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A. Abducens
The abducens, or cranial nerve VI, is the most
com-
1. A 28-year-old man presents
with diplopia and the
inability to move the right
eye outwards. He was hit
by a ball on the right side of his face mon nerve traumatized in head injuries.
It is the only
while playing volleyball 2 hours ago. supply to the lateral rectus muscle of the
eye, which
His symptoms are non- is responsible for external or lateral deviation of
progressive. On examination, the eye. Injury to this nerve results in esotropia
his visual acuity is (internal
normal in both eyes. Right eye is me- deviation) of the eye and failure to move
the eye
dially deviated and cannot be moved
outwards. laterally; otherwise, there is
no ab- normality detected.
What nerve is most likely injured?
A. Abducens
B. Oculomotor
C. Trochlear
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D. Facial
E. Trigeminal
2. A 30-year-old woman presents with E. Lichen planus
a 2-week history of itchy pimples on
her wrist. On examination, there are Lichen planus is characterized by
pruritic, polygonal,
violaceous papules with a flat-topped, violet papules that have a
network of gray lines on their network of gray lines (Wickham's striae) on
surface; they are found on the the surface. They commonly develop on the
medial aspect of her right wrists, legs, and geni- talia. Management
wrist. includes topical glucocorticoids, though many
patients have spontaneous remissions.
What is the most likely
diagnosis?
A. Asteatotic eczema
B. Stasis dermatitis
C. Contact dermatitis
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D. Lichen simplex chronicus
E. Lichen planus
3. A 10-day-old male newborn
A. Chlamydia trachomatis
pre- sents with bilateral
conjunctivitis with moderate Chlamydia and gonorrhea are the most
white discharge. He is acting common causes of conjunctivitis neonates.
normally, has no fever, and is Given the tim- ing and presentation,
feeding well. He was born chlamydia is the most likely
full-term without any complications. cause of this conjunctivitis. A
characteristic finding
His mother had minimal an hour. Her past medical
prenatal care. He has been history is significant for
gaining weight well. On postpartum depression 2
exam, he is alert and ac- years ago. Her BMI is 18.
tive. Culture with Physical exam- ination is
immunofluores- cence remarkable for bilateral
reveals inclusion bodies. pain and swelling of her
metacar-
What is the most likely cause
of this newborn's
conjunctivitis?
A. Chlamydia trachomatis
B. Herpes simplex
C. Neisseria gonorrhoeae
D. Silver nitrate
E. Coxsackievirus
4. A 33-year-old woman presents
with joint pain and morning
stiffness that lasts more than
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of chlamydial infection is the presence of inclusion
bodies in the epithelial cells of a conjunctival smear. The
usual incubation period for C. trachomatis is 5-14 days
and 2-5 days for N. gonorrhoeae. Gonococcal
conjunctivitis tends to produce a more purulent dis-
charge than C. trachomatis.
B. Sex
Rheumatoid arthritis (RA) attects women 3 times as
often as men and is more common in nulliparpus
women. Other significant risk factors include family
history and smoking.
Rheumatoid arthritis is most frequently diagnosed
between ages 40 and 60.