the loose connective tissue membrane on which the mucous membranes rests

• lamina propria
• dermal papillae
• lamellar corpuscles
• arrector pili

the muscle that contracts to raise your hair when you're startled or cold (hint: Goosebumbs!)

• lamina propria
• dermal papillae
• lamellar corpuscles
• arrector pili

This feature of the papillary layer of the dermis creates the ridges on the skin that allow us to have more grip, which we refer to as fingerprints.

• lamina propria
• dermal papillae
• lamellar corpuscles
• arrector pili

pressure receptors in the reticular layer of the dermis

• lamina propria
• dermal papillae
• lamellar corpuscles
• arrector pili

Melanocytes produce a pigment in the skin that gives us the appearance of "skin color," freckles, etc. What is that pigment?

• keratin
• collagen
• melanin
• none of the above

Keratinocytes produce a fibrous protein that is capable of hardening cells. What is this protein?

• keratin
• collagen
• melanin
• none of the above

Which of the following list the layers of the skin from superficial to deep?

• stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
• stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
• stratum bombardo, stratum sectumsempra, stratum geminio, stratum lumos, stratum crucio
• none of the above

serosal lining of the abdominal cavity, covering its organs

• pericardium
• peritoneum
• pleura
• none of the above

serous membrane around the lungs

• pericardium
• peritoneum
• pleura
• none of the above

serous membrane around the heart

• pericardium
• peritoneum
• pleura
• none of the above