Nothing. It is an automatic response to the tongue depressor.
If a tongue depressor was placed in your mouth, then your mouth had to be open in the first place.
The functions of a tongue depressor is to keep the tongue down long enough to examine the throat area and glands
tongue depressor
Tongue depressor
A tongue depressor.
they use a thermometer, stethoscope, tongue depressor, (etc).
Indirect laryngoscopy uses a mirror to view the epiglottis.
The giant wooden popsicle stick is called a tongue depressor, as it presses the tongue out of the way so the doctor can see the back of the throat.
The person's tongue is held down with a tongue depressor, as a healthcare worker moves a sterile, cotton-tipped swab across the back of the throat and tonsil region.
To observe pharyngeal wall, back of moth, & especially tonsils that bulge on tongue depression. Bacterial tinsillitis is very common in paediatrics, & will cause whitish rash on tonsils.
A typical tongue depressor measures about 15 to 18 centimeters (6 to 7 inches) in length, 1.5 to 2 centimeters (0.6 to 0.8 inches) in width, and is approximately 2 to 4 millimeters (0.08 to 0.16 inches) thick. These dimensions may vary slightly depending on the manufacturer, but they generally conform to these standard sizes for ease of use in medical examinations.