Answer:
The correct option is : a. The phrenic nerve from the cervical plexus
Explanation:
The diaphragm is a thin skeletal muscle which separates the thoracic cavity and the abdominal cavity.
The phrenic nerve is a nerve present in the thoracic region, that passes down between the heart and the lung and reaches the diaphragm.
The phrenic nerve innervates the diaphragm from the C3–C5 of cervical plexus.
Answer: Make changes in the home
Explanation:
Based on the information given, the best next step is to make changes in the home. This is still a mild elevation which occurs typically from level 10 to 20.
In this case, treating with chelation isn't needed. The assistance of public health and the education for the parents are important in this case. The family should also move out of the lead-contaminated apartment as this isn't good for the child.
Answer: to take a look inside and around the ears
Explanation: the dog may have either allergies, bacterial infection, or skin parasites so it is important to check for hot spots that may indicate a bacterial infection
Answer:
The pyloric sphincter
The pyloric sphincter, which separates the stomach and duodenum, periodically opens to release small portions of acidic chyme