MISC Facts

Question 1

time difference between cohort, case control and cross sectional

Answer 1

cohort: looking forward
case control: look back
cross sectional: a point in time

Question 2

fetal effect of sulfonamides

Answer 2

kernicterus of the newborn

Question 3

fetal effects of streptomycin

Answer 3

fetal effects of streptomycin

fetal high tone hearing loss

Question 4

fetal effect of chloramphenicol

Answer 4

fetal effect of chloramphenicol

grey baby syndrome

Question 5

sensitivity equation and meaning

Answer 5

a/(a+c)
of all the ppl who have the disease, how many did the test catch

a and d are always in the numerator

Question 6

specificity equation and meaning

Answer 6

d/(d+b)
of all the ppl who did not have the disease, how many did the test say were negative

a and d are always in the numerator

Question 7

PPV equation and meaning

Answer 7

a/(a+b)
of all the ppl who tested positive, how many actually were positive

a and d are always in the numerator

Question 8

NPV equation and meaning

Answer 8

d/(d+c)
of all the ppl who tested negative, how many were actually negative

a and d are always in the numerator

Question 9

accuracy equation

Answer 9

(a+d)/(a+b+c+d)

Question 10

which congenital infection causes cataracts, cardiac defects, deafness, pulmonary artery stenosis, microcephaly, and radiolucent bone disease?

Answer 10

rubella

Question 11

what fruit do you get listeria from? (buzzword)

Answer 11

cantalope

Question 12

Monochorionic surviving twins

neurological injury (\_\_\_\_\_%)
death (\_\_\_\_%)

Answer 12

Monochorionic surviving twins

neurological injury (18%)
death (15%)

Question 13

Surviving dichorionic twins

neurological injury (\_\_\_\_%) 
death (\_\_\_\_%)

Answer 13

Surviving dichorionic twins

neurological injury (1%) 
death (3%)

Question 14

most common reason for primary c-section in US?

SECOND most common reason for primary c/s in US?

Answer 14

failure to progress

NRFHT

Question 15

What percentage of fetus’ with increased NT will have aneuploidy?

what percentage of those with aneuploidy will be downs?

Answer 15

33%

50%

Question 16

In patients with HNPCC, a risk-reducing BSO may reduce the incidence of epithelial cancer by up to ____%.

Answer 16

In patients with HNPCC, a risk-reducing BSO may reduce the incidence of epithelial cancer by up to 100%.

Question 17

BRCA1 and BRCA2

prophylactic BSO reduces epithelial ovarian cancer risk by what percentage?

Answer 17

90%!!!!

that’s wild!

Question 18

endometrial cancer staging 1a, 1b and 2?

Answer 18

Stage IA involves less than 50% of the myometrium
Stage IB involves more than 50% of the myometrium
Stage II involves the cervical stroma

Question 19

Endometrial cancer stage 3a, 3b, 3c?

Answer 19

Stage IIIA involves the serosa of the uterus, tubes, and ovaries
Stage IIIB involves the vagina
Stage IIIC1 includes lymph nodes other than periaortic
Stage IIIC2 includes periaortic lymph nodes

Stage IV involves the bladder, rectum or more distant metastatic sites

Question 20

risk of uterine rupture during TOLAC after 1 c/s?

risk of uterine rupture during TOLAC IOL?

Answer 20

0.5%–0.7% risk of uterine rupture

1%

Question 21

minimum gestational age to dx omphalocele?

Answer 21

14 weeks, anything prior is physiologic

Question 22

the relationship between prolactin and dopamine directly proportional or inversely proportional?

Answer 22

inversely proportional

Question 23

you are trying to raise platelets in ITP. how long will it take for prednisone to raise the plts? how about IVIG?

Answer 23

prednisone 3-7days

IVIG 6-72 hours

Question 24

Rome criteria for IBS

Answer 24

The Rome criteria require recurrent abdominal pain or discomfort on at least 3 days per month in the last 3 months that is associated with 2 or more of the following:

1) improvement with defecation;
2) onset associated with a change in frequency of stool;
3) onset associated with a change in form (appearance) of the stool

Question 25

risk of lifetime risk of DMII after GDM?

Answer 25

70%

Question 26

how does haloperidol contribute to incontinence?

Answer 26

dopamine blockage causes relaxation of the internal sphincter

Question 27

how long to be on Coumadin after induced PE?

Answer 27

3 months

Question 28

6 reasons to give infective endocarditis ppx

Answer 28

1. A prosthetic cardiac valve 2. A previous episode of IE 3. Unrepaired cyanotic heart disease with palliate shunts or conduits 4. Completely repaired heart defect with prosthetic material within 6 months 5. Repaired congenital heart defect with residual defects at or near the site of prosthetic material that inhibits endothelialization 6. A cardiac transplant and who develop cardiac valvulopathy

Question 29

abx plan for 4th degree?

Answer 29

2 second gen cephalosporin at the time fo repair. cefotetan or cefoxitin.

Question 30

only FDA approved rx for female hirsuitism

Answer 30

eflornithine which inhibits ornithine decarboxylase,

Question 31

which type of bullae (bullous pemphigoid or pemphigus vulgaris) rupture easily and why

Answer 31

pemphigus vulgaris because the autoantibodies attack the desmogleins, which are part of the desmosomes that hold cells together. this is in the subcutaneous layer the autoatibodies in bullous pemphigoid attack hemidesmosomes in the subepidermal layer

Question 32

4 criteria for neonatal Hypoxic ischemic encephalopathy

Answer 32

1. Apgar score of less than 5 at 5 and 10 minutes after birth 2. Fetal umbilical artery acidemia 3. Multisystem organ failure 4. Development of spastic quadriplegia or dyskinetic cerebral palsy

Question 33

what is the most prevalent STI? | second most?

Answer 33

trich! | chlamydia is second

Question 34

which STI has the highest incidence?

Answer 34

chlamydia!

Question 35

strongest risk factor for incontinence?

Answer 35

obesity

Question 36

The uterus receives what percentage of cardiac output at term?

Answer 36

17%

Question 37

renal blood flow increases by what percent at term?

Answer 37

50%

Question 38

According to CDC, who should receive PVC13?

Answer 38

all children under 2 ppl with chronic conditions over 2 yrs old adults over 65 to discuss with PCP REMEMBER: Women with no history of vaccination should initially receive PCV13, then PPSV23 approximately 6–12 months after the dose of PCV13.

Question 39

According to the CDC, who should receive PPSV23?

Answer 39

over 65 years old 2-65 with chronic conditions 19-65 is a smoker REMEMBER: Women with no history of vaccination should initially receive PCV13, then PPSV23 approximately 6–12 months after the dose of PCV13.