Question

multiple choice question

which is a suprahyoid muscle?

temporalis
lateral pterygoid
digastric
medial pterygoid

Explanation:

Identify the question and options

The question asks: "Which is a suprahyoid muscle?"
The options provided are:

• Temporalis
• Lateral pterygoid
• Digastric
• Medial pterygoid

Analyze the anatomical groups

The Muscles of Mastication include the temporalis, masseter, medial pterygoid, and lateral pterygoid muscles. These are primarily responsible for elevating, depressing, protruding, retracting, and moving the mandible side-to-side during chewing.

Define suprahyoid muscles

Suprahyoid muscles are a group of four muscles located superior to the hyoid bone in the neck. They connect the hyoid bone to the mandible, skull, and tongue, acting to elevate the hyoid bone and widen the esophagus during swallowing, or depress the mandible. The four suprahyoid muscles are:

1. Digastric
2. Mylohyoid
3. Geniohyoid
4. Stylohyoid

Evaluate the options

• Temporalis: A muscle of mastication.
• Lateral pterygoid: A muscle of mastication.
• Digastric: A suprahyoid muscle with anterior and posterior bellies.
• Medial pterygoid: A muscle of mastication.

Therefore, the digastric muscle is the correct answer.

Answer:

• Temporalis
• Lateral pterygoid
• Digastric (Correct answer)
• Medial pterygoid