2nd ASSESSMENT

Question 1

Which of the following cannot be measured using spirometry?

Answer 1

Residual volume

Question 2

The horizontal fissure separates:

Answer 2

The right superior lobe from the middle lobe

Question 3

Functional residual capacity (FRC) =

Answer 3

ERV + RV

Question 4

Which of the following vessels supplies the lungs themselves with oxygen?

Answer 4

Bronchial artery

Question 5

Respiratory epithelium is:

Answer 5

Pseudostratified columnar ciliated

Question 6

Parietal pleura have

Answer 6

Squamous mesothelial cells

Question 7

Which of the following does not belong to the conducting portion of the respiratory system?

Answer 7

Alveoli

Question 8

Which of the following statements about partial pressures of gases is true?
• PO2 in blood is greater than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues
• PO2 in blood is less than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues
• PO2 in blood is greater than PO2 in tissues; PCO2 in blood = PCO2 in tissues
• PO2 in blood is greater than PO2 in tissues; PCO2 is greater than PCO2 in tissues
• PO2 in blood is less than PO2 in tissues; PCO2 in blood is greater than PCO2 in tissues

Answer 8

PO2 in blood is greater than PO2 in tissues; PCO2 in blood is less than PCO2 in tissues

Question 9

The volume of air that can be exhaled after normal exhalation is the:

Answer 9

Expiratory reserve volume

Question 10

The primary stimulus for breathing is concentration of:

Answer 10

Carbon dioxide in the blood

Question 11

The exchange of gases occurs in the:

Answer 11

Alveoli

Question 12

Which of the following describes a correct order of structures in the respiratory passageways?
• Pharynx > trachea > larynx > bronchi > bronchioles
• Larynx > pharynx > trachea > bronchioles > bronchi
• Pharynx > larynx > trachea > bronchi > bronchioles
• Trachea > pharynx > larynx > bronchi > bronchioles

Answer 12

Pharynx > larynx > trachea > bronchi > bronchioles

Question 13

The lingula is found:

Answer 13

On the medial aspect of the left lung

Question 14

The potential space between the visceral and parietal pleura is known as the:

Answer 14

Pleural cavity

Question 15

Oxygen-rich blood is carried through pulmonary arteries from the lungs to the heart.

Answer 15

False

Question 16

The lungs and visceral pleura receive parasympathetic innervation from:

Answer 16

Vagus nerve

Question 17

The exchange of gases between blood and cells is called:

Answer 17

Internal respiration

Question 18

Pneumocytes that secrete surfactant

Answer 18

II

Question 19

The structure which closes off the larynx is the?

Answer 19

Epiglottis

Question 20

The oblique fissure

Answer 20

Is found in both the right and left lungs, separating the middle and inferior, and superior and inferior lobes respectively

Question 21

Which of the following statements about partial pressures of gases is true?
• PO2 in lung is greater than PO2 in blood; PCO2 in lung = PCO2 in blood
• PO2 in lung is greater than PO2 in blood; PCO2 in lung is less than PCO2 in blood
• PO2 in lung is less than PO2 in blood; PCO2 in lung is less than PCO2 in blood
• PO2 in lung is less than PO2 in blood; PCO2 in lung is greater than PCO2 in blood
• PO2 in lung is greater than PO2 in blood; PCO2 in lung is greater than PCO2 in blood

Answer 21

PO2 in lung is greater than PO2 in blood; PCO2 in lung is less than PCO2 in blood

Question 22

Which of the following is not a subdivision of the parietal pleura?

Answer 22

Visceral

Question 23

Type I pneumocytes are:

Answer 23

Squamous

Question 24

The external intercostals contract during inspiration

Answer 24

True

Question 25

Which of the following is the most abundant cell in the alveoli?

Answer 25

Type II alveolar cells

Question 26

Most oxygen in the blood is transported?

Answer 26

As oxyhemoglobin

Question 27

Gas exchange in the lungs happens by the process of?

Answer 27

Diffusion

Question 28

The apex of the lung is covered by:

Answer 28

Cervical pleura

Question 29

FRC (Functional Reserve Capacity) is best characterized as: • The volume of gas present in the lungs when the respiratory muscles are totally relaxed • The volume of gas present in the lungs after a patient takes a normal tidal volume • The maximal volume of gas a patient can exhale starting from the normal end-expiratory lung volume • The volume of gas a patient can inhale from the end-inspiratory point of tidal volume to total lung capacity • The volume of gas present in the lungs when patient has exhaled as much as she can

Answer 29

The volume of gas present in the lungs after a patient takes a normal tidal volume

Question 30

The volume of air in a normal breath is called:

Answer 30

Tidal volume