A4-year-old boy with a tracheostomy tube is experiencing respiratory distress. he has intercostal retractions, a heart rate of 80 beats/min, and an oxygen saturation of 85%. during his attempts to breathe, a gurgling sound is heard in the tracheostomy tube. you should:

carefully suction the tracheostomy tube.

Explanation:

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.