Question 1
The sternocleidomastoid and scalene muscles are referred to as which group?
◦ Diaphragmatic muscles
◦ Muscles of expiration
◦ Intercostal muscles
◦ Accessory muscles of inspiration
Question 2
A newborn has alveolar collapse, decreased lung expansion, increased work of breathing, and severe gas-exchange abnormalities and the student asks the healthcare professional for an explanation of what is happening. What response by the professional is best?
◦ A decrease in lung compliance from the trauma of a long childbirth process
◦ A traumatic pneumothorax from a prolonged and difficult labor
◦ Damage done to the alveoli from exposure to supplemental oxygen at birth
◦ Lack of surfactant leading to increased alveolar surface tension and fluid collection