Biology and Anatomy Quiz

What is the primary function of desmosomes?

• To provide adhesion in areas subjected to stress

• To hold cells together and form a permeability barrier

• To attach epithelial cells to the basement membrane

• To aid intercellular communication

Which type of secretion involves the shedding of entire cells?

• Merocrine

• Eccrine

• Holocrine

• Apocrine

What is the role of osteoclasts in bone tissue?

• To form bone

• To maintain bone

• To store calcium

• To break down bone

Which type of cartilage provides support with some flexibility?

• Adipose tissue

• Hyaline cartilage

• Fibrocartilage

• Elastic cartilage

What is the function of gap junctions?

• To attach epithelial cells to the basement membrane

• To aid intercellular communication

• To provide a weak glue to hold cells together

• To hold cells together and form a permeability barrier

Which layer of the skin is made of dense, irregular connective tissue?

• Stratum Basale

• Epidermis

• Dermis

• Hypodermis

What is the primary function of sebaceous glands?

• To secrete sweat

• To secrete oils that lubricate and protect the skin

• To store fat for energy

• To produce melanin

What is the main function of the periosteum?

• To form the outer surface of the bone

• To connect bones to muscles

• To store adipose tissue

• To line the medullary cavity

Which of the following is a manifestation of tissue damage and inflammation?

• Bone growth

• Decreased blood flow

• Redness and swelling

• Increased flexibility

What is the role of the stratum basale in the epidermis?

• To secrete oils

• To have high mitotic activity and become keratinized

• To store fat for energy

• To provide a barrier against UV light