A&P Day 6

Which lobe of the cerebral cortex is primarily responsible for processing visual information?

• Frontal lobe

• Occipital lobe

• Parietal lobe

• Temporal lobe

What is the name of the outermost layer of the meninges surrounding the spinal cord?

• Pia mater

• Dura mater

• Arachnoid mater

• Endoneurium

Which structure in the eye is responsible for focusing light onto the retina?

• Cornea

• Lens

• Iris

• Sclera

Which part of the ear contains the organ of Corti, the primary auditory receptor?

• Tympanic membrane

• Cochlea

• Semicircular canals

• Eustachian tube

Which tract carries fine touch and proprioceptive information from the body to the brain?

• Spinothalamic tract

• Corticospinal tract

• Dorsal column-medial lemniscal tract

• Rubrospinal tract

Given a cross-section of the spinal cord, identify which region contains the cell bodies of sensory neurons.

• Dorsal horn

• Ventral horn

• Lateral horn

• Central canal

Which sequence correctly traces the pathway of sound from the external environment to the auditory cortex?

• Tympanic membrane → cochlea → auditory nerve → thalamus → auditory cortex

• Cochlea → tympanic membrane → auditory nerve → thalamus → auditory cortex

• Auditory nerve → cochlea → tympanic membrane → thalamus → auditory cortex

• Tympanic membrane → auditory nerve → cochlea → thalamus → auditory cortex

Which of the following best describes the pathway for pain and temperature sensation from the body to the brain?

• Dorsal column-medial lemniscal pathway

• Spinothalamic tract

• Corticospinal tract

• Vestibulospinal tract

A patient presents with expressive aphasia. Which area of the cerebral cortex is most likely damaged?

• Broca’s area

• Wernicke’s area

• Primary visual cortex

• Angular gyrus

If the dorsal root of a spinal nerve is severed, which function will be lost?

• Motor function

• Sensory function

• Both motor and sensory function

• Autonomic function only