Question 1

The spirometer measures the total amount of air that the lungs can hold,or:

Accepted Answer

A)  forced expiratory volume. 
B)  forced vital capacity. 
C)  exercise tolerance. 
D)  total aeration volume.

Question 2

An ECG artifact that appears as tiny spiked vertical lines that are very close together and are consistent throughout the tracing is caused by which of the following?

Accepted Answer

A)  Electrical interference 
B)  Muscle tension or tremors 
C)  Patient movement 
D)  Broken or detached lead wire

Question 3

What is the proper distance to assess near vision?

Accepted Answer

A)  2 to 4 inches 
B)  6 to 8 inches 
C)  10 to 12 inches 
D)  14 to 16 inches

Question 4

A person who cannot see well at close range has a condition known as which of the following?

Accepted Answer

A)  Myopia 
B)  Hyperopia 
C)  Hemianopia 
D)  Hypopia

Question 5

What tool is used to evaluate for color blindness?

Accepted Answer

A)  Ishihara test 
B)  Snellen chart 
C)  ECG machine 
D)  FVC test

Question 6

What is the medical term for "nearsightedness"?

Accepted Answer

A)  Hyperopia 
B)  Myopia 
C)  Presbyopia 
D)  Hypopia

Question 7

On an ECG tracing,the P wave represents:

Accepted Answer

A)  atrial contraction. 
B)  atrial recovery. 
C)  ventricular recovery. 
D)  ventricular contraction.

Question 8

What does a U wave indicate when seen on an ECG?

Accepted Answer

A)  Ventricular recovery 
B)  Atrial repolarization 
C)  Low serum potassium 
D)  Improper machine standardization

Question 9

Which of the following is the correct weight of a patient if the scale is in balance with the lower bar set at 100 lb and the upper bar set at 38 lb?

Accepted Answer

A)  38 lb 
B)  62 lb 
C)  72 lb 
D)  138 lb

Question 10

A major wandering baseline on an ECG may be caused by:

Accepted Answer

A)  muscle tension. 
B)  patient motion. 
C)  interruption of electrical transmission. 
D)  poor electrode contact.

Question 11

Which type of problem with visual acuity commonly occurs with advancing age?

Accepted Answer

A)  Myopia 
B)  Hyperopia 
C)  Presbyopia 
D)  Color blindness

Question 12

Which of the following are possible causes of artifacts on ECG?
1) Tense muscles
2) Electrical interference
3) Poor electrode contact

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 13

What is the universal recording speed for the paper feed on ECG?

Accepted Answer

A)  2 mm/second 
B)  10 mm/second 
C)  25 mm/second 
D)  50 mm/second

Question 14

Where does the cardiac impulse originate?

Accepted Answer

A)  Sinoatrial (S
A)  node 
B)  Atrioventricular (AV) node 
C)  Bundle of His 
D)  Purkinje fibers

Question 15

Which portion of the ECG tracing represents atrial contraction?

Accepted Answer

A)  QRS complex 
B)  T wave 
C)  P wave 
D)  U wave

Question 16

An unsatisfactory spirogram that exhibits glottic closure is caused by which of the following?

Accepted Answer

A)  Obstruction of the mouthpiece by the tongue 
B)  Vocalization (voice sounds) during the maneuver 
C)  Coughing, especially during the early part of the expiration 
D)  Sudden cessation of exhalation caused by closure of the opening to the trachea

Question 17

What does a T wave represent on an ECG tracing?

Accepted Answer