1. ACTIVE LECTURE QUESTIONS Barbara Hunnicutt Seminole Community College Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 4 Skin and Body Membranes

2. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 38. The lining of the lungs is called the a.peritoneum. b.pericardium. c.pleural membrane. d.serous membrane.

3. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The lining of the lungs is called the pleural membrane, which is a serous membrane.

4. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 39. These cells produce the waterproof outer surface of the skin. a.Melanocytes b.Lipocytes c.Keratinocytes d.Integumentocytes

5. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Keratinocytes produce keratin, which waterproofs the skin. Melanocytes produce melanin, a brownish pigment.

6. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 40. These projections of the upper dermal layer contribute to the formation of fingerprints. a.Microvilli b.Dermal inclusions c.Stratum lucidum d.Dermal papillae

7. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Dermal papillae contribute to the formation of fingerprints. The stratum lucidum is a layer of the epidermis.

8. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 41. These glands lose part of their fatty acid content when they release their secretions. a.Merocrine b.Eccrine c.Apocrine d.Holocrine

9. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Apocrine glands lose part of their fatty acid content when they release their secretions. Merocrine or eccrine glands merely release their secretions, and holocrine glands give their whole life to release their secretions. (Serves a sebaceous gland right for giving you that pimple.)

10. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 42. This smooth muscle contracts to give you goose bumps. a.Dermal papillae b.Arrector pilli c.Skeletal muscle d.Dermal sheath

11. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Arrector pilli muscles contract to give you goose bumps. The dermal papillae contribute to the formation of fingerprints.

12. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings 43. This skin problem occurs frequently in children and forms water-filled lesions which crust over. a.Impetigo b.Dermatitis c.Psoriasis d.Carbuncles

13. Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Impetigo is highly contagious and often found in school-age children. Psoriasis produces red lesions covered by silvery scales.