Blog

The structure of doxylamine is shown below:   doxylamine a) What is the main use of this drug, and what is its drug target for this use? (1 mark) b) What key side effects does doxylamine produce, and how has this been useful in treating another condition? (1 mark) c) Why is this side-effect seen, from a chemical and biochemical perspective? (1 mark) d) It was desirable to produce other compounds to target the main use without this side effect. How did chemists achieve this? (1 mark) e) State the name of a drug that fulfils the criteria for part (d). (1 mark)

Construct the appropriate confidence interval. [10 Points] 11) In a random sample of 60 computers, the mean repair cost was $150. Assume the population standard deviation is $36. a) Construct the 99% confidence interval for the population mean repair cost. b) If the level of confidence was lowered to 95%, what will be the effect on the confidence interval?

Which of the following bacteria is NOT usually associated with COPD?

Give the name of each of the following compounds:   CCl4  [Name1] Cu3(PO3)2 [Name2]

Give the balanced chemical equation for the reaction between  sodium phosphate and barium nitrate.  (be sure to include the states in the equation)

Which ONE of the following antibiotics is classified as high risk for the development of clostridium difficile infection?

Use the normal distribution to approximate the following. [7 Points] 7) A telemarketer found that there was a 1% chance of a sale from his phone solicitations. Find the probability of getting 5 or more sales for 1000 telephone calls. Use the normal distribution to approximate the binomial distribution.

Concerning pharmaceutical tablets, which of the following statements is true?

Explain. [4 points] 13) A survey of 250 homeless persons showed that 11 were veterans. Find a point estimate p, for the population proportion of homeless persons who are veterans.

Provide an appropriate response. [2 Points] 4) What happens to the mean and standard deviation of the distribution of sample means as the size of the sample decreases? A) The mean of the sample means increases and the standard error stays constant. B) The mean of the sample means stays constant and the standard error increases. C) The mean of the sample means decreases and the standard error increases. D) The mean of the sample means stays constant and the standard error decreases.