NU110 Exam 3 Galen | Reproductive System, Digestion,
Metabolism, Renal System, Fluid & Electrolytes, Human
Development | Comprehensive Study Guide
Latest 2026/2027 Update | 100% Correct Verified Answers | Grade A Guaranteed – Nursing Program
SUBJECT COURSE FOCUS
Anatomy & Physiology / Nursing NU110 Exam 3 Galen Reproductive System, Digestion,
Fundamentals Metabolism, Renal System, Fluid &
Electrolytes, Human Development
Question 1
What is the function of the ovaries?
CORRECT ANSWER
Produce and store ovum. Make hormones (estrogen and progesterone).
RATIONALE
• The ovaries are the female gonads responsible for oogenesis (egg production).
• They secrete estrogen (development of female secondary sex characteristics) and progesterone (preparation of
uterus for implantation).
• Ovarian function declines at menopause.
,Question 2
What is the function of semen?
CORRECT ANSWER
Nourish and transport the spermatozoa.
RATIONALE
• Semen is composed of sperm and seminal fluid from the seminal vesicles, prostate, and bulbourethral glands.
• Seminal fluid provides nutrients (fructose for energy), protects sperm from vaginal acidity, and aids motility.
• Normal semen volume is 2-5 mL per ejaculation.
Question 3
What is the function of the epididymis?
CORRECT ANSWER
Storage for sperm and sperm maturation.
RATIONALE
• The epididymis is a coiled tube on the posterior surface of each testis where sperm mature and gain motility.
• Sperm can be stored in the epididymis for several weeks.
• During ejaculation, sperm travel from the epididymis through the vas deferens.
, Question 4
What does testosterone do?
CORRECT ANSWER
Development of spermatozoa, develops and provides maintenance for the male reproductive
accessory organs.
RATIONALE
• Testosterone is the primary male sex hormone (androgen) produced by Leydig cells in the testes.
• It stimulates spermatogenesis, development of male secondary sex characteristics (deep voice, facial hair,
increased muscle mass), and libido.
• Testosterone levels decline with age.
Question 5
What number of chromosomes determines the sex of the baby?
CORRECT ANSWER
23
RATIONALE
• The 23rd pair of chromosomes are the sex chromosomes (XX = female, XY = male).
• Females contribute an X chromosome; males contribute either an X or a Y chromosome.
• The presence of the SRY gene on the Y chromosome triggers male development.
Metabolism, Renal System, Fluid & Electrolytes, Human
Development | Comprehensive Study Guide
Latest 2026/2027 Update | 100% Correct Verified Answers | Grade A Guaranteed – Nursing Program
SUBJECT COURSE FOCUS
Anatomy & Physiology / Nursing NU110 Exam 3 Galen Reproductive System, Digestion,
Fundamentals Metabolism, Renal System, Fluid &
Electrolytes, Human Development
Question 1
What is the function of the ovaries?
CORRECT ANSWER
Produce and store ovum. Make hormones (estrogen and progesterone).
RATIONALE
• The ovaries are the female gonads responsible for oogenesis (egg production).
• They secrete estrogen (development of female secondary sex characteristics) and progesterone (preparation of
uterus for implantation).
• Ovarian function declines at menopause.
,Question 2
What is the function of semen?
CORRECT ANSWER
Nourish and transport the spermatozoa.
RATIONALE
• Semen is composed of sperm and seminal fluid from the seminal vesicles, prostate, and bulbourethral glands.
• Seminal fluid provides nutrients (fructose for energy), protects sperm from vaginal acidity, and aids motility.
• Normal semen volume is 2-5 mL per ejaculation.
Question 3
What is the function of the epididymis?
CORRECT ANSWER
Storage for sperm and sperm maturation.
RATIONALE
• The epididymis is a coiled tube on the posterior surface of each testis where sperm mature and gain motility.
• Sperm can be stored in the epididymis for several weeks.
• During ejaculation, sperm travel from the epididymis through the vas deferens.
, Question 4
What does testosterone do?
CORRECT ANSWER
Development of spermatozoa, develops and provides maintenance for the male reproductive
accessory organs.
RATIONALE
• Testosterone is the primary male sex hormone (androgen) produced by Leydig cells in the testes.
• It stimulates spermatogenesis, development of male secondary sex characteristics (deep voice, facial hair,
increased muscle mass), and libido.
• Testosterone levels decline with age.
Question 5
What number of chromosomes determines the sex of the baby?
CORRECT ANSWER
23
RATIONALE
• The 23rd pair of chromosomes are the sex chromosomes (XX = female, XY = male).
• Females contribute an X chromosome; males contribute either an X or a Y chromosome.
• The presence of the SRY gene on the Y chromosome triggers male development.
