Sight, hearing, smell, taste, and touch — the anatomy, the pathways, and the 32 diseases you'll actually see referenced in practice.
Everything this chapter covers, at a glance.
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Follow a beam of light from the cornea to "seeing" it in the brain.
All about where light focuses relative to the retina.
From vibration in the air to a sound "heard" in the brain.
⚖️ Balance: The inner ear's semicircular canals handle equilibrium separately from hearing — hairlike receptors embedded in a gelatin-like material shift as the head moves, sending position signals to the brain.
Filter by system, then tap a card for description, signs/symptoms, etiology, and treatment.
The instruments and tests you'll hear referenced constantly.
Each receptor type perceives a different sensation.
What tends to shift as people get older.
Vision: Children often start myopic (nearsighted) and may change by adulthood. Older adults develop presbyopia (can't focus up close); arteriosclerosis/atherosclerosis, cataracts, and glaucoma become more common with age.
Hearing: Children typically have acute hearing; older adults gradually lose hearing (sometimes needing a hearing aid). Young children are more prone to otitis media due to horizontally-positioned eustachian tubes.
Touch & Taste: Both senses tend to dull with age. Reduced touch sensitivity means older adults must be extra careful with hot items and may not notice injuries right away. Numbness/tingling in the fingers can make fine tasks harder.
The chapter, broken into digestible sticky notes.
All answer choices are laid out — just tap the one you think is right.