The coccygeus and levator ani together form the Blank______.Multiple choice question.pelvic diaphragmlaryngodiaphragmlip flexorslateral thoracic wall

Which of the following statements about the pelvic diaphragm is INCORRECT?• The coccygeus muscle extends from the ischial spines to the coccyxO The muscles of the pelvic diaphragm resist increases in intra-abdominal pressureO The obturator interns forms the floor of the pelvic diaphragm• The pelvic diaphragm consists of the levator ani and coccyges• The levator ani consists of three separate muscles

The orbicularis oris and buccinator muscles are both involved in Blank______.Multiple choice question.smilingfrowningmasticationkissing

Multiple Choice QuestionThe anal canal passes through an opening in the ______ muscles of the pelvic floor and terminates at the anus.Multiple choice question.levator anihemorrhoidaldepressor anigluteus minimus

The nerve plexus that innervates the muscles of the pelvic floor and the skin over the coccyx is the Blank______.Multiple choice question.coccygeal plexuscervical plexussacral plexusbrachial plexuslumbar plexus

The diamond-shaped area inferior to the pelvic diaphragm is referred to as the Blank______.Multiple choice question.peroneal regionoblique triangleperineumanal sphincter