uworld incorrects 3

Question 1

differentiate between listeria early and listeria late

Answer 1

listeria infection in late pregnancy =fetal distress, premature delivery or sepsis
in early prengnacy more damaging to fetus-granulmatosis infecteseptcia

Question 2

gestational chroiocarnioma is increased

Answer 2

trophoblast
It is most commonly preceded by a normal pregnancy but can occur following any pregnanc
ntrauterine mass that is usually soft and yellow-white, with extensive areas of necrosis and hemorrhage. Histologically, it is composed of abnormal proliferation of mononuclear cytotrophoblasts (red arrows) and multinuclear syncytiotrophoblasts (green arrows).

Question 3

do patients with diabeties develop aortic aneursym

Answer 3

no because of glysolation of walls

Question 4

back pain with no positional changes

Answer 4

patient’s constant back pain that fails to improve with positional changes, rest, or analgesics is concerning for a more serious condition (infection, malignan

Question 5

inflammatory spondylarthropathy

Answer 5

(Choice C) Inflammatory back pain (eg, spondyloarthropathy) is characterized by slowly progressive pain that is often worse at night. However, it is associated with prolonged morning stiffness (eg, hours) and improves with exercise. In addition, onset almost always occurs at age <45.

Question 6

lattisumus dorsi

Answer 6

T7 to 12 spinous process to bicipital groove

• Innervated by thoracodorsal nerve (C6 C8)