What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 4, Problem 4MC
Summary Introduction
Introduction:
Cellular fingerprints are made of the various molecules on the cell surface and vary among cell types.
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Explain why each choice (a-d) is correct or incorrect.
Allergens differ from antigens because
a. Allergens produce an abnormally large immune response to what is an otherwise harmless particle.
b. Allergens do not involve the leucocytes, they simple stimulate the inflammatory response.
c. Allergens are only active seasonally and are generally harmless to the body.
d. Allergens are primarily plant derived while antigens are bacterial or viral in nature.
During removal of cancerous tissue in breast cancer, lymph nodes in the armpit are also removed (if found cancerous). As a result,
a. cancer will reoccur at the original site
b. Breast tissue will remain free of cancer, but remaining lymph nodes will become cancerous
c. Lymph nodes will remain free of cancer, but remaining breast tissue will become cancerous
d. There will recurrent infections in the associated arm
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Henry showed his mother the bite mark that he just received from a large bug
in his backyard as he was playing. His mother noticed the reddened zone on the
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and painful to the touch.
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Which of the following best describes the results of the bite described above?
Select all answers that apply.
A
B
atrophy
necrosis
C inflammation
D apoptosis
Chapter 4 Solutions
What Is Life? A Guide to Biology with Physiology
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- are cytolytic proteins that binds to target cell's plasma membrane to form pores. a. Chemokines b. Perforins c. Cytotoxicity d. Interferonsarrow_forwardExplain why each choice (a-d) is correct or incorrect. All but one of the following occurs during the inflammatory response. Select the example below that does NOT describe the process of inflammation. a. Inflammation increases capillary permeability. b. Chemotaxis draws leucocytes to the site of injury. c. Vasoconstriction prevents excessive blood loss due to injury. d. Release of prostaglandins results in pain.arrow_forward(1) In antibody structure, where are can we find unique variable domains? A. at the tip of each polypeptide chain B. on the stem region of the antibody C. at the bottom of each polypeptide chain D. only on immunoglobulin E (2) The stem region of the antibody determines the: A. general immunological mechanism of action B. specific inflammatory response C. specific immunological mechnism of action D. shape of the variable domains (3) Antibodies are proteins that consists of ------ polypeptides in a ------ shaped structure. A. three, X B. four, Y C. five, clover D. two, Yarrow_forward
- Which of the following statements is _false_ regarding phagocytosis? A. It can ingest large particles. B. It involves the projection of pseudopods. C. It is used by amoebae to ingest food. D. It is mediated by clathrin at the plasma membrane. E. It is used by macrophages and neutrophils to ingest bacteriaarrow_forwardCarina is a 15 year-old girl presents with acute-onset skin eruptions on her face. A punch biopsy obtained from her normal skin is shown in the figure below. Which of the following cells synthesize the structure labeled by the black arrow in the figure? Describe its characteristics. a. fibroblast b. plasma cells c.mast cells d.macrophagesarrow_forwardMembrane-bound proteins that assist in maintaining contact between various human cell types are known as Select one: a. Interferons b. Adhesion molecules c. GTP-binding proteins Od. Pyrogens Pentraxins e.arrow_forward
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