Question 1

If a muscle attaches from the mandible to a point that is superior to that mandibular attachment,what eccentric function of the mandible at the temporomandibular joints (TMJs)will this muscle most likely have?

Accepted Answer

A) restrains/slows elevation 
B) restrains/slows depression 
C) restrains/slows retraction 
D) restrains/slows protraction

Question 2

Which are the attachments of the geniohyoid?

Accepted Answer

A) inner surface of the mandible to the hyoid bone 
B) temporal bone and mandible to the hyoid bone 
C) outer surface of the mandible to the hyoid bone 
D) styloid process of the temporal bone to the hyoid bone

Question 3

Which is an eccentric function of the geniohyoid?

Accepted Answer

A) restrains/slows elevation of the hyoid bone 
B) restrains/slows elevation of the mandible at the temporomandibular joints (TMJs) 
C) restrains/slows elevation of the thyroid cartilage 
D) restrains/slows depression of the mandible at the temporomandibular joints (TMJs)

Question 4

The omohyoid attaches to which of the following bones?

Accepted Answer

A) sternum and first rib 
B) hyoid and second rib 
C) scapula,clavicle,and hyoid 
D) scapula,sternum,and hyoid

Question 5

Which muscles are suprahyoid muscles?

Accepted Answer

A) digastric,stylohyoid,mylohyoid,and geniohyoid 
B) digastric,stylohyoid,omohyoid,and sternothyroid 
C) sternohyoid,sternothyroid,thyrohyoid,and omohyoid 
D) thyrohyoid,omohyoid,geniohyoid,and digastric

Question 6

Which muscles are infrahyoid muscles?

Accepted Answer

A) digastric,stylohyoid,mylohyoid,and geniohyoid 
B) digastric,stylohyoid,omohyoid,and sternothyroid 
C) sternohyoid,sternothyroid,thyrohyoid,and omohyoid 
D) thyrohyoid,omohyoid,geniohyoid,and digastric

Question 7

Which muscle attaches onto the zygomatic arch of the temporal bone?

Accepted Answer

A) temporalis 
B) masseter 
C) lateral pterygoid 
D) medial pterygoid

Question 8

If a muscle attaches from the mandible to a point that is anterior to that mandibular attachment,what eccentric function of the mandible at the temporomandibular joints (TMJs)will this muscle most likely have?

Accepted Answer

A) restrains/slows elevation 
B) restrains/slows depression 
C) restrains/slows retraction 
D) restrains/slows protraction

Question 9

Which muscles can restrain/slow depression of the mandible at the temporomandibular joints (TMJs)?

Accepted Answer

A) masseter and temporalis 
B) temporalis and lateral pterygoid 
C) lateral pterygoid and medial pterygoid 
D) all of the above

Question 10

Which is an eccentric function of the lateral pterygoid of the mandible at the temporomandibular joints (TMJs)?

Accepted Answer

A) restrains/slows elevation 
B) restrains/slows depression 
C) restrains/slows protraction 
D) restrains/slows retraction

Question 11

What provides innervation for the geniohyoid?

Accepted Answer

A) facial nerve (CN VII) 
B) hypoglossal nerve (CN XII) 
C) trigeminal nerve (CN V) 
D) spinal accessory nerve (CN XI)

Question 12

If a muscle attaches from the mandible to a point that is anterior to that mandibular attachment,what action of the mandible at the temporomandibular joints (TMJs)will this muscle most likely have?

Accepted Answer

A) elevation 
B) depression 
C) retraction 
D) protraction

Question 13

Which is an eccentric function of the stylohyoid?

Accepted Answer

A) restrains/slows elevation of the hyoid bone 
B) restrains/slows depression of the hyoid bone 
C) restrains/slows elevation of the thyroid cartilage 
D) restrains/slows depression of the thyroid cartilage

Question 14

Which one of the suprahyoid muscles has two bellies?

Accepted Answer

A) digastric 
B) stylohyoid 
C) mylohyoid 
D) geniohyoid

Question 15

Which is (are)an eccentric function of the thyrohyoid?

Accepted Answer

A) restrains/slows depression of the hyoid bone 
B) restrains/slows elevation of the thyroid cartilage 
C) restrains/slows depression of the thyroid cartilage 
D) all of the above

Question 16

If a muscle attaches from the mandible to a point that is medial to that mandibular attachment,what action of the mandible at the temporomandibular joints (TMJs)will this muscle most likely have?

Accepted Answer

A) elevation 
B) depression 
C) retraction 
D) contralateral deviation

Question 17

What provides innervation for the medial pterygoid?

Accepted Answer

A) glossopharyngeal nerve (CN IX) 
B) trigeminal nerve (CN V) 
C) vagus nerve (CN X) 
D) facial nerve (CN VII)

Question 18

Which is an action of the temporalis of the mandible at the temporomandibular joints (TMJs)?

Accepted Answer

A) elevation 
B) depression 
C) protraction 
D) contralateral deviation

Question 19

If a muscle attaches from the mandible to a point that is medial to that mandibular attachment,what eccentric function of the mandible at the temporomandibular joints (TMJs)will this muscle most likely have?

Accepted Answer

A) restrains/slows elevation 
B) restrains/slows ipsilateral deviation 
C) restrains/slows retraction 
D) restrains/slows contralateral deviation

Question 20

Which is an action of the masseter of the mandible at the temporomandibular joints (TMJs)?

Accepted Answer

A) elevation 
B) depression 
C) contralateral deviation 
D) none of the above

Exam 12: Muscles of the Temporomandibular Joints

If a muscle attaches from the mandible to a point that is superior to that mandibular attachment,what eccentric function of the mandible at the temporomandibular joints (TMJs) will this muscle most likely have?

Which are the attachments of the geniohyoid?

Which is an eccentric function of the geniohyoid?

The omohyoid attaches to which of the following bones?

Which muscles are suprahyoid muscles?

Which muscles are infrahyoid muscles?

Which muscle attaches onto the zygomatic arch of the temporal bone?

If a muscle attaches from the mandible to a point that is anterior to that mandibular attachment,what eccentric function of the mandible at the temporomandibular joints (TMJs) will this muscle most likely have?

Which muscles can restrain/slow depression of the mandible at the temporomandibular joints (TMJs) ?

Which is an eccentric function of the lateral pterygoid of the mandible at the temporomandibular joints (TMJs) ?

What provides innervation for the geniohyoid?

If a muscle attaches from the mandible to a point that is anterior to that mandibular attachment,what action of the mandible at the temporomandibular joints (TMJs) will this muscle most likely have?

Which is an eccentric function of the stylohyoid?

Which one of the suprahyoid muscles has two bellies?

Which is (are) an eccentric function of the thyrohyoid?

If a muscle attaches from the mandible to a point that is medial to that mandibular attachment,what action of the mandible at the temporomandibular joints (TMJs) will this muscle most likely have?

What provides innervation for the medial pterygoid?

Which is an action of the temporalis of the mandible at the temporomandibular joints (TMJs) ?

If a muscle attaches from the mandible to a point that is medial to that mandibular attachment,what eccentric function of the mandible at the temporomandibular joints (TMJs) will this muscle most likely have?

Which is an action of the masseter of the mandible at the temporomandibular joints (TMJs) ?