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a) Fill the following table titled 'Applications of Different Observational Study Designs' indicating for every objective under pertinent study design if the objective is 'suitable' or 'not suitable'
Applications of Different Observational Study Designs Objective
Case Control
Cohort
Investigation of rare disease
Investigation of rare exposure
Investigation of long latent periods
Study of multiple exposures and determinants
Measurement of time relationship
Direct measurement of Incidence
b) Fill the following given table titled 'Benefits and de-merits of Different Observational Study Designs' indicating for every event applicable to the pertinent study design if the probability of such an event is 'high' or 'low'. If you believe the probability between the study designs is similar then indicate 'same'
Different Observational Study Designs Event
Selection bias
Recall bias
Loss to follow-up
Confounding affecting validity
Long time required
High cost
Hermann Kolbe's synthesis of an organic compound, acetic acid, from inorganic substances that had been prepared straight from pure elements was an important milestone for what reason.What piece of evidence contradicts this claim.
Your doctor prescribes a drug that should be taken orally. You don't like swallowing big pills, so in the place you crush the pill into a fine powder, dissolve it in saline, and inject it into a vein in your arm. Why is this really bad idea.
Calculate how the permeability of each is altered when the pH is reduced to 1.0, a value typical of the stomach.How to demolish the function of this protein.
Case Study: A female patient in ER with suspected toxic shock syndrome
Ralph is taking scuba diving classes, and is warned not to hold his breath as ascending from depth but to continuously release air from his mouth. What is the basis of this instruction and what is risk if it is ignored.
What is left-sided and right-sided heart failure? Which of these symptoms reflect left-sided heart failure and which reflect right-sided heart failure? Why with reasons.
Whilst playing lacrosse, Frank took a blow to the back of his neck. When she looked toward the stars but not directly at them, she could see them. Describe what was happening. Implicated in this is the fovea and its cells.
The body temperature in humans is maintained about the 37 C. Which characteristic of life does this statement represent? Living things respond to stimuli. Living things are homeostatic.
What is the dissimilarity between vag and vrg genes? How are BvgS and BvgA involved in regulation of virulence genes? What is a phase variation in B. pertussis and what causes it.
Anika's cortisol secretion level falls to normal after the medication, but Bonnie's cortisol secretion remains elevated. Which patient has primary hypercortisolism, also called Cushing's syndrome?
Terry catches a ray-finned fish from the ocean and notices that, attached to its flank, there is an equally long, snakelike organism. The attached organism has no external segmentation, no scales, a round mouth surrounded by a sucker and two small ey..
If we ignore the possibility of crossing over, how many different combinations of chromosomes are probable in gametes of a single human.
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