Explanation

Explanation

In epiglottitis, the epiglottis appears swollen and enlarged (the thumb or thumbprint sign)

Explanation

The presence of blood-stained and foul-smelling nasal discharge can indicate an infection or irritation caused by the rhinolith.

If someone experiences these symptoms, it's essential to consult a healthcare professional for proper diagnosis and treatment.

Explanation

The influenza pandemic occurs every 7 to 10 years and is known as a cyclic or periodic distribution

This cyclical pattern is characteristic of certain infectious diseases,

including influenza, which exhibits periodic outbreaks or epidemics on a global scale.

Explanation

The development of the bladder begins during week four when the urogenital septum divides the cloaca into two parts:

• the rectum posteriorly 
• the urogenital sinus anteriorly

The urogenital sinus will continue to grow to form the bladder, with the inferior end forming the urethra