The onset of AIDS is often accompanied by
A. a positive HIV test.
B. lung infections and other opportunistic infections.
C. a steep drop in T cell numbers.
D. macrophage infection.
E. Kaposi's sarcoma.
Answer: C
You might also like to view...
During gastrulation in sea urchins, invagination produces a cavity called the ____
a. archenteron b. primary mesenchyme c. secondary mesenchyme d. blastocoel e. blastocyst
Which fossil would be the oldest in a given strata and why? What will be an ideal response?
For women with a mutated BRCA gene, the risk of breast cancer is about 60%. However, detection of the mutated gene can occur before cancer ever develops by
A) testing of a blood sample. B) screening mammography. C) taking a biopsy of breast tissue. D) a PET scan. E) urinalysis.
Flatworms ________.
a) are segmented worms like earthworms and leeches b) have radical symmetry c) are the simplest animals with organs and organ systems d) have an exoskeleton and paired jointed appendages