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Questions (576)

any substance that causes immune system to produce antibodies:antigen interfron toxin immunoglobulin
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Which type of immune hypersensitivity reaction is mediated by T cells?a. type IV (Cell mediated) b. type III (immune complex) c.
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The location in the body where lymphocytes mature in to B cells is thea. thymus b. blood c. lymph nodes d. bone marrow
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a type of T cell that destroys infected cells is a:a. cytotoxic T cell b. memory T cell c. helper T cell d. suppressor T cells
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What do memory B cells do?a. patrol the area and make immune system work faster next time b. makes antibodies c. kills virus d.
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Which of the following are true regarding antigens?a. they are found on our human cells b. they can be found in the environment
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Which of the following are true regarding antigens?a. they are found on our human cells b. they can be found in the environment
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opsonization is whena. antibodies bodies bind to an antigen and activate complement b. antibodies bind to antigens and cause
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Newborns get some antibodies from mothers breastmilk. This is an example ofa. artificially acquired active immunity b. naturally
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Neutralization is whena. antibodies bind to an antigen and activate complement b. antibodies bind to an antigen and enhance
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antibodies are also called:a. complement b. antigens c. immunoglobulins d. serum
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The second line of immune defense includes:a. chemical barriers to infection b. cellular immune responses that are not specific
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The second line of immune defense includes:a. chemical barriers to infection b. cellular immune responses that are not specific
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Which is NOT one of the four characteristic symptoms of inflammation?a. cyanosis b. pain c. swelling d. redness
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Natural killer cells:a. block the complement cascase b. destory virus-infected cell and tumor cells c. block adherence to host
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body's first line of defense against infection is:a. white blood clels b. red blood cells c. physical barriers d. blood plasma
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What chemical is released by the immune system in response to an allergen?dopamine no clue insulin histamine
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the formed elements of blood are ...a. erythrocytes and keukocytes b. platelets, plasma, red blood cells c. erythrocytes,
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the second line of immune defense includesa. cellular immune responses that are not specific to one pathogen b. T cells c.
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What are the cells that are granulocytes?
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Which line of defense includes the skin, sweat, mucous membranes, and normal microbiota?a. third b. second c. first
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lysozymes found in your tears, saliva, and blood are most effective againsta. fungi b. bacteria c. protozoans d. viruses
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Inflammation:a. produces antibodies b. releases natural killer cells c. brings more phagocytes to the damaged/ infected area d.
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Eosinophils are cells that:a. acts like a vasodilator and attracts other cells to that site b. have digestive enzymes that
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cells that ingest pathogrens area. plasma cells b. phagocytic cells c. antibodies d. helper T cells
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Which features of the roman government limited individual power? Two answer
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Neutrophils are considered to be..a. bacteria slayers b. protectors of the lymph nodes c. infection eaters d. guardians of
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The innate immune systema. needs to be primed before it can work to its full effectiveness b. is very specific and only defends
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What is the difference between granulocytes and agranulocytes?a. granulocytes are red blood cells, agranulocytes are white blood
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What does it mean that the immune system needs to recognize "self" from "non-self"?a. immune cells need to be able to recognize
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What are the agranulocytes?a. platelets b. basophils and neutrophils c. eosinophils and neutrophils d. lymphocytes and monocytes
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Liz notices that shortly after cutting her arm accidentally the area around the cut is turning red and feeling hot. Which immune
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Virus infected cells in a person infected with COVID-19 would be releasing ________ which acts as an antiviral and prevent
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The first line of immune defenses describes:a. inflammation b. physical and chemical barriers c. phagocytosis d. b cells
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How did Greek aScientists change the way people viewed and understand the natural world around them?
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Give a brief and clear explanation paragraph about what CRISPR embryoids are? What are some ethical pitfalls if researchers use
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Give a brief and clear explanation about CRISPR embryoids?What are some ethical pitfalls if researchers use genome editing
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What do you think about CRISPR embryoids? Given the discussion on what is an embryo, should researchers use genome editing
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if 1 ml sample is put into a tube that has 24 ml diluent, what is the dilution you prepared? (select all that applies)a. 1:24 b.
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if 1 ml sample is put into a tube that has 24 ml diluent, what is the dilution you prepared?a. 1:24 b. 1:25 c. 1:5 d. 1:1
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Which type of media can be used to determine if a bacteria is motile?a. enriched b. SIM c. Chocolate agar d. MacConkey
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CO2 incubators are used to growa. capnophiles b. aerobes c. viruses d. obligate aerobes
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CO2 incubators are used to growcapnophiles aerobes viruses obligate aerobes
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What is the new point when you rotate a geometric figure with point (5, 8) 270 degrees counterclockwise about the origin? (1
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Directions: Read the case below under Introduction and Physiology. Then, answer the questions below.INTRODUCTION: Dale is a 52
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Read the introduction of this case study and then1. Explain how your stated problem affects the body. Be specific with your
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Sectionalism grew in southern states due to(1 point) O an increase in federal regulations on southern industry. Oholidays
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What reason was given by the Federalists to support the Constitution?(1 point) The United States needed a strong government to
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When you translate a geometric figure horizontally, in which possible directions might you be moving the figure? (1 point)Up or
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When you translate a geometric figure vertically, in which directions might you be moving the figure? (1 point)up or diagonally
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The development of the eye in the human embryo occurs between the 3rd and 10th week of development. The eye develops from
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The development of the eye in the human embryo occurs between the 3rd and 10th week of development. The eye develops from
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Heart development begins asSelected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to
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Match the following terms:1. Paracrine factor 2. Autocrine factor 3. Made by basal cells 4. Regulates proliferation of basal
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Match the following terms:1. Paracrine factor 2. Autocrine factor 3. Made by basal cells 4. Regulates proliferation of basal
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The development of the eye in the human embryo occurs between the 3rd and 10th week of development. The eye develops from
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8. Smallpox is a disease ________.A) in which the virus becomes latent in ganglia of sensory neurons B) in which fever,
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11. How does Helicobacter pylori cause stomach ulcers?A) The glycocalyx protects the bacteria from stomach acid as the bacteria
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10. All of the following pertain to tuberculosis (TB) except ________.A) live bacilli can remain dormant in the lungs and
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Express 2x 3 power 2 x 7
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Express 2 x 32 x 7
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Express 80 as a product of prime numbers with exponents.
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The number 100 expressed as a product of it's prime factors is
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Express 48 as a prime number using exponents.
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I have no idea what to put here
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In this image, the positive space
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Which of the following statements is not true?
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Identity all factors of 43
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Identity all factors of 81
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Identity the whole number factors of 63
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Identity the composite number. 31 51 61 71
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Identity a prime number between 40 and 50
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Which components are included in a written argument? Two answer
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Classify zero 0 as prime or composite.
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Identity the number classified as composite.
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Identity the number classified as prime.
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Determine the number greater than 19 and less 34 that is divisible by 6 and 10
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Determine the number that 88 is divisible bye from the choices provided?
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Which option is the best hook to introduce an argumentative essay about why it is important for kids to have a hobby
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Evaluate the derivative.y=3x^(4π)
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The accompanying table shows the time of useful consciousness at various altitudes in the situation where a pressurized airplane
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Express the function f(x)=g(x)^h(x) in terms of the natural logarithmic and natural exponential functions (base e).f(x)=
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Express the function in terms of the natural logarithmic and natural exponential functions (base ).1.) f(x)=
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Unit 7 Lesson 7 Evaluating formal writingWhat elements should be included in formal writing? (hint: page 8/11 in Lesson 7!)
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The superior colliculus is a (an) _____ reflex center while the inferior colliculus is a (an) _____ reflex center.Select an
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Which area acts as a filter/throughway for sensory information traveling into the primary sensory cortex of the cerebrum?Select
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Multiple select. Choose all that apply:In which of the neuronal structures are voltage-gated ion channels located? Group of
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Which of the following voltages would cause a voltage-gated sodium channel to close from an open state?Group of answer choices
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Multiple select. Choose all that apply:Which of the following functions of neurons is not possible in neurons exposed to
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Multiple select. Choose all that apply:Which of the following functions of neurons is not possible in neurons exposed to
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Multiple select. Choose all that apply:Which of the following protein ion channels are open at rest? Group of answer choices Na+
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Multiple select. Choose all that apply:Which of the following is an event that has to occur to begin/initiate an action
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True/False: exposure to tetrodotoxin may cause paralysis because skeletal muscle cannot contract without communication from a
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How is sex (male/female) determined in birds?a. number of sets of chromosomes b. total number of sex chromosomes c. females have
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How can e.coli be grown in lab?How can e.coli be identified?
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why is it important people know about hay bacillus?
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how does hay bacillus grow in lab?how can hay bacillus be identified?
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Given the formula Y equal 2X [Z plus 3], find Y iF Z equal 2 and X equal 4
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How does the author of what was the American small town like felt about the American small town?Angry Nostalgic Spiteful
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Given the descriptions of the small town stores the author would most likely view modern shopping malls as placesCatering to
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