Module 1 - Sensitivity and Specificity

Question 1

• Sensitivity

Answer 1

ability of the test to identify correctly who HAVE THE DISEASE
- proportion of people who have diagnosis AND test positive

A / (A+C)

Question 2

• Specificity

Answer 2

ability of the test to identify correctly those who DO NOT HAVE THE DISEASE
- proportion of people have the diagnosis AND test negative for the disease

Both specificity and sensitivity are both part of evaluating VALIDITY

D / (D+B)

Question 3

• Levels of Disease Prevention

Answer 3

Primary: pre disease, health promotion and prevention
(immunizations, safety education, no smoking)

Secondary; latent disease, detect disease early to minimize disease impact
(screening tests)

Tertiary: symptomatic disease, minimize negative outcomes
(diagnostic tests and treatment intervention)

Question 4

• Immunization Schedule

Answer 4

look at cdc reading

preggo tdap: 1 for each pregnancy (27-30 weeks of gestation regardless of previous dose)

Question 5

• Zoster Vaccination (shingles)

Answer 5

• recombinant vaccine
• give to immunocompetent adults 50yo+ and including
  > history of shingles
  > renal failure, DM, RA, pulmonary disease
  > can give with pneumo vax and flu on same visit
  > can give with low dose immunosuppressive therapy
• 50yo+ should get TWO vaccines
  > 2nd vax within 2-6mo after first
• IM in deltoid with 1-1.5in needle
• must be refrigerated

Question 6

• Breast Cancer Screening

Answer 6

biennial mammo ages 40-74

Question 7

• Colon Cancer Screening

Answer 7

45-75

Question 8

• Cervical Cancer Screening

Answer 8

21-29yo q 3 years with cytology alone
30-65yo q 3 years with cytology alone, q 5 years with hpv with or without cytology

Question 9

chlamydia and gonorrhea

Answer 9

all sexually active women 24 years or younger

25years and older if increased risk

Question 10

• Lung Cancer

Answer 10

Low Dose CT in 50-80yo who have 20 pack year history, currently smoking, or quit in the last 15 years