This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Hold Pull exercise is used for: 
Select and explain. 
A. Muscles of upper lip, B. Muscles of lower lip, C. Muscles of tongue, D. Masseter
C: Muscles of tongue
Answer: C: Muscles of tongue 
Explanation: Exercises of the Tongue
Exercises of the tongue are done to correct any aberrant tongue swallow patterns:
a. One elastic swallow 
b. Two elastic swallow 
c. Tongue hold exercise
d. Hold pull exercise 
Exercises of the Lip
a. Lip pull exercises
b. Lip over lip exercises 
Key Concept
Hold pull exercise: The tip of the tongue is made to contact the palate in the midline and the mandible is gradually opened. This allows the stretching of the frenum to relieve a mild tongue-tie.