Dental Medicine Quiz stoma lec1

What is the definition of the stomatognathic system?

• A complex of tissues and organs located within the oral & craniofacial region

• A system of muscles in the head & face

• A system of nerves and blood vessels in the oral cavity

• A system of bones in the jaw

Answer explanation

The stomatognathic system is defined as a complex of tissues and organs located within the oral & craniofacial region, making it the correct choice.

Which of the following is NOT a component of the stomatognathic system?

• Muscles of head & face

• Tempromandibular joint (TMJ)

• Jaw bones, teeth & supporting structure

• Liver & Kidneys

Answer explanation

The correct choice is 'Liver & Kidneys' because they are not components of the stomatognathic system, unlike the other options which are directly related to the system.

What is the main function of the stomatognathic system?

• Vision

• Hearing

• Mastication

• Smelling

Answer explanation

The main function of the stomatognathic system is mastication, which involves chewing and grinding food in the mouth to prepare it for swallowing and digestion.

Which of the following is a parafunction of the stomatognathic system?

• Speech

• Mouth breathing

• Swallowing

• Mastication

Answer explanation

The parafunction of the stomatognathic system is mouth breathing, as it is an abnormal function of the system.

What is the relationship between the stomatognathic system and body posture?

• Changes in one affect the other

• There is no relationship

• Body posture affects the system

• They are completely independent

Answer explanation

Changes in one affect the other, indicating a relationship between the stomatognathic system and body posture.

Which of the following is an example of a habit related to the stomatognathic system?

• Walking

• Running

• Reading

• Thumb sucking

Answer explanation

Thumb sucking is an example of a habit related to the stomatognathic system, as it involves the mouth and jaw muscles.

What is the role of proprioceptors in the stomatognathic system?

• Control digestion

• Control heart rate

• Control muscle movements

• Control brain functions

Answer explanation

Proprioceptors in the stomatognathic system control muscle movements, helping coordinate jaw, tongue, and facial muscle actions during activities like chewing and speaking.

What is an involuntary action related to the stomatognathic system?

• Talking

• Breathing

• Walking

• Jumping

Answer explanation

Breathing is an involuntary action related to the stomatognathic system, as it involves the movement of the jaw, tongue, and other structures in the mouth and throat.

What is an uncontrolled reflex achieved by the stomatognathic system?

• Swallowing

• Gagging

• Reading

• Writing

Answer explanation

An uncontrolled reflex achieved by the stomatognathic system is gagging, which is the correct answer choice provided.

Which of the following is NOT a parafunction of the stomatognathic system?

• Tongue thrusting

• Teeth clenching

• Swallowing

• Bruxism

Answer explanation

Swallowing is NOT a parafunction of the stomatognathic system. The other options, such as tongue thrusting, teeth clenching, and bruxism, are considered parafunctions.