Orofacial Anatomy Lect Final Exam

Anatomic nomenclature is the correct term used to describe the naming system for anatomic structures.

The correct answer points out that Chapter 2 of the anatomy textbook is dedicated to surface anatomy, providing information on the external features of the body. The incorrect responses do not provide any relevant information to the question.

The piriform aperture is not directly involved in the functions mentioned in the incorrect answers. Its primary role is related to holding the soft tissue of the nose and is commonly used for labeling purposes in anatomical studies, as well as serving as a distinctive location for reference.

The articular fossa is also known as the glenoid fossa or mandibular fossa. The other options mentioned are different anatomical features not associated with the articular fossa.

The Zygomaticus Major muscle is specifically responsible for controlling facial expressions, particularly smiling. It is not located in the leg, back, or abdomen for the purposes mentioned in the incorrect answers.

The Zygomaticus Major muscle is responsible for raising the labial commissures, which are the corners of the mouth. It is involved in forming a smile.

The Zygomatic arch serves as the origin for the Zygomaticus Minor & Major muscles, as well as the Masseter muscle.

The muscles responsible for facial expression associated with happiness include Zygomaticus Major & Levator Anguli Oris for smiling and Zygomaticus Minor & Levator labii superioris for raising the upper lip, assisting in expressing happiness.

The lateral pterygoid muscle is the primary muscle responsible for opening the mouth by depressing the mandible, while the other muscles mentioned are involved in different functions related to mastication.

The mandible is the only movable bone of the skull and plays a crucial role in activities like chewing, swallowing, and speaking.

The muscles of mastication are responsible for the movement of the jaw during chewing and include the Masseter, Temporalis, Medial Pterygoid, and Lateral Pterygoid. Each muscle plays a specific role in the mandibular movement.

The Mylohyoid muscles are responsible for specific functions related to the mouth, jaw, and tongue movement. They do not have any role in moving the eyes, pumping blood to the heart, or aiding in respiration.

The correct muscles responsible for facial expression are not related to the muscles mentioned in the incorrect choices. Facial expression muscles have specific functions related to facial movements while the incorrect choices refer to muscles that are primarily involved in arm and leg movements.

The infrahyoid muscles are responsible for depressing the hyoid bone, while the suprahyoid muscles are responsible for elevating it. The temporalis and masseter muscles are involved in the movement of the jaw and are not directly related to the movement of the hyoid bone.

ProtrusionRetraction refers to the action of bringing something forward or backwards, which makes 'bringing forwardbringing backwards' the correct answer. The other options do not accurately describe ProtrusionRetraction.

The muscles responsible for closing the mouth by elevating the mandible are the Masseter, Temporalis, and Medial Pterygoid. These muscles work together to facilitate the movement of the mandible during activities such as chewing and speaking.

The extrinsic tongue muscles are responsible for movements of the tongue within the oral cavity. In this case, the correct answer consists of the muscles that contribute to functions such as protruding, depressing, and retracting the tongue.

The four pairs of intrinsic tongue muscles are the Superior longitudinal muscle, Inferior longitudinal muscle, Transverse muscle, and Vertical muscle.

The 12th cranial nerve, also known as the Hypoglossal nerve, innervates all tongue muscles, allowing for movements such as speech, swallowing, and food manipulation.

Chapter 5 in the textbook focuses on the TMJ (Temporomandibular Joint), which is related to the jaw and its movement.

During emergencies, the carotid pulse can be palpated at the level of the thyroid cartilage, located within the carotid sheath along with the 10th cranial/vagus nerve & internal jugular vein & internal carotid artery.

The correct answer is Lingual artery & nerve, along with the 2th cranial nerve, these are the blood vessels and nerves that are located within the sublingual space.

The correct answer is the Anterior view, as it provides a frontal perspective of the artery. The Posterior view would show the back side of the artery, while the Superior and Inferior views would depict the artery from above and below, respectively.

Veins and the lymphatic system/vessels have one way valves to ensure that blood and lymph flow in the correct direction. Arteries, capillaries, and the heart do not have one way valves.

The Maxillary artery is considered the largest terminal branch of the external carotid artery, branching into three parts that supply various structures in the head and neck region. The other options mentioned are branches of the external carotid artery as well, but they are not the largest terminal branch.

Glandular tissue is a specialized type of epithelial tissue that secretes hormones or other substances.

Chapter 6 of the textbook focuses on the Vascular System, which is responsible for the transportation of blood throughout the body.

In this question, we are focusing on identifying the specific chapter that discusses the Nervous System, which is Chapter 8. The incorrect answers, CHAP. 5, CHAP. 10, and CHAP. 12, are plausible distractors commonly found in textbooks but do not specifically address the Nervous System.