Question

Fifth cranial nerve of frog is called as

• A. Optic nerve
• B. Vagus nerve
• C. Trigeminal nerve
• D. Opthalmic nerve

Answer 1

Answer: (C)

Trigeminal nerve

The Trigeminal nerve is fifth cranial nerve of the frog. It arises from lateral sides of the medulla oblongata.
Vagus is a large mixed and 10th cranial nerve. It regulates the respiration rate, heart rate and digestive activities.
The optic is the second sensory cranial nerve, which brings in the sensorry message from the nose.
Olfactory is the first sensory nerve, which brings in smell message from the nose.