B Activities of body organs ^are influenced by endocrine ^secretions called ^A) Narcotics B) Hormones ^A The ----- gland has the ^highest concentration of ^iodine in the human body. ^A) Thyroid B) Thymus ^A Hyperthyroidism results when ^the thyroid gland is ^overactive. ^A) True B) False ^B In hypothyroidism, the rate ^of oxidation is too ^A) Fast B) Slow ^ ^A Lack of thyroxin during ^infancy results in ^A) Cretinism B) Rickets ^ ^A The hormone which gives ^people startling strength ^during anger or fright is ^A) Epinephrine B) Oxytocin ^A Which portion of the adrenal ^gland is essential to life? ^A) Cortex B) Medulla ^ ^B The Islets of Langerhans ^produce the hormone ^A) Cortisone B) Insulin ^ ^B Diabetes is the result of ^too ----- insulin. ^A) Much B) Little ^ ^A An increase in blood glucose ^levels causes the pancreas ^to secrete ----- insulin. ^A) More B) Less ^ ^ ^ ^ ^
