Which of the following is not in the inner ear

Correct Answer: A

Rationale: The Eustachian tube is part of the middle ear, not the inner ear.

Correct Answer: D

Rationale: The ciliary body is an extension of the choroid layer of the eye.

Correct Answer: B

Rationale: One function of membrane proteins is to receive(amino acid based) hormones that cannot pass through the plasma membrane.

Correct Answer: C

Rationale: Keratinocytes are in the epidermis which is epithelial tissue. The other cell types occur in fat, cartilage and bone.

Correct Answer: C

Rationale: Pleura is around the lung, while visceral refers to the layer of the pleura that is attached to the lung surface.