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

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.