Antigens are

A.  something made by a white blood cell to destroy a pathogen.
B.  something that an antibody or T-lymphocyte binds to.
C.  disorders involving overactive immune systems.
D.  membrane receptors on B-lymphocytes.


B

Anatomy & Physiology

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Answer the following statements true (T) or false (F)

1. Two neuron reflexes contain an interneuron and a motor neuron. 2. A ganglion is a group of nerve cell bodies located in the peripheral nervous system. 3. The difference between a two- and three-neuron reflex is the presence of an interneuron. 4. All interneurons are found in the central nervous system. 5. Multiple sclerosis is a disorder caused by injury or death to the oligodendrocytes.

Anatomy & Physiology

The process of blood cell formation is ________.

A. hematopoiesis B. leukocytosis C. polycythemia D. hemogenesis

Anatomy & Physiology

Which of these is hydrophobic?

A. Glucose B. Water C. K+ D. Cl- E. Lipid

Anatomy & Physiology

The number of cells produced by meiosis is ________ the number of cells produced by mitosis.

one-fourth half equal to twice four times

Anatomy & Physiology