a scavenger cell that will destroy foreign substances
a scavenger cell that will destroy foreign substances
Homework Answers
Macrophages are scavenger cells that freely circulate in tissues and take part in phagocytosis. Monocytes after released from bone marrow into circulation and when these leave circulation into tissues they differentiate into macrophages. Also these macrophages in different tissues are called with different names like histiocytes, kuffer cells etc. These cells take part in innate immunity.
Which of the following types of cells stimulates other immune cells to attack and destroy foreign...
Which of the following types of cells stimulates other immune cells to attack and destroy foreign agents? A. Cytotoxic T cells B. Natural killer cells C. Plasma cells D. Helper T cells
Exocytosis is a process by which cells Multiple Choice release substances from the cell via vesicles....
Exocytosis is a process by which cells Multiple Choice release substances from the cell via vesicles. bring in substances from the outside via pores in the cell membrane. release substances from the cell via carrier proteins. release substances from the cell through pores in the cell membrane. bring in substances from the outside via vesicles.
What is the function of epidermal dendritic cells? Absorb ultraviolet radiation. Ingest foreign substances and activate...
What is the function of epidermal dendritic cells? Absorb ultraviolet radiation. Ingest foreign substances and activate the immune system. Produce keratin. Stimulate the sensory nerve endings associated with touch receptors.
For each of the following foreign bodies identify the type of cell that ingests them and the meth...
For each of the following foreign bodies identify the type of cell that ingests them and the method by which it ingests the foreign body (pick from neutrophils, macrophages or FBGCs for the cell type and phagocytosis, pinocytosis or receptor mediated endocytosis for the method of ingestion): a) Gold particles 1 nm across b) Necrotic cell tissue c) PGA particles (15-20 microns across)
For each of the following foreign bodies identify the type of cell that ingests them and the...
For each of the following foreign bodies identify the type of cell that ingests them and...
For each of the following foreign bodies identify the type of cell that ingests them and the method by which it ingests the foreign body (pick from neutrophils, macrophages or FBGCs for the cell type and phagocytosis, pinocytosis or receptor mediated endocytosis for the method of ingestion): a) Gold particles 1 nm across b) Necrotic cell tissue c) PGA particles (15-20 microns across)
Which of the following substances is most likely to enter a cell by diffusing directly through...
Which of the following substances is most likely to enter a cell by diffusing directly through the lipid bilayer? glucose protein CO2 CI-
31. Which part of this T cell receptor is produced only AFTER the T cell has...
31. Which part of this T cell receptor is produced only AFTER the T cell has bound an antigen? A. The part labeled "A" B. The parts labeled "B" C. The entire T cell receptor D. None of it. It is all produced BEFORE antigen binding. E. T cells don't bind antigens; only antibodies do that. 37. How do Treg cells differ from Th cells? A. When Treg cells bind B7, they engulf and destroy it. B. Treg cells secrete...
Which of the following processes only moves substances into a cell? exocytosis active transport endocytosis facilitated...
Which of the following processes only moves substances into a cell? exocytosis active transport endocytosis facilitated diffusion What process do white blood cells use to engulf bacteria? pinocytosis phagocytosis receptor-mediated endocytosis exocytosis
A government entity sets a Food Defect Action Level (FDAL) for the various foreign substances that...
A government entity sets a Food Defect Action Level (FDAL) for the various foreign substances that inevitably end up in the foods we eat. The FDAL level for insect filth in peanut butter is 0.6 insect fragment (larvae, eggs, body parts, and so on) per gram. Suppose that a supply of peanut butter contains 0.6 insect fragment per gram. Compute the probability that the number of insect fragments in a 8-gram sample of peanut butter is (a) exactly six. Interpret...
The binding of a phagocyte’s toll-like receptor (TLR) to a foreign cell, e.g. a bacterium: Select...
The binding of a phagocyte’s toll-like receptor (TLR) to a foreign cell, e.g. a bacterium: Select all that apply. A. acts as a trigger for the phagocytic cell to engulf the bacterium B. causes inflammation or redness and swelling at the site C. is a signal for the phagocytic cell to release cytokines to recruit other immune cells D. triggers the formation of many phagocyte memory cells
For each of the following foreign bodies identify the type of cell that ingests them and the method by which it ingests the foreign body (pick from neutrophils, macrophages or FBGCs for the cell type and phagocytosis, pinocytosis or receptor mediated endocytosis for the method of ingestion): a) Gold particles 1 nm across b) Necrotic cell tissue c) PGA particles (15-20 microns across)
For each of the following foreign bodies identify the type of cell that ingests them and the...
For each of the following foreign bodies identify the type of cell that ingests them and the method by which it ingests the foreign body (pick from neutrophils, macrophages or FBGCs for the cell type and phagocytosis, pinocytosis or receptor mediated endocytosis for the method of ingestion): a) Gold particles 1 nm across b) Necrotic cell tissue c) PGA particles (15-20 microns across)
Which of the following substances is most likely to enter a cell by diffusing directly through the lipid bilayer? glucose protein CO2 CI-
31. Which part of this T cell receptor is produced only AFTER the T cell has bound an antigen? A. The part labeled "A" B. The parts labeled "B" C. The entire T cell receptor D. None of it. It is all produced BEFORE antigen binding. E. T cells don't bind antigens; only antibodies do that. 37. How do Treg cells differ from Th cells? A. When Treg cells bind B7, they engulf and destroy it. B. Treg cells secrete...
Which of the following processes only moves substances into a cell? exocytosis active transport endocytosis facilitated diffusion What process do white blood cells use to engulf bacteria? pinocytosis phagocytosis receptor-mediated endocytosis exocytosis
A government entity sets a Food Defect Action Level (FDAL) for the various foreign substances that inevitably end up in the foods we eat. The FDAL level for insect filth in peanut butter is 0.6 insect fragment (larvae, eggs, body parts, and so on) per gram. Suppose that a supply of peanut butter contains 0.6 insect fragment per gram. Compute the probability that the number of insect fragments in a 8-gram sample of peanut butter is (a) exactly six. Interpret...
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