Which of the following is true regarding lactose intolerance?
A) The stomach produces inadequate amounts of lactase.
B) Lactose-intolerant infants cannot digest dairy fat and are at risk of starvation.
C) The person cannot digest any type of monosaccharide.
D) The intestinal crypts are not producing the enzyme lactase.
E) The enzyme maltase begins to digest lactose.
Question 2
The condition known as seasonal affective disorder (SAD) may be caused by
A) increased levels of melanin.
B) increased levels of melatonin.
C) increased levels of melanocyte-stimulating hormone.
D) increased levels of gonadotrophins.
E) decreased levels of testosterone.