Muscles and Actions
Joints and Endocrine
Cranial Nerves
Brain and Spinal Cord
Special Senses
100

Which muscle primarily abducts the arm?

Deltoid

100

What type of joint is the shoulder? *structural and functional

Synovial Ball and Socket (structure)

Diarthrosis


100

Which cranial nerve is responsible for vision?

Optic (CN II)

100

Which cerebral lobe is located most anteriorly?

Frontal

100

What transparent structure behind the iris helps focus light onto the retina?

Lens

200

Which muscle flexes the elbow and supinates the forearm?

Biceps brachii

200

What ligament helps prevent anterior displacement of the tibia relative to the femur? (Number 2)

Anterior cruciate ligament (ACL)

200

Which cranial nerve controls muscles of facial expression?

Facial (CN VII)

200

Which brain structure coordinates movement and balance?

Cerebellum

200

Which sensory layer of the eye contains photoreceptors?

Retina

300

Which muscle rotates the head to the opposite side when contracting unilaterally?

Sternocleidomastoid

300

What endocrine gland is connected to the hypothalamus by the infundibulum?

Pituitary gland

300

Which cranial nerve is responsible for hearing and equilibrium?

Vestibulocochlear (VIII)

300

What structure connects the left and right cerebral hemispheres?

Corpus callosum

300

Which auditory ossicle is attached to the tympanic membrane?

Malleus

400

Which rotator cuff muscle initiates arm abduction?

Supraspinatus

400

What material fills the thyroid follicles?

Colloid

400

Which cranial nerve controls most tongue movements?

Hypoglossal (CN IX)

400

Which part of the brainstem lies between the midbrain and medulla oblongata?

Pons

400

Which spiral-shaped inner ear structure is responsible for hearing?

Cochlea

500

Which quadriceps muscle also flexes the hip?

Rectus femoris

500

Identify the three zones of the adrenal cortex, from superficial to deep.

Zona glomerulosa, fasciculata, reticularis

500

Which cranial nerve provides major parasympathetic innervation to thoracic and abdominal organs?

Vagus (CN X)

500

Which spinal nerve root carries sensory information into the spinal cord?

Posterior (dorsal) root

500

Which part of the retina is responsible for the sharpest central vision?

Fovea centralis