BIOLOGY 12TH ED (LL) W/ CONNECT
BIOLOGY 12TH ED (LL) W/ CONNECT
12th Edition
ISBN: 9781264898091
Author: Raven
Publisher: MCG
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Chapter 50, Problem 2S
Summary Introduction

To explain:

The activities of innate defense system and the events that are happening to the skin.

Introduction:

The new kitten of individual scratches her roommate and the skin is turning red, warm and sore on touch. The roommate thought she contracted some fatal infection, but the individual is discussing the activities of the innate system with her. Innate defense or non-specific defense provides general response towards the pathogen. Its mechanism includes inflammatory responses that play an important role by providing defense against pathogens.

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Which of the following is a component of the first line of defense in the innate defense system?     T cell activation     phagocyte and natural killer cell activation     secretion of sweat and sebum onto the epidermis     all the above     a and b
Write T if the statement is correct; write F if the statement is not correct. Bacterial LPS is recognized by TLR3. "  " TLRs act as an alarm system to alert both the innate and adaptive immune systems that an infection is brewing. "  " Cytokines released by activated macrophages increase permeability of blood vessels. "  " Acute phase proteins are produced by activated macrophages. "  " TNF-alpha may be released systemically. "
MS can lead to scarring (plaques) in the CNS visible by MRI. The cells most associated with this is:       T cells     Astrocytes     Microglia     Oligodendrocytes     Natural killer (NK) cells     B cells

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BIOLOGY 12TH ED (LL) W/ CONNECT

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