The Nervous System
The Nervous System QUICK LOOK AT THE CHAPTER AHEAD The nervous system is composed of complex interconnections that allow every system in the body to work in a synchronized way….
Questions and Answers
Questions and Answers PART III · QUESTIONS 1. Which of the following statements concerning vitamin B12 is correct? a. Vitamin B12 is absorbed in the stomach. b. Vitamin B12 requires…
Common Anemias
Common Anemias QUICK LOOK AT THE CHAPTER AHEAD Anemias are common disorders with numerous causes. Some anemias can be easily treated, and some have lifelong life-threatening consequences. Anemias are considered…
Acquired Immunodeficiency Syndrome
Acquired Immunodeficiency Syndrome QUICK LOOK AT THE CHAPTER AHEAD Acquired immunodeficiency syndrome (AIDS) is a result of cell-mediated (T cell) immune system failure caused by the proliferation of the human…
Questions and Answers
Questions and Answers PART II · QUESTIONS 1. A nurse conducting a community health education program stresses that Lyme disease is caused by a _____________. a. Spirochete b. Virus c….
Lyme Disease and Systemic Lupus Erythematosus
Lyme Disease and Systemic Lupus Erythematosus QUICK LOOK AT THE CHAPTER AHEAD Lyme disease was first identified in 1975 in Old Lyme, Connecticut. Some deer and small mammals such as…
Antigens, Antibodies, and Immunity
Antigens, Antibodies, and Immunity QUICK LOOK AT THE CHAPTER AHEAD An antigen is any substance recognized as foreign by the immune system and therefore capable of producing an immune response….
Leukocytes
Leukocytes QUICK LOOK AT THE CHAPTER AHEAD Leukocytes, or white blood cells (WBCs), have specific functions involving the inflammatory process, namely, to defend the body against infection and to clean…
Infectious Microorganisms
Infectious Microorganisms QUICK LOOK AT THE CHAPTER AHEAD Many microorganisms live on the internal and external exposed surfaces of the human body without causing harm. When the normal balance of…
Immune Response
Immune Response QUICK LOOK AT THE CHAPTER AHEAD Immune system functions include protecting the body against invasion by foreign substances, such as microorganisms like bacteria; maintaining homeostasis by removing damaged…
