Day 7 - Epi & Ethics quiz

Question 1

Assuming normal distribution, % of data points fall w/i 1 standard deviation, 2, or 3

Answer 1

68%, 95%, 99.7%

Question 2

Relative Risk & OR equations; When are they similar

Answer 2

RR: [A/(A+B)]/[C/(C+D)]; OR: (A/B)/(C/D); OR estimates RR for low prevalence disease

Question 3

RR = 1 means

Answer 3

No assoc bn risk factor and disease

Question 4

Parent refuse life-saving tx for child in emergency situation

Answer 4

Tx emergency then Seek court order to tx against parent’s will; If non-emergency, seek court order first

Question 5

Situations for breaking patient confidentiality

Answer 5

(1) Patient requests/allows it (2) Reportable disease (3) Harm to self or others (4) Penetrating assault wound

Question 6

CA pt emergently intubated & family brings her signed DNR

Answer 6

Extubate - withholding & withdrawing care are tx same

Question 7

Pt says she does not wish to know results of her recent lung bx, but family begs for you to tell them

Answer 7

Not tell result to anyone pt does not wish for you to, including the patient herself

Question 8

Cases in which unemancipated minors not require parental consent for tx

Answer 8

Presumed consent for emergencies; Also (1) Contraception (2) STDs (3) Pregnancy (4) Illicit drug tx or counseling

Question 9

Living will not want ventilator; Pt’s wife requests it

Answer 9

No ventilator since wife not using substituted judgement so may need court order

Question 10

Study shows 32.5 mg of ASA daily not helpful for reducing cardiovascular risk - type of error

Answer 10

Type II (beta) error

Question 11

Equations: Sensitivity v. Specificity

Answer 11

Sensitivity: A/(A+C); Specificity: D/(B+D)

Question 12

Equations: PPV v. NPV

Answer 12

PPV: A/(A+B) ; NPV: D/(C+D)