Specialized ________ form the secretory component of the choroid plexus
A) epididymal cells
B) ependymal cells
C) arachnoid cells
D) astrocyte
E) blood cells
B
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The immunoglobulin that is often the first antibody produced in response to an antigen is ________.
A. IgE B. IgM C. IgA D. IgD E. IgG
Cross-cultural studies of human sexual behavior have shown that:
A. culture has a profound impact upon sexual expression. B. human sexual behavior is primarily determined by biological makeup. C. societies are evolving in their attitudes toward a more Western outlook on sexuality. D. in general, societies are becoming more sexually permissive.
The wrist is ________ to the elbow
A) proximal B) distal C) lateral D) medial E) horizontal
What is the effect of hormones secreted by the thymus gland?
A. These hormones stimulate growth. B. These hormones lower blood calcium levels. C. These hormones increase blood calcium levels. D. These hormones increase blood glucose levels. E. These hormones stimulate the development of the immune system.