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Biology Lab: Dissection of Rattus Norvegicus

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Biology Lab: Dissection of Rattus Norvegicus

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Questions and Answers

What is the purpose of raising structures with forceps during dissection?

To remove organs from the body cavity

To cut through organs quickly

To preserve the organs for future use

To observe what lies underneath without cutting (correct)

What is the term for the sensory hairs located on the rat's face?

Vibrissae (correct)

Incisors

Nictitating membrane

Whiskers

How many anatomical regions does the rat's body have?

Four

Six (correct)

Seven

Five

What is the function of the large front incisors in rats?

To gnaw and continuously grow Signup and view all the answers

What is the purpose of the nictitating membrane in the rat's eye?

To protect the eye from dust Signup and view all the answers

Why should organs not be discarded until all sections of the dissection are completed?

To allow for further examination Signup and view all the answers

What is the function of the diaphragm in the respiratory system of a rat?

To draw air into the chest cavity Signup and view all the answers

What is the purpose of the liver in the digestive system of a rat?

To produce bile to aid in the digestion of fats Signup and view all the answers

What is the function of the trachea in the respiratory system of a rat?

To transport air from the neck to the chest Signup and view all the answers

Which organ is responsible for storing glycogen in a rat?

Liver Signup and view all the answers

What is the purpose of the bronchioles in the respiratory system of a rat?

To split into smaller tubes that extend into the lungs Signup and view all the answers

What is the function of the anus in a rat?

To eliminate waste from the body Signup and view all the answers