1. Earnest klein has classified habits into;

A. Compulsive and non-compulsive habits
B. Intentional and non-intentional habits
C. Primary and secondary habits
D. Pressure and non-pressure habits

Answer. B

2. Breathing is termed anatomic mouth breathing if;

A. Short upper lip
B. Enlarged adenoid
C. Enlarged tonsil
D. Both A and B

Answer.  A

Option B and C results in obstructive type of mouth breathing

3. The positioning of tongue in infantile swallowing is;

A. Posterior
B. Medial
C. Lateral
D. Anterior

Answer. D

Tongue thrusting simply defined, is the habit of thrusting the tongue forward (anterior) angainst the teeth and or in between while swallowing. It is the infantile pattern of swallowing that has been retained by an individual.

4. Etiology of tongue thrusting includes:

a. Genetic influence
b. Thumb sucking
c. Sleeping habits

d. All of the above

Answer D

5. Manifestations of lip biting includes all except:

a. Lip trap
b. Mentolabial sulcus accentuated
c. Lip reddened
d. Retrusion of upper incisors

Answer D

Protrusion of upper anteriors & retrusion of lower anteriors.