Question 1

What gas or gas mixture does a patient breathe when the body plethysmography method is used?

Accepted Answer

A)   room air
B)   100% N2
C)   100% O2
D)   He-O2 mixture A

Question 2

In which test would the patient be instructed to exhale as forcefully,rapidly,and completely as possible after taking in a maximal inspiration?

Accepted Answer

A)   FVC
B)   SVC
C)   MVV
D)   FIC A

Question 3

What portion of the FVC cannot be influenced by further muscular effort?

Accepted Answer

A)   last 70%
B)   first 70%
C)   first 30%
D)   last 30% A

Question 4

Which pulmonary function test in essence assesses the status of the alveolar-capillary membrane?

Accepted Answer

A)   DLCO
B)   PEFR
C)   MVV
D)   bronchial provocation test

Question 5

Which one of the lung capacites is the smallest?

Accepted Answer

A)   FRC
B)   IC
C)   TLC
D)   VC

Question 6

Which of the following are examples of restrictive lung disorders?
I.Flail chest
II.Emphysema
III.Pleural effusion
IV.Cystic fibrosis

Accepted Answer

A)   I and III only
B)   II and IV only
C)   I, II and IV only
D)   I, II, III, and IV

Question 7

Which test/method is considered most accurate for measuring RV?

Accepted Answer

A)   plethysmography
B)   open circuit nitrogen washout
C)   closed circuit helium dilution
D)   X-ray

Question 8

In which of the following disorders would the TET during an FVC likely be increased?
I.Asthma
II.Cystic fibrosis
III.Pneumonia
IV.Pulmonary fibrosis

Accepted Answer

A)   I and II only
B)   I, II, III, and IV
C)   III and IV only
D)   I, II and III only

Question 9

In a healthy adult,what is the average time required to exhale during a FVC maneuver?

Accepted Answer

A)   4-6 seconds
B)   1-3 seconds
C)   7-9 seconds
D)   10-12 seconds

Question 10

Which pulmonary measurement is most frequently used in the home setting?

Accepted Answer

A)   PEFR
B)   SVC
C)   MVV
D)   FEF 25-75%

Question 11

In a healthy young male,what would the sum of IRV + ERV + VT equal in mL

Accepted Answer

A)   4800 mL
B)   3600 mL
C)   6000 mL
D)   2400 mL

Question 12

What is the term for the lung volume or capacity moved in or out in one resting breath?

Accepted Answer

A)   VT
B)   RV
C)   VC
D)   ERV

Question 13

Which test is the most commonly performed pulmonary function measurement?

Accepted Answer

A)   FVC
B)   SVC
C)   MVV
D)   Flow-volume loop

Question 14

In the Global Initiative for COPD,which category of COPD is considered severe COPD?

Accepted Answer

A)   Stage III
B)   Stage IV
C)   Stage II
D)   Stage I

Question 15

What is the normal FEF25-75% for a healthy 20 year old male?

Accepted Answer

A)   270 L/min
B)   210 L/min
C)   370 L/min
D)   310 L/min

Question 16

Which lung volume or capacity is defined as the amount of air that can be exhaled after a maximum inspiration?

Accepted Answer

A)   VC
B)   TLC
C)   IRV
D)   FRC

Question 17

In addition to bedside spirometry,what additional information can useful to help differentiate between obstructive and restrictive lung disorders and their severity and help formulate a therapeutic plan?
I.History
II.Chest X-ray
III.ABG
IV.Comprehensive pulmonary function study

Accepted Answer

A)   I, II, III, and IV
B)   I and IV only
C)   I , II, and IV only
D)   I and II only

Question 18

What portion of the FVC maneuver is considered to be effort dependent?

Accepted Answer

A)   first 30%
B)   first 10%
C)   last 30%
D)   last 10%

Question 19

How does the general shape of a flow-volume loop in restrictive lung disease compare to a normal pattern?

Accepted Answer

A)   shorter and narrower
B)   taller and wider
C)   shorter and wider
D)   taller and narrower

Question 20

Which pulmonary measurement is also called MBC?

Accepted Answer

A)   MVV
B)   PEFR
C)   SVC
D)   FVC

Exam 3: Pulmonary Function Measurements