A 14-year-old boy is at the pediatric clinic for a checkup. What physical changes of puberty will the nurse indicate are related to the production of testosterone?
Decrease in production of sebaceous gland secretions
Increase in muscle mass and strength
Stimulation of production of white cells and platelets
Promotion of growth of small bones
The Correct Answer is B
A. Decrease in production of sebaceous gland secretions is incorrect. Testosterone actually increases sebaceous gland activity, leading to an increase in oil production, which can contribute to acne during puberty.
B. Increase in muscle mass and strength is correct. Testosterone plays a key role in the development of secondary male characteristics, including increased muscle mass, strength, and the growth of larger bones.
C. Stimulation of production of white cells and platelets is incorrect. While testosterone affects many bodily functions, it does not directly stimulate the production of white cells or platelets.
D. Promotion of growth of small bones is incorrect. Testosterone is more closely associated with the growth and development of larger bones (e.g., long bones), leading to height increases during puberty. It does not promote the growth of small bones.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The labia minora are inner folds of skin that enclose and protect the vaginal and urethral openings but are not located between the vaginal opening and the anus.
B. The labia majora are outer folds of skin that also protect the vaginal area but are located externally and not between the vaginal opening and the anus.
C. The perineum is the area of tissue between the vaginal opening and the anus, and it plays an important role in childbirth and pelvic support.
D. The vestibule is the region inside the labia minora that contains the openings to the urethra and vagina but does not extend to the area near the anus.
Correct Answer is C
Explanation
A. At 8 weeks, the embryo is transitioning into the fetal stage of development and is not viable outside the womb. Organs are still in the early stages of formation.
B. While some sources may consider 24 weeks the age of "reasonable viability" with intensive medical support, many medical guidelines recognize viability beginning as early as 20 weeks under optimal conditions.
C. The age of 20 weeks is often cited as the lower threshold of fetal viability due to improved neonatal care, although survival rates improve significantly after this point.
D. At 14 weeks, the fetus is in the second trimester, but it is far too underdeveloped for survival outside the womb.
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