Which of the following is NOT a lipid?

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ATI RN Test Bank

A. Amino acids B. Fats C. Phospholipids D. Steroids

Correct Answer: A

Rationale: Amino acids are protein monomers, not lipids.

Epithelial tissue receives nutrients from the the epithelial tissue.

A. blood vessels associated with B. cartilage tissue that surrounds C. connective tissue beneath D. muscle tissue beneath

Correct Answer: C

Rationale: Epithelium is avascular; nutrients diffuse from underlying connective tissue's blood vessels.

Identify the function of keratin.

A. Aid in absorption B. Move materials past cells C. Provides a waterproof barrier D. Secrete mucous

Correct Answer: C

Rationale: Keratin, in stratified squamous epithelium (e.g., skin), waterproofs and protects.

Identify the tissue type that forms the framework of the outer ear?

A. Hyaline cartilage B. Fibrocartilage C. Elastic cartilage D. Dense connective tissue

Correct Answer: C

Rationale: Elastic cartilage, flexible with elastin, shapes the outer ear.

What type(s) of muscle tissue is(are) striated?

A. skeletal B. smooth C. cardiac D. skeletal and cardiac

Correct Answer: D

Rationale: Skeletal and cardiac muscle are striated; smooth muscle lacks striations.

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