Muscles (anterior Neck)

1. What is the function of the mylohyoid muscle?

To flex the thigh at the hip joint.

To contract and cause the pupil to constrict.

To extend the forearm at the elbow joint.

The mylohyoid muscle is located in the floor of the mouth and plays a key role in swallowing by elevating the hyoid bone and floor of the mouth.

Explanation

The mylohyoid muscle is located in the floor of the mouth and plays a key role in swallowing by elevating the hyoid bone and floor of the mouth.

2. What muscle extends from the styloid process of the temporal bone to the hyoid bone?

Masseter

Splenius capitis

Digastric

The stylohyoid muscle is responsible for the movement of the hyoid bone, playing a key role in swallowing and speech production.

Explanation

The stylohyoid muscle is responsible for the movement of the hyoid bone, playing a key role in swallowing and speech production.

3. What is the function of the digastric muscle?

To aid in vitamin absorption.

To control breathing.

To regulate body temperature.

The digastric muscle plays a key role in the movements involved in opening the mouth and swallowing, as it helps in these processes by controlling the movement of the mandible and hyoid bone.

Explanation

The digastric muscle plays a key role in the movements involved in opening the mouth and swallowing, as it helps in these processes by controlling the movement of the mandible and hyoid bone.

4. What is the name of the muscle located in the neck that lies beneath the platysma and sternothyroid muscles?

Deltoid

Splenius Capitis

Masseter

Sternohyoid is a strap-like muscle in the neck that originates from the manubrium of the sternum and the clavicle. It is responsible for depressing the hyoid bone.

Explanation

Sternohyoid is a strap-like muscle in the neck that originates from the manubrium of the sternum and the clavicle. It is responsible for depressing the hyoid bone.

5. What is the primary function of the sternothyroid muscle?

To move the jaw during chewing

To rotate the head from side to side

To elevate the larynx during inspiration

The sternothyroid muscle is responsible for depressing the larynx and hyoid bone during swallowing and speaking. It works in conjunction with other muscles to facilitate these functions.

Explanation

The sternothyroid muscle is responsible for depressing the larynx and hyoid bone during swallowing and speaking. It works in conjunction with other muscles to facilitate these functions.

6. What is the name of the muscle that divides the neck into anterior and lateral triangles?

Pectoralis major

Deltoid

Trapezius

The sternocleidomastoid muscle is a paired muscle in the superficial layers of the side of the neck. It divides the neck into anterior and lateral triangles and is responsible for various movements of the head and neck.

Explanation

The sternocleidomastoid muscle is a paired muscle in the superficial layers of the side of the neck. It divides the neck into anterior and lateral triangles and is responsible for various movements of the head and neck.

7. What is the primary function of the occipitalis muscle?

To aid in digestion.

To help with breathing.

To regulate blood flow to the brain.

The occipitalis muscle is responsible for controlling the movement of the scalp and eyebrows, mainly in facial expressions and communication.

Explanation

The occipitalis muscle is responsible for controlling the movement of the scalp and eyebrows, mainly in facial expressions and communication.

8. What is the function of the suboccipitalis muscle?

To flex the hip joint.

To extend the elbow.

To abduct the shoulder.

The suboccipitalis muscle is responsible for stabilizing the head and neck, and is located at the base of the skull.

Explanation

The suboccipitalis muscle is responsible for stabilizing the head and neck, and is located at the base of the skull.

9. Which type of triangle has three unequal sides?

Equilateral

Isosceles

Right

A scalene triangle is a triangle with three unequal sides. An equilateral triangle has three equal sides, an isosceles triangle has at least two equal sides, and a right triangle has one 90-degree angle.

Explanation

A scalene triangle is a triangle with three unequal sides. An equilateral triangle has three equal sides, an isosceles triangle has at least two equal sides, and a right triangle has one 90-degree angle.

10. Which muscle is responsible for rotating the head to the same side and extending it?

D. SCM

C. TRAPEZIUS

B. SPLENIUS CAPITIS

The correct muscle responsible for rotating the head to the same side and extending it is the splenius capitis. This muscle is located in the upper back and neck region.

Explanation

The correct muscle responsible for rotating the head to the same side and extending it is the splenius capitis. This muscle is located in the upper back and neck region.