BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 50, Problem 4A
Suppose that you get a paper cut while studying. Arrange the following into the correct order in time.
a. Injured epidermal cells release histamine.
b. Bacteria enter the cut.
c. Helper T cells are activated.
d. Macrophages engulf bacteria.
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Chapter 50 Solutions
BIOLOGY
Ch. 50.1 - Prob. 1LOCh. 50.1 - Prob. 2LOCh. 50.1 - Prob. 3LOCh. 50.2 - Prob. 1LOCh. 50.2 - Prob. 2LOCh. 50.2 - Prob. 3LOCh. 50.3 - Prob. 1LOCh. 50.3 - Prob. 2LOCh. 50.4 - Explain how antibody diversity is generated.Ch. 50.4 - Prob. 2LO
Ch. 50.4 - Prob. 3LOCh. 50.5 - Define autoimmune diseases.Ch. 50.5 - Prob. 2LOCh. 50.6 - Explain antigenantibody reactions in the ABO blood...Ch. 50.6 - Prob. 2LOCh. 50.6 - Prob. 3LOCh. 50.7 - Prob. 1LOCh. 50.7 - Prob. 2LOCh. 50 - How would a high level of HCG present in a urine...Ch. 50 - What would happen if an NK cell killed a virally...Ch. 50 - Prob. 2IQCh. 50 - Prob. 3IQCh. 50 - Prob. 4IQCh. 50 - Cells that target and kill body cells infected by...Ch. 50 - Structures on invading cells recognized by the...Ch. 50 - Which one of the following acts as the alarm...Ch. 50 - Prob. 4UCh. 50 - Receptors that trigger innate immune responses a....Ch. 50 - Diseases in which the persons immune system no...Ch. 50 - Suppose that a new disease is discovered that...Ch. 50 - You start a new job in a research lab. The lab...Ch. 50 - In comparing T-cell receptors and immunoglobulins...Ch. 50 - If you have type AB blood, which of the following...Ch. 50 - Suppose that you get a paper cut while studying....Ch. 50 - If you wanted to cure allergies by bioengineering...Ch. 50 - Why do we need to be repeatedly vaccinated for...Ch. 50 - Prob. 7ACh. 50 - Suppose you take a job in the marketing department...Ch. 50 - Prob. 2SCh. 50 - Prob. 3SCh. 50 - Toll-like receptors have been found in a wide...
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- Which cell is not a phagocyte?a. neutrophil c. dendritic cellb. lymphocyte d. macrophagearrow_forwardAs individuals age, the number of collagen fibers that are found in the dermis of the skin decreases. What are the results of decreased collagen fibers in the dermis? Select all that apply. A The skin loses firmness and becomes wrinkled B The skin develops necrosis and slowly begins to die. C The inflammation levels in the skin increase drastically. The wound healing process in the skin is slower.arrow_forward1) Identify the following cells and give their specific function. a. Melanocytes b. Merkel cells c. Langerhans cells 2) Differentiate between apocrine sweat glands and eccrine sweat glands. 3) What are sebaceous glands? What do they secrete and to what structures are they most associated? 4) Identify the following receptors and give their specific functions. a. Free nerve endings b. Merkel's ending Meissner's corpuscles C. d. Pacinian corpusclesarrow_forward
- Soap, as in baby wipes, can encourage the movement of antigens through the epidermis to dermal immune cells, increasing the risk of development of allergies to those antigens True The whole statement is true. False Some of the statement is false.arrow_forwardWhen a mast cell reacts to an irritation, which of the following chemicals does it release?a. collagenb. histaminec. hyaluronic acidd. meylinarrow_forwardToll-like receptors (TLRS) act to A. cause phagocytic chemotaxis. B. induce phagocytosis. C. bind microbial proteins and polysaccharides. D. destroy microbial cells. You may select zero, one, or many answers.arrow_forward
- Choose the combination of answers that most accurately completes the statement. Which of the following substances is not produced by phagocytes to destroy engulfed microorganisms? a. hydroxyl radical b. superoxide anion c. hydrogen peroxide d. bradykininarrow_forwardChoose the combination of answers that most accurately completes the statement. An example of an exogenous pyrogen is a. interleukin-1 c. interferon b. complement d. endotoxinarrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement.a. Melanocytes account for the bulk of the epidermis. b. Keratinocytes begin life in the stratum corneum and gradually are pushed into the stratum basale. c. Dendritic cells are phagocytes of the immune system that protect the skin and deeper tissues from invasion by pathogens. d. Merkel cells produce the pigment melaninarrow_forward
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