DIT Questions || with 100% correct answers.

How does standard deviation differ from standard error of the mean? (FA p54)Which is used in calculating confidence intervals? (FA p55) correct answers Standard error is used to calculate CI What problem / abnormality is associated with the following congenital buzzwords? (FA p267) boot-shaped heart correct answers Tetralogy of Fallot What problem / abnormality is associated with the following congenital buzzwords? - (FA p268) continuous machine-like murmur correct answers Patent ductus arteriosus What problem / abnormality is associated with the following congenital buzzwords? - (FA p485) webbing of the neck correct answers Turner Syndrome (XO) What problem / abnormality is associated with the following congenital buzzwords? - (FA p485) Barr body correct answers Klinefelter's syndrome (XXY) What problem / abnormality is associated with the following congenital buzzwords? - (FA p88) simian crease correct answers Down's syndrome A mother brings her infant to your clinic. The infant has markedly fair skin and a mousy odor. What are the downstream substances this child is missing because of his inborn error of metabolism? What substances are derived from the amino acid tryptophan? (FA p106, FA p107) correct answers Patient has PKU. Child is missing phenylalanine hydroxylase or tetrahydobiopterin cofactor. Niacin and serotonin/melatonin are derived from tryptophan. A 12-year-old female develops a rapid strep positive exudative pharyngitis and is treated with penicillin V for the 10 days. If the patient happens to have a penicillin allergy, an alternative to using penicillin V is to use a macrolide antibiotic. What is the mechanism of action of penicillin? Is it a bacteriostatic or bactericidal antibiotic? What is the mechanism of action of the macrolides? Are they bacteriostatic or bactericidal? (FA p184, p185, p188) correct answers Penicillin: block cell wall synthesis by inhibiting peptidoglycan cross-linking -Bactericidal Macrolides: inhibit protein synthesis by blocking translocation; bind to 23S rRNA of the 50S ribosomal subunit -Bacteriostatic You are conducting a study trying to determine the reduction in risk of developing a relapsing depressive episode with antidepressant X when compared to a placebo treatment. What is this determination called? What is attributable risk, and how is it calculated? (FA p52) correct answers Called Relative Risk (RR) = relative probability of getting a dz in the exposed group compared to unexposed group Attributable Risk = Difference b/t exposed and unexposed group = proportion of dz occurrences that are attributable to the exposure A 53-year-old male presents by EMS to the ER with left-sided chest pain, dyspnea, diaphoresis and left-sided arm pain. An EKG reveals a ST elevation and Q-waves in leads II,