. All of the choices are correct

d. Take deeper and longer breaths

Answer 6

a. Hold their breath

Question 7

What is the opening to the larynx called?

a. laryngopharynx

b. Epiglottis

c. Trachea

d. mediastinum

Answer 7

b. Epiglottis

Question 8

What is the Adam’s apple directly part of?

a. Epiglottis

b. Cricoid cartilage

c. Thyroid cartilage

d. Tracheal rings

Answer 8

c. Thyroid cartilage

Question 9

Respiration ensures that exits the body enters the body and that

a. Oxygen; carbon dioxide

b. Carbon dioxide; oxygen

c. Carbon dioxide; water

d. Oxygen; water

Answer 9

a. Oxygen; carbon dioxide

Question 10

The only structures that allow gas diffusion across them are the.

a. Bronchioles

b. Bronchi

c. alveoli

d. alveolar ducts

Answer 10

c. alveoli

Question 11

The are branched from the trachea that insert into the lungs.

a. Esophagus

b. Primary bronchi

c. Alveoli

d. Pharynx

Answer 11

b. Primary bronchi

Question 12

What is a small division of the bronchi that brings air into the lungs?

a. Bronchioles

b. alveoli

c. alveolar duct

d. Ronchi

Answer 12

a. Bronchioles

Question 13

The space between the two lungs is called the

a. Pleural cavity

b. Mediastinum

c. Thoracic space

d. Pericardial cavity

Answer 13

b. Mediastinum

Question 14

Where are the pharyngeal tonsils located?

a. oral cavity

b. nasopharynx

c. oropharynx

d. laryngopharynx

Answer 14

b. nasopharynx

Question 15

What is another name for the windpipe?

a. Pharynx

b. Lungs

c. Trachea

d. Larynx

Answer 15

c. Trachea

Question 16

Which of the following is NOT a function of the respiratory system?

a. Olfaction

b. Gas exchange

c. Regulation of blood pH

d. Delivery of oxygen to the tissues of the body

Answer 16

d. Delivery of oxygen to the tissues of the body

Question 17

Oxygen moves from the lungs into the bloodstream through

a. A tube in the lungs called the jugular vein

b. Small blood vessels in the lungs

c. A large artery in the heart

d. Nerve fibres

Answer 17

b. Small blood vessels in the lungs

Question 18

What is the first structure in this respiratory sequence?

a. Larynx

b. Pharynx

c. Lungs

d. Trachea

Answer 18

b. Pharynx

Question 19

What is the function of the pleurae of the lungs?

a. Lubricating the lungs and reducing friction

b. Gives the lungs the ability to exchange the gasses needed

c. Houses the lungs

d. Gives the lungs its inhalation and exhalation properties

Answer 19

a. Lubricating the lungs and reducing friction

Question 20

Which of these functions cannot be attributed to the mucous membrane that lines the nasal cavity?

a. Initial gas exchange between air and blood occurs here

b. Moistens incoming air

c. Warms incoming air

d. Filters particles from incoming air

Answer 20

a. Initial gas exchange between air and blood occurs here