Which muscle primarily abducts the arm?
Deltoid
What type of joint is the shoulder? *structural and functional
Synovial Ball and Socket (structure)
Diarthrosis
Which cranial nerve is responsible for vision?
Optic (CN II)
Which cerebral lobe is located most anteriorly?
Frontal
What transparent structure behind the iris helps focus light onto the retina?
Lens
Which muscle flexes the elbow and supinates the forearm?
Biceps brachii
What ligament helps prevent anterior displacement of the tibia relative to the femur? (Number 2)
Anterior cruciate ligament (ACL)
Which cranial nerve controls muscles of facial expression?
Facial (CN VII)
Which brain structure coordinates movement and balance?
Cerebellum
Which sensory layer of the eye contains photoreceptors?
Retina
Which muscle rotates the head to the opposite side when contracting unilaterally?
Sternocleidomastoid
What endocrine gland is connected to the hypothalamus by the infundibulum?
Pituitary gland
Which cranial nerve is responsible for hearing and equilibrium?
Vestibulocochlear (VIII)
What structure connects the left and right cerebral hemispheres?
Corpus callosum
Which auditory ossicle is attached to the tympanic membrane?
Malleus
Which rotator cuff muscle initiates arm abduction?
Supraspinatus
What material fills the thyroid follicles?
Colloid
Which cranial nerve controls most tongue movements?
Hypoglossal (CN IX)
Which part of the brainstem lies between the midbrain and medulla oblongata?
Pons
Which spiral-shaped inner ear structure is responsible for hearing?
Cochlea
Which quadriceps muscle also flexes the hip?
Rectus femoris
Identify the three zones of the adrenal cortex, from superficial to deep.
Zona glomerulosa, fasciculata, reticularis
Which cranial nerve provides major parasympathetic innervation to thoracic and abdominal organs?
Vagus (CN X)
Which spinal nerve root carries sensory information into the spinal cord?
Posterior (dorsal) root
Which part of the retina is responsible for the sharpest central vision?
Fovea centralis