Six-year-old Timothy is small for his age, has dry skin, and scanty hair. He also shows signs of intellectual impairment. What disorder do you suspect?

A) goiter
B) pituitary dwarfism
C) myxedema
D) exophthalmos
E) cretinism


E

Anatomy & Physiology

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Which of the following types of tracts are used to conduct nerve impulses between gyri within the same cerebral hemisphere?

a) Association tracts b) Commissural tracts c) Projection tracts d) Mammillothalamic tracts e) Stria medullaris

Anatomy & Physiology

Delayed hypersensitivity is most often treated with antihistamines.

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

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Following damage to axons nearby, oligodendrocytes

A. grow their own fibers to occupy the space. B. secrete growth-inhibitory molecules. C. do not secrete any chemicals. D. secrete growth factors.

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In a reflex arc, what has the action potential carrying the signal to the CNS?

A. Efferent neuron B. Effector C. Afferent neuron D. Receptor

Anatomy & Physiology