Miscellaneous

Question 1

GBS Mx in pregnancy

Answer 1

If detected on swab or msu incidentally - option of Intrapartum abx or test 35-37 weeks and if still pos then offer Abx intrapartum
Offer to all with previous baby with gbs disease
Offer to all with bacteriuria during pregnancy
Benzylpenicillin 3G IV followed but 1.5G 4 hourly until del

Question 2

Sensitivity

Answer 2

True positive

Sensitivity = true positive / true pos + false neg

Question 3

Specificity

Answer 3

True negative

Specificity = true negative /true negative + false positive

Question 4

PPV

Answer 4

Probability that a pos test will truly have that disease

True positive/ true positive + false positive

Question 5

NPV

Answer 5

Probability that those who test negative will be negative for the condition
True neg/ true neg + false neg

Question 6

Occupational Hep b risk

Answer 6

Give vaccine within 24 hours but up to 7/7 post

Hep b vaccine recommended for mucocutaneous exposure, bites that break the skin, puncture wounds

Question 7

Follow up for occ health exposure to BbV

Answer 7

45 days HIV
6 weeks 3/12 and 6/12 for HOB and HCV
Don’t donate blood organs or semen until BBV ruled out
Condoms for sex

Question 8

Culture conditions for GC

Answer 8

35-37 degrees
Ph 6.5-7.5
Co2 5-7%

Question 9

Herpes resistance gene ans Rx

Answer 9

More common in HIV
HSV thymidine kinase gene
1% foscarnet cream