Anatomy 4

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Which layer of the scalp is continuous with the muscle?

Loose CT

Dense CT

Aponeurosis (correct)

Pericranium

What is the main function of the orbicularis oculi muscle?

To protect the eye socket

To elevate and retract the upper eyelid

To close the eyelids (correct)

To control eye movement

Which muscle is responsible for the elevation and retraction of the upper eyelid?

Orbicularis oculi

Levator palpebrae superioris (correct)

Occipitalis

Frontalis

What is the origin of the muscles of the scalp, forehead, and eyebrows?

Galea aponeurotica layer of skull Signup and view all the answers

Which layer of the scalp provides mobility?

Loose CT Signup and view all the answers

What is the primary function of the occipitalis muscle?

To move the scalp Signup and view all the answers

Which muscle is arranged in concentric bands around the upper and lower eyelids?

Orbicularis oculi Signup and view all the answers

Which muscle helps to direct the ears toward the sources of sounds?

Muscles of the ears Signup and view all the answers

Which muscle helps to close and protrude the lips, as in kissing, and helps keep food in the mouth?

Orbicularis oris Signup and view all the answers

Which muscle presses the cheeks against teeth and lips, as in whistling, and helps to keep food in the mouth?

Buccinator Signup and view all the answers

Which muscle is responsible for retracting the various borders of the oral fissure collectively, in groups, or individually?

Depressors, retractors, and evertors of the lower lip Signup and view all the answers

Which muscle elevates and retracts the mandible?

Temporalis Signup and view all the answers

Which muscle is responsible for elevation and protraction of the mandible?

Masseter Signup and view all the answers

Which muscle is involved in the protrusion and contralateral deviation of the mandible?

Lateral pterygoid Signup and view all the answers

Which type of nerves serve the upper limb, trunk, and lower limb?

Peripheral nerves Signup and view all the answers

How many pairs of spinal nerves serve the upper limb, trunk, and lower limb?

31 pairs Signup and view all the answers

Which type of nerves carry autonomic functions that we cannot control?

Cranial nerves Signup and view all the answers

How many pairs of cranial nerves serve the head and neck?

12 pairs Signup and view all the answers

Which type of signals travel from the brain and spinal cord to body structures such as muscles, skin, and organs?

Motor signals Signup and view all the answers

What can sensory signals be?

Conscious or unconscious Signup and view all the answers

What can motor signals be?

Conscious or unconscious Signup and view all the answers

Which ligament extends from the spine of the sphenoid to the medial surface of the ramus of the mandible?

TMJ-Sphenomandibular ligament Signup and view all the answers

Which ligament extends from the styloid process of the temporal bone to the inferior and posterior borders of the angle of the ramus of the mandible?

TMJ-stylomandibular ligament Signup and view all the answers

Which movement is involved in the opening of the mouth?

Anterior movement of the head of the mandible Signup and view all the answers

Which artery supplies the brain via the transverse foramen of the vertebrae?

Vertebral artery Signup and view all the answers

Which artery supplies the anterior thoracic wall and breast tissue?

Internal thoracic artery Signup and view all the answers

Which artery supplies the larynx, trachea, and esophagus?

Thyrocervical trunk Signup and view all the answers

Which vein drains all of the blood from the head and neck?

Internal jugular vein Signup and view all the answers

What movement does the zygomaticus major and minor cause?

smile Signup and view all the answers

What movement does risoris cause?

lateral deviation from corners of the mouth Signup and view all the answers

Which cranial nerve is in charge of eye movement?

CN III Signup and view all the answers

Match the branches of facial nerve 7 with their name

temporal = 1 buccal = 3 zygomatic = 2 mandibular = 4 Signup and view all the answers

Match the branches of trigeminal nerve to their roman numeral

opthalmic = V1 maxillary = V2 mandibular = V3 trigeminal = V Signup and view all the answers

The branches directly off the aorta include:

brachiocephalic, left common carotid artery, left common subclavian artery Signup and view all the answers

All of the following are unpaired bones in the neurocranium except:

parietal bone Signup and view all the answers

All of the following are paired bones of the viscerocranium except:

vomer Signup and view all the answers

The point on the skull where the coronal and sagittal suture meet is called the:

bregma Signup and view all the answers

The part of the skull where the sagittal and lambda sutures meet is called the:

lambda Signup and view all the answers

When a baby is born the point where the coronal and sagittal suture meet and the point where the sagittal and lambda suture meet on the skull is called the:

anterior fontanelle and posterior fontanelle Signup and view all the answers

The pituitary gland sits in the:

hypoglossal fossa Signup and view all the answers

Match the name with its definition

pterion = "H" junction of the 4 bones: temporalis, frontal, sphenoid and parietal - softest part of the skull external acoustic meatus = opening of the external ear temporalis fossa = indent where the temporalis muscle attaches superior nuchal line = everything above this line is associated with the head, everything below this line is associated with the neck Signup and view all the answers