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Chemistry LibreTexts

14.05 Week14 Quiz

  • Page ID
    184667
  • cc_profilecc.exam.v0p1qmd_assessmenttypeExaminationqmd_scoretypePercentagecc_maxattempts1
    cc_profilecc.multiple_choice.v0p1Diseases such as cancer and heart disease are not considered to be infectious diseases because they aretoo serious to be caused by germs.caused by viruses rather than bacteria.not passed from one person to another.unlikely to run in families.3100cc_profilecc.multiple_choice.v0p1Which of the following could transfer a pathogen that spreads by direct contact only?kissing an infected persongetting bitten by an infected mosquitotouching an infected door knobbreathing in an airborne pathogen5100cc_profilecc.multiple_choice.v0p1Which of the following prevents pathogens from ever entering the body?sneezingimmunityantibodiesskin12100cc_profilecc.multiple_choice.v0p1Which cells work to destroy body cells infected by a pathogen?T cellsB cellsbasophilsphagocytes13100cc_profilecc.multiple_choice.v0p1Antibodies can make it easier for phagocytes to destroy pathogens by causing the pathogens toclump together.produce enzymes.burst open.shrivel up.17100cc_profilecc.multiple_choice.v0p1Cellular immunity and humoral immunity are similar because they bothdepend on interferons.produce acquired immunity.cause pathogens to clump.require activated B cells.22100cc_profilecc.multiple_choice.v0p1Antigens are important because they help the immune systemengulf infected body cells.cause pathogens to clump.recognize foreign cells.produce T cells.27100cc_profilecc.multiple_choice.v0p1What function do T cells have in humoral immunity?They produce antibodies.They activate B cells.They engulf pathogen clumps.They display antigens on their membrane.30100cc_profilecc.multiple_choice.v0p1Chemicals that target specific bacteria and fungi inside the body and prevent them from reproducing are calledtoxoids.vaccines.antiseptics.antibiotics.36100cc_profilecc.multiple_choice.v0p1Which of the following is true of allergens?They are present only in peanuts.They have the same effect on everyone.They make the immune system overreact.They cannot cause anaphylaxis.39100cc_profilecc.multiple_choice.v0p1In an autoimmune disease, immune system cells attackpathogens only.healthy cells.respiratory allergens.abnormal growths.42100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Why is the immune response after reinfection much faster than the adaptive immune response after the initial infection?</p>100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Different MHC class I molecules between donor and recipient cells can lead to rejection of a transplanted organ or tissue. Suggest a reason for this.</p>100