answer these 2 question - hardik221186

[ArchivalUser]

For each patient with cough, select the most
appropriate next step in
diagnosis.
A
) Measurement of serum a1-antitrypsin level
B
) Methacholine challenge test
C
) Quantitative measurement of serum antibody levels
D
) Sweat chloride test
E
) Ventilation-perfusion lung scans
44. A 27-year-old woman comes to the physician
because of
intermittent episodes of shortness of breath and cough
over the past 4 months.
She says that cold weather and exercise can
precipitate her symptoms.
Examination shows no abnormalities. The lungs are
clear to auscultation
and percussion. An x-ray film of the chest and
spirometry show no
abnormalities.
A 32-year-old woman comes to the physician because of
a 4-month history
of fatigue, cough, and shortness of breath with
exertion. She has had
two episodes of pneumonia and one episode of severe
sinusitis over the
past 2 years. She has never smoked. She takes no
medications.
Crackles are heard at the left lung base. An x-ray
film of the chest shows a
left lower lobe infiltrate and scarring of the right
base.

[ArchivalUser]

b, d

[ArchivalUser]

this is an NBME question without a NBME TAG...!!

[ArchivalUser]

i think b,c,

please give the right ans

[ArchivalUser]

I think B and C
B: asthma. C: common variable immunodeficiency

[ArchivalUser]

thanks

[ArchivalUser]

b and c
CF is diagnosed early and would not affect sinuses usually
low Igs have more than one cause
cold weather exacerbate allergic asthma