The presence of air in soft tissues produces a characteristic crackling sensation called:
a) spontaneous pneumothorax.
b) subcutaneous emphysema.
c) subcutaneous hypoxia.
d) pulmonary embolus.

B. Subcutaneous emphysema

Explanation:

Subcutaneous means tissue layer beneath the skin. Emphysema means trapping of air.

Subcutaneous emphasema is a condition in which the air enters inside the skin. It usually occurs in the regions of chest cavity, face, and neck. It gives a crackling feel when touched.

answer:

a licensed practical nurse (lpn), in much of the united states and canada, is a nurse who cares for people who are sick, injured, convalescent, or disabled. in the united states, lpns work under the direction of physicians.

explanation: