Answer to Question 1
ANS: D
The apocrine sweat glands, nonfunctional in children, reach secretory capacity during puberty. They secrete a thick substance as a result of emotional stimulation that, when acted on by surface bacteria, becomes highly odoriferous. They are limited in distribution and grow in conjunction with hair follicles in the axillae, genital and anal areas, and other areas. Eccrine sweat glands are present almost everywhere on the skin and become fully functional and respond to emotional and thermal stimulation. Sebaceous glands become extremely active at this time, especially those on the genitals and the flush areas of the body, such as face, neck, shoulders, upper back, and chest. This increased activity is important in the development of acne. New deposits of fatty tissue insulate the body and cause increased sweat production, but this is not the etiology of apocrine sweat gland activity.
Answer to Question 2
ANS: A
Cognitive thinking culminates with capacity for abstract thinking. This stage, the period of formal operations, is Piaget's fourth and last stage. The concrete operations stage usually develops between ages 7 and 11 years. Conventional and postconventional thought refer to Kohlberg's stages of moral development.
Nurse examining and measuring hematuria sample from client with a UTI
H. erectus migrated out of Africa beginning about 1.8 million years ago and is first known from Geor
Checklist of Developmental Skills: Birth to 5 years Cont.
Preschool: 3–6 years.
Approximately 40 percent of farmers in the United States are 55 years old or older
Cyanobacteria from 850 million years ago (Photo 2)