The term "swollen glands" is usually meant to refer to lymph nodes in which
A. macrophages are entering at the hilum.
B. phagocytes are consuming the infected lymph nodes.
C. the valves of afferent vessels are bulging.
D. macrophages are clogging afferent lymphatic vessels.
E. lymphocytes are proliferating in germinal centers.
Answer: E
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Janet is homozygous dominant for the wild type allele of the gene that when mutant causes cystic fibrosis. Her brother Henry is a heterozygote. They both do not have the disease cystic fibrosis.
Answer the following statement true (T) or false (F)
Sensory neurons entering the spinal cord
A) enter through the dorsal horn. B) have their cell bodies in the dorsal root ganglia. C) travel through a spinal nerve. D) synapse with other neurons in the gray matter of the spinal cord. E) all of these
The actual receptors for hearing are called:
A. baroreceptors. B. nociceptors. C. hair cells. D. Pacinian corpuscles. E. somatic receptors.
When innate immunity is activated,
A. each exposure is very specific. B. previous exposures are remembered. C. each exposure produces the same response. D. each exposure increases the strength of the immune response. E. the second exposure does not produce a response.