Maureenfrancis

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? - answer-Answer: Anaerobic glycolysis What causes the rapid change in the resting membrane potential that initiates an action potential? - answer-Answer: Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal whic...

True or False? Pharmacogenomics is the study of individual genetic differences in order to be able to make better choices about medications for a given patient. - answer-False All of the following are TRUE about the PTC taste test conducted in class EXCEPT: The ability to taste bitterness is inherited. The ability to taste bitterness is the genotype. The ability to taste bitterness is related to having one of 2 alleles. The ability to taste bitterness is the phenotype. - answer-The ability ...

Do women or men more often have multiple sclerosis? - answer-Women (2-3:1) Which disease has the following risk factors: -Epstein-barr virus (EBV) -Live above the 37th parallel -Caucasian -Female -Vitamin D deficiency: Decreased time between clinical isolated syndrome (CIS) and 2nd exacerbation -Smoking - answer-Multiple Sclerosis What is the main pathophysiological theory for multiple sclerosis? - answer-It's an autoimmune/neurodegenerative disease: -inflammation -demyelination/remyeli...

What is the primary functional unit of the liver? - answer-Liver lobule True or False? Cirrhosis causes hypoglycemia? - answer-True What is the first stage of Alcoholic Liver Disease? - answer-Fatty liver "Steatosis" (reversible) What is the second stage of Alcoholic Liver Disease? - answer-Alcoholic hepatitis (reversible) What is the third stage of Alcoholic Liver Disease? - answer-Cirrhosis (Irreversible) What are three nutritional deficiencies in Alcoholic Liver Disease? - answer-Thi...

Orifice of ureter into the bladder [Problems associated with) - answer-- Frequent site for bacteria to enter - Blocking of this site can cause reflux to the kidneys ^^^ Both of these can cause Pyelonephritis -Not good emptying leading to reflux of urine Prostate and urethra - answer-- Prostates COMPLETELY encircles the urethra Main function of the Glomerulus - answer-- Filter blood Order of blood through the kidneys - answer-1) Glomerulus [Bowman's Capsule) 2) Proximal Tubule 3) Loop of...

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...