Multiple Choice
Which of the following is/are secreted by leukocytes and macrophages and result(s) in a fever?
21. The Immune System
First-Line Defenses: Chemical Barriers
Back21. The Immune System
First-Line Defenses: Chemical Barriers
- Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d.Interleukin-1 is a cytokine that prevents viral replication in infected cells.
- Open Question
Eileen presents with flu-like symptoms, including fever, chills, and body aches.
c. What might it mean if lymphocytes instead of neutrophils were elevated? Explain your reasoning.
- Open QuestionInterferons are referred to as antiviral proteins. What stimulates their production, and how do they protect uninfected cells? Which cells of the body secrete interferons?
- Multiple ChoiceWhich of the following is NOT a sign of inflammation?
- Open QuestionMultiple ChoiceMore than one choice may apply.Which of the following are among the most common indicators of inflammation?a. Phagocytosisb. Edemac. Leukocytosisd. Pain
- Multiple ChoiceA moderate fever is an example of an innate body defense.
- Open Question
Eileen presents with flu-like symptoms, including fever, chills, and body aches.
a. What part of the immune response is likely producing these symptoms?
- Open QuestionInterferons are referred to as antiviral proteins. What stimulates their production, and how do they protect uninfected cells?
- Multiple ChoiceWhen a localized area exhibits increased capillary filtration, hyperemia, and swelling, it is an indication that __________.
- Open QuestionCompared with innate defenses, adaptive defenses (a) do not distinguish between one threat and another, (b) are always present at birth, (c) protect against threats on an individual basis, (d) deny the entry of pathogens to the body.
- Multiple ChoiceWhich of the following is NOT one of the cardinal signs of inflammation?
- Multiple ChoiceWhich of the following is NOT a property of interferons (IFNs)?
- Open Question
Eileen presents with flu-like symptoms, including fever, chills, and body aches.
b. You order blood work and find that the number of neutrophils in the blood is greatly elevated. What does this tell you about the likely type of pathogen involved? Explain.
- Open QuestionWhat is complement? Besides bacterial lysis, what are some of the roles of complement?