UNDERSTANDING ANATOMY AND
PHYSIOLOGY EXAM 3 CERTIFICATION
ASSESSMENT 2026 VERIFIED ANSWERS
GRADED A+
◉ During the first 2 months of pregnancy, what is the source of
estrogen and progesterone?
Answer: Corpus luteum
◉ During which stage of pregnancy is the developing fetus most
vulnerable to toxins, stress, drugs, and nutritional deficiencies?
Answer: First trimester
◉ What is the function of the foramen ovale?
Answer: Divert blood from the right to the left atrium
◉ Fertilization normally occurs in the:
Answer: fallopian tube.
◉ At which point is the product of conception called a fetus?
Answer: After the organs are formed
,◉ Which hormone is responsible for the production of milk in the
mammary glands?
Answer: Prolactin
◉ What characteristic of umbilical cord blood makes it useful in
treating certain diseases?
Answer: It contains an abundance of stem cells.
◉ The first hormone secreted at the onset of puberty in both males
and females is:
Answer: gonadotropin-releasing hormone.
◉ Gametes are:
Answer: sex cells.
◉ Until ejaculation, sperm are stored in the:
Answer: epididymis.
◉ Where is testosterone produced?
Answer: Interstitial cells of the testes
,◉ Which organ supplies most of the fluid volume of semen?
Answer: Seminal vesicles
◉ The surge in which hormone causes ovulation?
Answer: Luteinizing hormone
◉ An embryo attaches to which layer of the uterine wall?
Answer: Endometrium
◉ Falling levels of which two hormones trigger menstruation?
Answer: Estrogen and progesterone
◉ The structure that secretes progesterone during the last half of
the ovarian cycle is the:
Answer: corpus luteum.
◉ Birth control pills prevent pregnancy by:
Answer: interfering with follicular development and
ovulation.
◉ Which statement about basal metabolic (BMR) rate is accurate?
Answer: A person's size affects his BMR.
, ◉ Which hormone stimulates the appetite?
Answer: Ghrelin
◉ In the body, what stores the greatest amount of energy in the
smallest amount of space?
Answer: Fat
◉ Nonessential amino acids are:
Answer: synthesized by the body.
◉ Which of the following is a digestible polysaccharide?
Answer: Starch
◉ An incomplete protein is one that:
Answer: lacks one or more essential amino acids.
◉ The major nitrogenous waste resulting from protein metabolism
is:
Answer: urea
◉ Which statement about water-soluble vitamins is true?
PHYSIOLOGY EXAM 3 CERTIFICATION
ASSESSMENT 2026 VERIFIED ANSWERS
GRADED A+
◉ During the first 2 months of pregnancy, what is the source of
estrogen and progesterone?
Answer: Corpus luteum
◉ During which stage of pregnancy is the developing fetus most
vulnerable to toxins, stress, drugs, and nutritional deficiencies?
Answer: First trimester
◉ What is the function of the foramen ovale?
Answer: Divert blood from the right to the left atrium
◉ Fertilization normally occurs in the:
Answer: fallopian tube.
◉ At which point is the product of conception called a fetus?
Answer: After the organs are formed
,◉ Which hormone is responsible for the production of milk in the
mammary glands?
Answer: Prolactin
◉ What characteristic of umbilical cord blood makes it useful in
treating certain diseases?
Answer: It contains an abundance of stem cells.
◉ The first hormone secreted at the onset of puberty in both males
and females is:
Answer: gonadotropin-releasing hormone.
◉ Gametes are:
Answer: sex cells.
◉ Until ejaculation, sperm are stored in the:
Answer: epididymis.
◉ Where is testosterone produced?
Answer: Interstitial cells of the testes
,◉ Which organ supplies most of the fluid volume of semen?
Answer: Seminal vesicles
◉ The surge in which hormone causes ovulation?
Answer: Luteinizing hormone
◉ An embryo attaches to which layer of the uterine wall?
Answer: Endometrium
◉ Falling levels of which two hormones trigger menstruation?
Answer: Estrogen and progesterone
◉ The structure that secretes progesterone during the last half of
the ovarian cycle is the:
Answer: corpus luteum.
◉ Birth control pills prevent pregnancy by:
Answer: interfering with follicular development and
ovulation.
◉ Which statement about basal metabolic (BMR) rate is accurate?
Answer: A person's size affects his BMR.
, ◉ Which hormone stimulates the appetite?
Answer: Ghrelin
◉ In the body, what stores the greatest amount of energy in the
smallest amount of space?
Answer: Fat
◉ Nonessential amino acids are:
Answer: synthesized by the body.
◉ Which of the following is a digestible polysaccharide?
Answer: Starch
◉ An incomplete protein is one that:
Answer: lacks one or more essential amino acids.
◉ The major nitrogenous waste resulting from protein metabolism
is:
Answer: urea
◉ Which statement about water-soluble vitamins is true?
