Answer to Question 1
C
Feedback:
Typically, most endocrine glands begin to develop during the first trimester of gestation, but their development is incomplete at birth. Thus, complete hormonal control is lacking during the early years of life, and the infant cannot appropriately balance fluid concentration, electrolytes, amino acids, glucose, and trace substances.
Answer to Question 2
D
Feedback:
Hypothyroidism is manifested by weight gain, fatigue, cold intolerance, and dry skin. Nervousness, heat intolerance, and smooth velvety skin are associated with hyperthyroidism.