All of the infrahyoid muscles are supplied by ansa cervicalis EXCEPT:

 # All of the infrahyoid muscles are supplied by ansa cervicalis EXCEPT:

A. Thyrohyoid

B. Sternohyoid

C. Sternothyroid

D. Inferior belly of omohyoid

The correcct answer is A. Thyrohyoid.

Infrahyoid muscles are sternohyoid, sternothyroid, thyrohyoid and omohyoid present in the superficial plane of the anterior triangle of neck. Sternohyoid, sternothyroid, omohyoid are supplied by ansa cervicalis EXCEPT thyrohyoid which is supplied by the first cervical nerve through hypoglossal nerve.

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Suprahyoid Muscles and Infrahyoid Muscles

 # All of the following belongs to suprahyoid group of muscles EXCEPT:

A. Omohyoid

B. Mylohyoid

C. Stylohyoid

D. Geniohyoid

The correct answer is A. Omohyoid. 

Suprahyoid Muscles are: Digastric, Stylohyoid, Mylohyoid, Geniohyoid   @ Super Stylish Getho and Mylo Di. 

Infrahyoid muscles: Sternohyoid, Sternothyroid, Thyrohyoid, Omohyoid  (SH, ST, TH, OH)

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Torticollis or Wry Neck is the result of:

 # Torticollis or Wry Neck is the result of spasm of which of the following muscles?

A. Omohyoid and sternohyoid

B. Trapezius and Sternocleidomastoid

C. Platysma and mentalis

D. Scaleneus anterior and scaleneus posterior

The correct answer is B. Trapezius and Sternocleidomastoid

Torticollis or Wry neck is a deformity in which the head is bent to one side and the chin points to the other side. This is a result of spasm or contracture of the muscles supplied by the spinal accessory nerve, these being the sternocleidomastoid and the trapezius.

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Which of the following are called as ‘Signal nodes’?

 # Which of the following are called as ‘Signal nodes’?

A. Supraclavicular nodes

B. Jugulo-omohyoid

C. Jugulodigastric

D. Submandibular

The correct answer is A. Supraclavicular nodes

The left supraclavicular nodes or Virchow's or scalene nodes are also involved in malignant growths of distant organs, e.g. the stomach, the testis and other abdominal organs. Therefore, they are known as signal nodes. Scalene node biopsy is very helpful in the early diagnosis of such malignancies. 

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