f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. Affected individuals are less susceptible to infection. A nonliving complex of RNA or DNA protected by a protein coat c. Proviruses are flanked by repetitive sequences called long terminal repeats (LTRs). c. nuclear pore. c. TAP1 or TAP2 - Infectious diseases such as diarrhea are on the decline globally. d. it made plymouth a royal colony d. properdin (factor P) d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. d. a ribosome. Which of the following statements most accurately describes a selectively permeable membrane? Select one: a. - For most people, a 1 in 100,000 chance of dying from some risk factor is often a threshold for changing what they do. Rank the order of the following causes of death, putting the lowest risk of death for a person in the United States on bottom and the highest risk of death at the top. Which of the following statements accurately describes plant virus infections? d. HIV is transferred from an infected person to an uninfected recipient the selective absorption and storage of a great variety of molecules inside cells at levels that are higher than the environment. Viruses can reproduce only using a host cell. - Endocrine disrupters may cause reproductive dysfunction in females. b. A mutation in the gene encoding the integrase enzyme (the protein that inserts the dsDNA into a host cell's DNA) renders the protein non-functional. b. hyper IgM syndrome caused by deficiency of CD40 ligand We assert that combining expertise . a) the proteins on the viral surface and that of the host cell membrane b. herpes simplex virus O The presence of an envelope influences viral entry and exit strategies. Because the chemical industry thinks they are uncalled for, and toxicologists argue that there are problems with the necessary tests, the regulation of _______________ disrupters has been difficult to enact. c. gp41 True or false: All species have approximately the same reaction to a specific compound. DDT is a well-known case of biomagnification in the environment. b) retroviruses Why do scientists classify viruses as non-living? The Golgi apparatus The color change does not really tell us anything about the experiment. * A. d. carbohydrates. Members of a population vary in their level of sensitivity to a toxin. triggering a response in our immune systems, foreign materials that stimulate the production of specific antibodies. Outbreaks of health problems that have a psychological rather than a physical basis are referred to as ______. a. Epstein-Barr virus c) Vertical transmission is the spread of viruses from the upper leaves to the lower leaves of the plant, and horizontal transmission is the spread of a virus among leaves at the same general level. Which of the following statements accurately explains why tissue repair mechanisms may make those tissues more susceptible to cancer? Which one of the following accurately describes the cause:effect relationship of ultrasound? Stop drinking alcohol during pregnancy - Reduced risk of fetal alcohol syndrome. c. Wiskott-Aldrich syndrome protein (WASP) c. They give an animal cell its shape. With the first bite, you notice their texture is not as crisp and crunchy as you like. 13-2 _____ results when a gene affecting the immune system mutates, thereby compromising the body's defense against infection. b. the sequence of the conserved X box of the HLA class II promoter Trauma - Car accidents Electrotherapy Unit III PTA Ultrasound Quiz 1. d. active transport. d. a eukaryotic cell with a nucleus. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. A mutation in the gene encoding the integrase enzyme (the protein that inserts the dsDNA into a host cell's DNA) renders the protein non-functional. c) viroids B) The focus of nurses is the person with an illness. kill the host cell immediately, while bacteria maintain life within the . So, the water moved by osmosis across the plasma membranes into the radish cells increasing the turgor pressure inside of the cells and making them crunchier. A white blood cell (WBC) encounters bacteria in a scrape on the knee of a child who has fallen off of his bicycle. d. The cell should gain weight over time because it is isotonic to the beaker environment and water will be drawn into the cell because of the albumin. Each factor listed below plays a role in determining environmental toxicity. B.) d. cytosol. b. the virus escapes from the phagosome into the cytosol d) Vertical transmission is the spread of viruses from trees and tall plants to bushes and other smaller plants, and horizontal transmission is the spread of viruses among plants of similar size. This is an example of b. nonspecific activation of 2-20% of body's CD8 T cells c) removal of viral proteins During the process of ________, water diffuses across a semipermeable membrane from an area where water is more concentrated to an area where water is less concentrated (it moves along the water concentration gradient). A. Gases expand very easily due to a property called compressibility. Which of the following statements about viruses is false? c. spongy mesophyll a. Antigenic drift; antigenic shift d. X-linked SCID d. RAG1 or RAG2 Viruses are much smaller than bacteria cells. Which of the following statements about global health trends are true? Which of the following statements correctly identify reasons why the debate currently surrounds regulating endocrine disrupters? 5. Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? a. exocytosis b. susceptibility to Neisseria What does the saying "the dose makes the poison" mean? a. Toxoplasma gondii b. simple diffusion Over time, the students sitting in the far corner of the room would smell the perfume. a) It uses viral RNA as a template for DNA synthesis. a. c. variable surface glycoprotein (VSG) What is the current trend in the worldwide mental health disease burden? 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____. A collection of three American sterling silver vases and a sterling-overlay glass vasevarious makers, 20th centuryComprising a Tiffany & Co. bud vase with 925 sterling hallmark, with 1907-1947 date mark, maker's mark, "19397 5521" marked to interior; an early 20th century Unger bud vase with vine and floral engraving, with sterling hallmark, maker's mark, "09792" marked to . The two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. b. ribosomes d) Double-stranded RNA viruses b. proteins. a. This is because the solution on the left side of the figure is hypertonic while the solution on the right side of the figure is hypotonic. Culture the substance by itself on nutritive medium, away from any plant cells. a. c. X-linked hyper IgM syndrome: gamma globulin injections A: Answer- Virus is a submicroscopic infectious agent that is non-living outside the cell and living. A healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. c. the expression of MHC class I and class II molecules Key points: A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses. e. C3; opsonize capsulated bacteria. - Data on which chemicals are endocrine disrupters are not definitive. 13-53 Chronic granulomatous disease (CGD), a condition resulting in chronic bacterial and fungal infections, is caused by one or more defects in _____, compromising the ability of macrophages to _____. Viruses burst (lyse) from host cells and kill the cell; Virus connects to a receptor on the cell's surface; New viruses infect other cells and create more viruses; Virus genomes and protein cotas self-assemble; Re-sequence the steps in teh chart to reflect the correct order of the virus reproduction process. 0.003 ppb - DDT in water Dose (amount of experience) - Horizontal (x) axis b. respiratory syncytial virus Certain pharmaceuticals, vaccines, and drugs - Injection (Intramuscular), As shown in the figure, every organism in the Lake Michigan food chain has some DDT in their body tissues at concentrations higher than in the environment due to d. Pandemics; epidemics. b. b. Reactivation of herpesviruses follows stressful incidents. This is because the solution on the left side of the figure is hypertonic while the solution on the right side of the figure is hypotonic. Issues associated with _______________ heath may take up to 15% of the worldwide disease burden by 2020 as conditions such as depression are growing more prevalent in both developed and developing countries. Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. d. The host cell must provide the transcriptional and translational machinery in order for RNA and protein products to be made from proviruses. Choose ALL that apply. B. Match each of the potential toxins listed below to their most likely routes of exposure. possibility of suffering harm or loss resulting from a given action, process of estimating the threat a particular hazard poses to human health. b. Pesticide residue on food - Ingestion (gastrointestinal tract) c. diffusion proteins This is an example of 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? Prokaryotic cells must also carry out respiration but do not have mitochondria. Match the dietary consideration to its positive influence on a particular health condition. d. Women are more likely than men to inherit X-linked immunodeficiencies. b. Antigenic shift; antigenic drift You buy a bunch of small, round, red radishes at the grocery store; they are on sale because they have been sitting in the produce aisle for a while. What do you expect to happen to the weight of the cell over time and what can you deduce from the color change? d. simple diffusion, You are a scientist observing a membrane through which water and some small hydrophobic molecules can freely pass along a concentration gradient from high to low. 0.5 ppm - Small fish True or false: Most people in industrialized nations have PFC residues (perflurooctanoic acid) in their blood. What phenomenon has occurred to the perfume molecules that have entered the air? a) Fasting blood glucose from 120-180 mg/dL b) Fasting blood glucose from 126-140 mg/dL c) Fasting blood glucose from 110-125 mg/dL d) All of the above 7) All of the following drugs are oral hypoglycemic drugs, Except a) Metformin b) Sulphonylureas c) Thiazolidinediones
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