By altering metabolism, the _____ gland can have a sizable effect on personality with overactivity of this gland causing excitability and nervousness and underactivity of this gland causing one to be lethargic and sleepy.
A)pineal
B)thyroid
C)adrenal
D)pituitary

Question

Quizplus · Accepted Answer

The statement is describing the effects of the thyroid gland on personality. Overactive thyroid gland results in hyperthyroidism, which causes excitability and nervousness while an underactive thyroid gland results in hypothyroidism, which can cause lethargy and sleepiness. The other glands listed do not directly affect metabolism and personality in the same way as the thyroid gland.

By Altering Metabolism, the _____ Gland Can Have a Sizable