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Anatomy Q2

QuestionAnswer
Joints that are freely movable? Diarthroses
Joints that are only slightly movable? Amphiarthroses
Joints that are immovable? Synarthroses
Outer layer of the articular capsule of a synovial joint? Fibrous capsule
Most important factor influencing the stability of a synovial joint? Muscle tone
The shoulder and hip are both examples of what type of synovial joint? Ball and socket
The intertarsal and intercarpal bones are examples of what type of synovial joint? They allow for short gliding movements. Plane joints.
Depressing the foot or pointing the toes? Plantar flexion
Moving a limb away from the midline of the body. Abduction
Moving a part of the body forward on a plane OR a nonangular movement of jutting out the jaw? Protraction
Decreasing the angle between two bones. Flexion
Rotating the forearm laterally so that the ulna and radius are parallel. The palm of the hand faces anteriorly. Supination
Turning the sole of the foot laterally or outward. Eversion
What is the structural classification of the pubic symphysis? Cartilaginous. It allows for slight movement.
The study of muscles? Myology
The structural classification of a suture? Fibrous tissue. (Synostoses)
The muscle that raises the upper eyelid? Levator Palpebrae Superioris
Origin is the sphenoid bone and insertion is the eyelid? Levator Palpebrae Superioris
The muscle described as a sphincter muscle that is around the mouth? Orbicularis Oris
The "frowning muscle" that draws the eyebrows down and in? Corrigator
Another name for the muscle known as the epicranius? Occipito-Frontalis
The chewing muscles that aid in grinding movements? The medial and lateral pterygoids.
Origin is the sphenoid bone and insertion is the mandible? The medial and lateral ptyergoids.
Two muscles that have an antagonistic effect in regards to the hyoid bone? Digastricus and omohyoid.
Origin is the sternum and clavicle, the insertion is the mastoid process, temporal, and superior nuchal line of the occipital? SCM.
What is the lateral head of the quadratus labii superioris? Zygomaticus minor
What is the intermediate head of the quadtratus labii superioris? Levator labii superioris
The muscle that compresses the cheek? Buccinator
The temporalis and masseter are muscles that have a _________ effect? Synergistic
The "shock and horror" muscle that depresses the mandible and lip? Platysma
Anterior muscle that is a prime mover of arm flexion and adduction? Pectoralis major
Lower back muscle that is a prime mover of arm extension and adduction? Latissimus dorsi
What muscles are involved in the compression of the abdomen? There are three. Internal obliques, external obliques, and the transversus.
Internal obliques, External obliques, Transversus. Which is intermediate, deep, and superficial? Internal: intermediate, External: superficial, Transversus: deep.
What are the rotator cuff muscles? Supraspinatus, infraspinatus, teres minor, subscapularis.
Anterior arm muscle that is aprime mover of elbow flexion? Biceps brachii
Muscle of the lower extremity that is a prime mover of thigh extension? Rectus femoris
Muscle that is a a prime mover of wrist flexion? Flexor carpi radialis and flexor carpi ulnaris.
Another name for the diaphragm? The phrenic muscle
What is the point of insertion for the transversus? Linea alba/Pubic crest
Which muscles are considered quadricep muscles? Rectus femoris (Anterior), Vastus intermedius (Medial), Vastus medialis (Medial), Vastus lateralis (Lateral)
Posterior arm muscle that is a prime mover of extension? Triceps brachii
Muscle that is antagonistic to the buccinators? Depressor anguli oris
The strongest chewing muscle? Temporalis
The "laughing muscle"? Zygomaticus major
The point of insertion for the occipitalis? Galea aponeurotica
What is another name for the depressor anguli oris? Triangularis
The point of insertion for muscles of supination? Biceps brachii, the tuberosity of the radius and the fascia of the forearm.
Point of insertion for the gastrocnemius and soleus muscles? Posterior calcaeus via calcaneal tendon (achilles)
The point of insertion for the diaphragm? Central tendon
Another name for the depressor labii inferioris? Quadratus
The adductor longus is a muscle of the? Thigh
The immovable point of attachment of a muscle? The origin
The movable point of attachment of a muscle? The insertion
The SCM is named according to what? It's origin and insertion.
The brachialis is named according to what? It means "arm"
Muscle that acts to turn the palm of the hand posteriorly? The supinator
The galea aponeurotica is associated with this muscle? Occipito-Frontalis
The trapezius is a muscle of the? Back
The psoas major is a posterior muscle of the? Abdomen
The teres major is a muscle of the? Shoulder
The three anterolateral abdominal wall muscles are? External obliques, internal obliques, and transversus.
The anteromedial abdominal muscle of the abdomen is? The rectus abdominus
The pronator teres is a muscle of what? The forearm
The flexor capri radialis is a lteral muscle of the? Forearm
The adductor magnus is located on the medial aspect of the? Thigh
The large two headed muscle of the arm? Biceps brachii
The three headed muscle of the arm? Triceps brachii
This attaches bone to bone? Ligaments
The chief components of the central nervous system? Brain and spinal cord
The chief components of the peripheral nervous system? Cranial nerves and spinal nerves
The part of the autonomic nervous sytem that is most active in the "fight, flight, or fright" response? Sympathetic division
Direction sensory signals are carried by nerve fibers _________ the CNS. Toward
Another name for a nerve cell? Neuron
Sensory signals are afferent or efferent? Afferent
A dendrite is a _____________ for the neuron? Receiving unit
The elongated process of a nerve cell, concerned primarily with the transmission of impulses? Nerve fibers
When many axons, or nerve fibers, are arranged together in parallel bundles, they are called? Nerves
Another term for the brain? Ensephalon
The expansion of the brain's central cavity are filled with cerebral spinal fluid. These are called? Ventricles
The foramen of monro joins the lateral ventricles with the _________ ventricle. Third
The area around the entire CNS that is connected with the ventricles and contains CSF? Subarachnoid space
The fissure that divides the cerebrum into two equal hemispheres? Longitudinal fissure
The frontal lobe is separated from the parietal lobe by the? Central sulcus
The grey matter of the cerebral hemispheres is found in the __________? Cerebral cortex
The name of the fiber tracts that run between the two hemispheres of the cerebrum? Corpus callosum
The three parts of the diencephalon? Thalamus, hypothalamus, and epithalamus
This structure is also called the "gateway" to the cerebral cortex? Thalamus
The most caudal portion of the brain stem? Medulla oblongata
Cranial nerves VIII, IX, X, XI, XII attached to what? The brain stem
The area of the brain that controls equilibrium and muscle coordination? Cerebellum
The name of the middle layer of the meninges? Arachnoid mater
The layer of the meninges that consists of both the perosteal layer and the meningeal layer? Dura mater
Cerebrospinal fluid is produced where? The choroid plexuses
The collection of nerves and roots at the end of the vertebral canal? Cauda equina
The total number of pairs of spinal nerves? 31
Total number of pairs of cranial nerves? 12
The number of pairs of nerves in the cervical-brachial plexus? 3
The cranial nerve that extends beyond the head and neck is called the? Vagus nerve
The cranial nerve that innervates the eye, maxillary, and mandibular regions is the? Trigeminal nerve
Created by: CharliLynn330
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