Advanced Anatomy
Which part of the nervous system controls involuntary actions like your heartbeat?
The autonomic nervous system.
What do we call the quick, automatic responses to stimuli that don't involve the brain, like pulling away from a hot stove?
Reflexes.
Which division of the nervous system prepares the body for "fight or flight" situations?
The sympathetic nervous system.
What do we call the tiny sensory organs on the tongue that send taste signals to the brain?
Taste buds.
Severe, sharp facial pain triggered by simple actions like brushing your teeth is a condition known as trigeminal ____.
Neuralgia
What are the tiny, grape-like air sacs in the lungs where oxygen enters the blood?
The alveoli.
Vaping and e-cigarettes can cause severe irritation to both lung tissues and the delicate tissues inside the mouth
Mucosal tissues.
When a patient feels extreme fear or panic about going to the dentist, they are experiencing this.
Dental anxiety/phobia.
What structure acts as a flap to close off the windpipe when you swallow food so you don't choke?
The epiglottis.
nitrous oxide gas used in dentistry is inhaled through the nose and enters this body system first.
The respiratory system.
Children who are chronic mouth breathers due to airway issues can develop a distinct facial structure called mouth-breathing ____.
Facies.
What are the two main branches that split off from the trachea into each lung?
The bronchi.
Local anesthetics used by dentists work by blocking these specific ions from entering nerve membranes, stopping pain signals.
Sodium ions.
How poor oral hygiene can affect the lungs of a bedridden patients who accidentally inhale mouth bacteria.
Aspiration pneumonia.
What sticky substance from cigarette smoke stains teeth yellow-brown and paralyzes the hair-like cilia in the respiratory tract?
Tar.