Anatomy quiz 1 questions

the spinal cord has

a core of gray matter surrounded by white matter

the intermediate radioulnar joint exists between the radius and the ulna. the two bones are joined together by a high collagen sheet of dense connective tissue. This joint that allows slight movement and flexibility between the two bones. what specific type of joint is this?

a fibrous syndesmotic joint

which of the following is found in the posterior group of forearm muscles

abductor pollicis longus

the muscle that opposes a particular action is called the

antagonist

when someone taps you on the shoulder, they stimulate the ___ nerve

axillary

as a person is vigorously rowing a boat, they suddenly experience extreme pain in their upper arm and no longer can extend at the elbow joint. which of the following is probably the injured muscle

triceps brachii

when a person hits their funny bone, they cause temporary damage to the ___ nerve

ulnar

dendrites on unipolar neurons are parts of

sensory neurons

of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards?

supinator

a muscle that assists the agonist is a

synergist

a muscle that extends both the wrist and the index finger is the

extensor indices

organize the following parts of a muscle from smallest to largest

filament, myofibril, muscle fiber (myofiber), fascicle, muscle

teres major and teres minor are NOT involved in

flexion and abduction of the arm

movements permitted by the elbow joint between the humerus and ulna are

flexion and extension

the rotator cuff muscles

hold the head of the humerus in the glenoid fossa of the scapula

the somatic nervous system consists of nerve fibers that connect the CNS to the ____, whereas the autonomic nervous system consists of fibers that connect the ____

Skin and skeletal muscles; CNS to the visceral organs

which vessel is often used to draw blood from

cephalic

the superficial vessels typically seen in the hand and forearm are tributaries of the __and __ veins

cephalic and basilic

the nervous system

controls the movement of muscles

the branch of a spinal nerve that innervates deep muscles on the dorsal thorax is the

dorsal ramus

the thickest of the meninges is the

dura mater

the anconeus works with the triceps brachii to

extend the forearm

which of the following muscles is part of the rotator cuff?

infraspinatus

three general functions of the nervous system are

integrate, moror, sensory

which of the following veins is NOT involved in draining blood from the brachium

median cubital vein

an injury to the wrist that results in edema in the carpal tunnel would compress the

median nerve

the brachial plexus supplies nerves that function to contract which of the following

muscles of the arm and forearm

a muscle that is attached to a less moveable or relatively fixed part is called the

origin

the central nervous system consists of

the brain and spinal cord

what is found in the dorsal root ganglion

the cell bodies of pseudo-unipolar sensory neurons