Podcast
Questions and Answers
Which of the following muscles is NOT a muscle of the larynx?
Which of the following muscles is NOT a muscle of the larynx?
- Lateral cricoarytenoid
- Thyroarytenoid
- Masseter (correct)
- Cricothyroid
What is the function of the posterior cricoarytenoid muscle?
What is the function of the posterior cricoarytenoid muscle?
- To tense the vocal cords
- To relax the vocal cords
- To abduct the vocal cords (correct)
- To adduct the vocal cords
Which two muscles work together to relax the vocal cords?
Which two muscles work together to relax the vocal cords?
- Thyroarytenoid and cricothyroid (correct)
- Thyroarytenoid and posterior cricoarytenoid
- Thyroarytenoid and lateral cricoarytenoid
- Lateral cricoarytenoid and oblique arytenoid
What is the function of the transverse and oblique arytenoids?
What is the function of the transverse and oblique arytenoids?
Which muscle is responsible for tensing the vocal cords?
Which muscle is responsible for tensing the vocal cords?
What is the location of the sagittal line in the neck?
What is the location of the sagittal line in the neck?
How many triangles is the neck subdivided into?
How many triangles is the neck subdivided into?
Which of the following triangles is NOT one of the four subdivisions of the neck?
Which of the following triangles is NOT one of the four subdivisions of the neck?
What is the name of the triangle that lies inferior to the mandible?
What is the name of the triangle that lies inferior to the mandible?
Which triangle is located superior to the hyoid bone?
Which triangle is located superior to the hyoid bone?
What is the name given to the two lateral halves of the brain?
What is the name given to the two lateral halves of the brain?
What is the name of the deep cleft that separates the two cerebral hemispheres?
What is the name of the deep cleft that separates the two cerebral hemispheres?
In which plane is the longitudinal cerebral fissure located?
In which plane is the longitudinal cerebral fissure located?
How does the longitudinal cerebral fissure separate the two cerebral hemispheres?
How does the longitudinal cerebral fissure separate the two cerebral hemispheres?
What is the result of the incomplete separation of the cerebral hemispheres by the longitudinal cerebral fissure?
What is the result of the incomplete separation of the cerebral hemispheres by the longitudinal cerebral fissure?
Which spinal nerves form the cervical plexus?
Which spinal nerves form the cervical plexus?
What is the main function of the cervical plexus?
What is the main function of the cervical plexus?
Which part of the spinal nerve contributes to the formation of the cervical plexus?
Which part of the spinal nerve contributes to the formation of the cervical plexus?
How many spinal nerves are involved in the formation of the cervical plexus?
How many spinal nerves are involved in the formation of the cervical plexus?
What is the level of the spinal nerves that form the cervical plexus?
What is the level of the spinal nerves that form the cervical plexus?
Which muscle of the soft palate is responsible for tensing it?
Which muscle of the soft palate is responsible for tensing it?
Which of the following muscles is NOT a muscle of the soft palate?
Which of the following muscles is NOT a muscle of the soft palate?
Which two muscles are involved in the swallowing mechanism?
Which two muscles are involved in the swallowing mechanism?
What is the primary function of the levator veli palatini muscle?
What is the primary function of the levator veli palatini muscle?
Which muscle of the soft palate is involved in the movement of the uvula?
Which muscle of the soft palate is involved in the movement of the uvula?
Study Notes
Muscles of the Larynx
- Cricothyroid, thyroarytenoid, posterior cricoarytenoid, lateral cricoarytenoid, transverse and oblique arytenoids, and vocalis are muscles of the larynx.
The Cervical Plexus
- The cervical plexus is formed by the ventral primary rami of C1 to C4.
- It has both sensory and motor branches.
- The cervical plexus is located medially, along the sagittal line down the midline of the neck.
- It is subdivided into four triangles: carotid triangle, submental triangle, submandibular triangle, and muscular triangle.
Cerebral Hemispheres
- The cerebral hemispheres are the two lateral halves of the brain.
- A deep median cleft, the longitudinal cerebral fissure, incompletely separates the two cerebral hemispheres across the median plane.
Muscles of the Soft Palate
- Tensor veli palatini, levator veli palatini, palatoglossus, palatopharyngeus, and musculus uvulae are muscles of the soft palate.
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Description
Identify the different muscles of the larynx, including the cricothyroid, thyroarytenoid, and more. Test your knowledge of human anatomy and physiology.
