CD1a, CD1b, and CD1c _____. (Select all that apply.)
a. are highly polymorphic and bind to a variety of pathogen-specific lipids
b. are encoded within the MHC on chromosome 6
c. express antigen-binding sites distinct from classical MHC class I molecules
d. are associated with ?2-microglobulin at the surface of antigen-presenting cells
e. can bind to lipids in the endoplasmic reticulum or in endocytic vesicles.
c, d, e
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Scientists during the seventeenth and eighteenth centuries proposed the structure-function relationship between the white matter and gray matter in the brain. According to this relationship,
gray matter contained the fibers that bring information to and from the white matter. Indicate whether this statement is true or false.
To make a cough productive, one would take a(n) _____.
A. antitussive B. expectorant C. astringent D. surfactant
An elderly female complains about waking up one morning with pain/stiffness in her neck/shoulders. Lab work reveals an elevated erythrocyte sedimentation rate (ESR)
The physician gives the client a 3-day trial of prednisone, which significantly improves the pain. The health care provider correlates this information and diagnoses which of the following disorders? A) Polymyalgia rheumatica B) Psoriatic arthritis C) Reiter syndrome D) Ankylosing spondylitis
Cirrhosis of the liver is:
A) chronic. B) irreversible. C) degenerative. D) all of the above.