Emphysema and chronic bronchitis are examples of which type of respiratory disease?
a. pneumonia
b. chronic obstructive pulmonary disease
c. asthma
d. tuberculosis
e. atherosclerotic peripheral vascular disease
b
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Which of the following describes a ligand for an ?:? T-cell receptor?
a. carbohydrate:MHC complex b. lipid:MHC complex c. peptide:MHC complex d. all of the above e. none of the above.
The incidence of hepatitis B dramatically dropped in 1991 as the result of the
a. development of a vaccine from plasma of infected patients b. use of a new vaccination strategy to eliminate hepatitis B c. development of a vaccine to hepatitis B using recombinant HBsAg produced in E. coli d. B and C
Which of the following is associated with the unhealthy "female athlete triad"?
A) Obesity B) Diabetes C) Disordered eating D) Cancer
Levitra (vardenafil) is a drug used in the treatment of:
A) benign prostatic hyperplasia. B) erectile dysfunction. C) Chlamydia. D) genital warts.