The circulating substances that affect the hypothalamus and initiate fever are

A. leukotrienes.
B. pyrogens.
C. complements.
D. interferons.
E. lysozymes.


Answer: B

Biology & Microbiology

You might also like to view...

Many of these non-membranous organelles of eukaryotic cells are necessary to form the cytoskeleton of a cell. 

A. cilia B. microfilaments C. ER D. chromatin

Biology & Microbiology

A person with an XO genotype is classified as having

A) Down syndrome. B) cri du chat syndrome. C) Turner syndrome. D) Klinefelter syndrome. E) a poly-X state.

Biology & Microbiology

In the placenta, nutrients move from mother to baby by ____.

A. activated transport B. the Rh factor C. transport proteins D. simple diffusion E. HCG

Biology & Microbiology

Compare and contrast the light microscope with the electron microscope

What will be an ideal response?

Biology & Microbiology