Topic 22 - The bronchial breathing sounds, the bronchial tone of the lung sounds, alteration of the bronchial breathing sounds.

Question 1

Where can we hear the bronchial sounds, in normal conditions?

Answer 1

Above the larynx and trachea

Question 2

Where can we hear the bronchial sounds, in abnormal conditions?

Answer 2

More caudally, when peri-bronchial tissue have less air

Question 3

What is the bronchial sound produced by?

Answer 3

Stenotic effect of the relatively solid airway of the larynx and trachea

Question 4

What causes the bronchial sound?

Answer 4

The vortex formation of the inhaled air within the gradually narrowing passages of the upper respiratory tract

Question 5

What does the bronchial sound resemble?

Answer 5

Blowing, and resembles the “ch” sound

Question 6

When is bronchial sound normal and abnormal?

Answer 6

Abnormal during exhalation

Can be normal during inhalation in cow, cat, dog and swine

Question 7

Name other situations that a bronchial is abnormal:

Answer 7

1. During exhalation, ALWAYS
2. During rapid respiration above narrow upper airways
3. Peribronchial lung tissue contain less air

Question 8

Name the two bronchial breathing sounds:

Answer 8

1. Bronchial
2. Bronchial like

Question 9

Description of bronchial sound:

Answer 9

laryngotracheo-bronchial

Strong-audible blowing sound, resembles the “H” sound during expiration and inspiration

Question 10

Description of the bronchial-like sound:

Answer 10

Tracheo-bronchial

A deeper, softer, harsher than the bronchial sound

Resembles “F” and “H” sounds tohether

Question 11

Where can we listen for the bronchial sound?

Answer 11

Above the normal larynx and trachea

Question 12

Where can we listen for the bronchial like sound?

Answer 12

above the cranial thorax

Question 13

Which respiratory sound can you hear according to the letters on the picture?

Answer 13

A = Bronchial-like respiratory sound
B. Normal respiratory sound
C. Heart sound