Which lymphoid organs and tissues are characterized by a cortex and medulla?
A) lymph nodes and thymus only
B) lymph nodes, thymus and spleen only
C) lymph nodes, spleen, and mucosa-associated lymphoid tissues (MALT) only
D) spleen and thymus only
Answer: A) lymph nodes and thymus only
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This type of lipid is the body's primary long-term energy storage molecule
a) steroid b) phospholipid c) cholesterol d) triglyceride e) lipoprotein
Which type of leukocyte has a derivative known as the plasma cell?
a. neutrophil b. B lymphocyte c. T lymphocyte d. macrophage e. basophil
The anterior branch or ramus of a spinal nerve supplies
A) muscles and skin of the back B) muscles and skin on the front and sides of the trunk and limbs C) the meninges and blood vessels of the spinal cord D) intervertebral ligaments and vertebrae
Identify the muscle or muscles that facilitate the action described in the following situation: During a trip to New York City, you whistle loudly to hail a taxicab
A) buccinator, mentalis B) buccinator, orbicularis oris C) buccinator, depressor anguli oris D) buccinator