Maureenfrancis

Overview of the Blood - answer-•Blood •5000ml •Plasma •3000ml Hematocrit defined - answer-- % of RBCs [higher value = higher viscosity = thicker blood) - Example: Polycythemia may have Hct of 60-70% Types of Blood Cells - Erythrocytes [RBCs) - answer-- Transport O2 - Small disc shape - Lifespan = 120 days - Carry Hgb [ferrous oxide, also an acid/base buffer) - Made in the bone marrow - Iliac crest for sample in leukemia [after age 20 in the vertebrae, sternum, ribs, iliac) - Hgb...

1. Compare and contrast the two major classes of living cells. - answer- Size, Organelles, Nucleus, Nuclear envelope, Histones, genetics: Prokaryotes: no organelles; no nuclear membrane; single circular chromosome; lack histones • Eukaryotes: (good, nucleus) larger, more extensive intracellular anatomy and organization; membrane-bound organelles; well defined nucleus; several chromosomes Describe and give an example of: Movement - answer-Muscle cells, contraction Describe and give an exa...

Which statement best describes the cellular function of metabolic absorption? A. Cells can synthesize fats. B. Cells can take in and use nutrients C. Cells can secrete digestive enzymes. D. Cells can produce proteins. - answer-B. Cells can take in and use nutrients Where is most of a cell's genetic information, including RNA and DNA, contained? A. Lysosome B. Mitochondria C. Ribosome D. Nucleolus - answer-D. Nucleolus Which cell component is capable of cellular autodigestion when it i...

True - answer-1. Anaplasia is recognized by loss of organization and a marked increase in nuclear size. (T/F) True - answer-2. Cells with mutant TP53 genes escape apoptosis. (T/F) osteogenic sarcoma - answer-3. Which cancer originates from connective tissue? Epithelial cells - answer-4. Carcinoma refers to abnormal cell proliferation originating from which tissue origin? c. Cells remain localized in the glandular or squamous cells. - answer-5. What are characteristics of cancer in situ? ...

Which of the following congenital GI abnormalities is described as the absence of neural crest derived cells within the colon? A) Hirschsprung disease B) Meckel diverticulum C) Atresia D) Stenosis - answer-A) Hirschsprung disease Basal zone hyperplasia exceeding 20% of the thickness of the esophageal epithelium, accompanied by elongation of lamina propria papillae and by inflammatory infiltrates that contain few eosinophils is a histologic finding most typical of which disease? A) refl...

What is the probable cause of cellular swelling in the early stages of cell injury? - answer-Na-K pump fails to remove intracellular Na+ The mechanism for liver damage related to chronic alcoholism is: - answer-Oxidative stress. Free radicals cause damage by: - answer-Giving up on electron, which cause injury to the chemical bonds of the cell membrane. The loss of adenosine triphosphate (ATP) during ischemia causes cells to: - answer-Swell because of the influx of sodium chloride. During cell...

you are a school nurse performing Vision screening for a mild cognitively delayed 7 year old. using the snellen eye chart, the majority of letters from the top of the chart down he got wrong. what is your next best step? -send him to an eye doctor as his vision should be 20/30 or better by this age -mark this a normal assessment and return him to class -perform vision screening with a pictorial screening chart -perform the test again in 1-2 weeks - Correct Answer--perform vision screening ...

During the 1870s, tuberculosis was rampant among the indigenous population of the plains - Correct Answer-false in the early 1870s, the first nations of the west were self governing peoples relying on bison as the basis for their economy - Correct Answer-true what contributed to food shortages on the plains - Correct Answer-disappearance of the bison what year were indians made wards of the canadian state - Correct Answer-1876 which of the following causes reemergence of TB in individuals...

A nurse is preparing a diet plan for a client admitted to a wound care unit. After the nurse explains the diet plan to the client, the client asks the reason for an increase in intake of citrus fruits. What should the nurse explain to the client: Answer-They have antioxidant properties, they help in collagen synthesis, they provide fuel for cell energy The nurse is attending to a client who is immobilized due to stroke. What measures should the nurse take to prevent development of pressur...

which definition best describes the concept of health? Answer-state of complete physical, mental and social well-being which definition describes the concept of wellness from an individual's perspective? - Answer-active self-care achieved by making healthy lifestyle choices which components are associated with the wellness paradigm? - Correct Answer-individual responsibility; maintaining and improving health; holistic health organizations define their own health in terms of which aspects?...