In mumps, what glands swell to produce the disease’s characteristic appearance?
the sublingual glands
the gastric glands
the parotid glands
the submandibular glands

The correct option is : c. The parotid glands      

Explanation:

Mumps is a viral disease, caused due to the mumps virus. It is an airborne disease and is highly contagious in nature. The general characteristics of this disease include fever, headache, muscle pain, poor appetite. This disease leads to painful swelling of the parotid salivary glands. In this disease, one or both of the parotid salivary glands can show swelling.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

the correct answer in apex is tissue development, i know because i just had this question