A 61-year-old woman presents to an emergency room with paralysis on the left side of his body; and she is unable to speak clearly. The physician suspects that he has had an ischemic stroke which resulted from a thrombosis (blood clot). Which of the following therapeutics would she likely receive to dissolve the blood clot?
Group of answer choices
Leuprolide
L-asparaginase
Alteplase
Lactase
DNase 1
Most agree that attempts to control healthcare costs too often have either modest or no success. Other countries have managed to control costs by limiting or rationing some services. Other attempts to control costs involve reducing payments to doctors and providers.
Finally, attempts to address demographic and behavioral factors have had mixed success. Finding a way to change our culture of health and finding transformative approaches to rethinking our health care system remain key challenges facing the health sector. Describe one option to reduce healthcare costs that you believe would be most practical and would not reduce value or standards of care.
When serving as a protein therapeutic, the function of tissue plasminogen activator (tPA) is best described in which of the following ways?
Group of answer choices
It serves as coagulation factor, which, when activated, interacts with other coagulation factors. These interactions set off chemical reactions that lead to the formation of a blood clot.
It is a regulatory enzyme which inhibits the fibrinolysis pathway.
It is an enzyme that provides a novel function to the fibrinolysis pathway.
It is a regulatory enzyme that, when measured in a blood sample, provides a means to quantify the rate of clot formation.
It is a regulatory enzyme which augments the fibrinolysis pathway.
Which of the following would you consider to be an advantage regarding the use of protein therapeuticsover small molecule drugs?
Group of answer choices
Protein therapeutics are less likely to contend with an immunogenic response.
Protein therapeutics are more likely to interfere with normal physiological processes.
Protein therapeutics are more likely to be able to penetrate the target tissues.
Protein therapeutics may more easily be applied to treat a genetic disease.
Protein therapeutics are relatively less costly to produce.
Consider that infliximab is a monoclonal antibody that may be used to treat rheumatoid arthritis and other autoimmune diseases. Which of the following is a molecular target of infliximab?
Group of answer choices
Insulin receptor
CD20 receptor
Arginine
TNF-alpha
HER2 receptor
The rate at which a non-polar solute enters a cell is directly proportional to: its concentration difference its molecular size its molecular charge water solubility its molecular weight
Question 15 (1 point) The following graphs shows how the force of natural selection changes across the Hife span of a person. Which of the following statements is TRUE in relation to pointAon the graph? The person has not reached reproductive age and so at this point all their genes would have the possibility of being passed onto the next generation At this point, the person is in the reproductive phase of their life The number of years that a person takes to get to pointAis less than 10 years The person is past their reproductive age and so the force of natural selection is−100%
Question 17 (1 point) What is the role of initiator caspases? They are involved in the activation cascade of other caspases They activate procaspases that induce expression of tumor necrosis factor They bind to key proteins on the external surface of cells and initiate apoptosis They directly trigger the release of cytochromecfrom the mitochondria
A biopsy is taken from a patient who has a breast lump. The tissue is sectioned and stained with hematoxylin and eosin. When the pathologist examines it she sees that the epithelial lining of the alveoli is one to two layers thick and appear flattened.
The stroma of the mammary tissue is extensive and contains fibroblasts with fat cells and connective tissue.
The most likely diagnosis of this biopsy is: Metastatic breast cancer Luminal hyperplasia Fibroadenoma Ductal hyperplasia Question 28 (1 point) Proteases, including metalloproteinases are important in cancer because they are associated with tumour metastasis. Which of the following statements is true in relation to the metalloproteinases?
Stromelysin is a type of metalloproteinase Of all the proteases, metalloproteinases are always upregulated in cancer cells Metalloproteinases are a type of serine protease that is secreted by cells Metalloproteinases act within cancer cells to promote their metastasis
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