Chapter Questions
Which of the following can be classified as stressors?a. eating a heavy mealb. coming down with strep throatC. beginning a new college semesterd. All of the above are stressors.
Innate immunity includes all of the following EXCEPT________.a. the skin and mucous membranesb. phagocytesc. antibodies and immune cellsd. the complement system
The phase of the General Adaptation Syndrome that begins with a large dumping of epinephrine into the system is __________a. the alarm phaseb. the resistance phasec. the exhaustion phased. All of the phases include dumping epinephrine.
Identify the structure labeled B on this diagram.a. epidermisb. hypodermisc. dermisd. adipose tissue
Which structure is directly responsible for thermal homeostasis?a. Ac. Db. $\mathrm{C}$d. G
The function of melanocytes is toa. produce keratinb. maintain internal temperaturec. produce dark pigments to absorb lightd. store energy for later use
Oil glands are located everywhere on the skin, including the face and lips.a. Trueb. False
The chemical defense that destroys bacteria is called _________a. immunityb. the complement systemc. interferond. phagocytosis
The type of innate defense against pathogens seen in this figure isa. inflammationc. interferonb. feverd. phagocytosis
The lymphatic system is anatomically similar to the circulatory system, with a series of vessels that transport lymph to and from the heart.a. Trueb. False
Identify the structure indicated as A on the diagram.a. Iymph nodec. Peyer's patchb. tonsild. spleen
Humoral immunity employs __________.a. T cells b. B cellsc. antibodiesd. All of the above are correct.
Specific immunity requires cells to demonstrate specificity, memory, and self-recognition.a. Trueb. False
The type of $T$ cell that binds an antigen, clones to amplify the signal, and then stimulates the B cell that will produce the matching antibody is thea. natural killer T cellb. thymic cellc. $\mathrm{APC}$ celld. helper T cell
The type of immune cell causing the reaction seen here, where the pathogenic cell is attacked by released perforin, is thea. helper $\mathrm{T}$ cellb. cytotoxic $\mathrm{T}$ cellc. HLA celld. antigen-presenting cell