A physician monitoring a newborn infant’s hea sounds using a stethoscope hears the characteristic murmur of a patent ductus aeriosus. How soon after bih should this murmur normally disappear?

Anatomy

A physician monitoring a newborn infant’s hea sounds using a stethoscope hears the characteristic murmur of a patent ductus aeriosus. How soon after bih should this murmur normally disappear?

The action of digastric muscle is:

Which of the following vessels supply the anal canal?

All of the following muscles are elevators of the mandible EXCEPT: