Test Bank For Understanding Anatomy and Physiology,
Thompson, 3rd Edition (Thompson, 2020), Chapter 1-25 |
9780803676459 | All Chapters with Answers and Rationals
Chromosomes consist of - ANSWER: long strands of tightly coiled DNA.
The genetic information in male offspring is: - ANSWER: inherited from both the father and the
mother.
Female offspring result when: - ANSWER: a sperm with an X chromosome fertilizes the egg.
An alternative form of a gene is called: - ANSWER: an allele.
Which of the following statements about alleles is correct? - ANSWER: An individual may have two
alleles that are the same or two alleles that are different.
Which of the following statements about sex-linked inheritance is correct? - ANSWER: Almost all of
the sex-linked traits are carried on the X chromosome and are recessive.
Most common chromosomal abnormalities result when: - ANSWER: homologous chromosomes fail to
separate during
meiosis.
The fertilized egg is at which stage when it implants in the uterus? - ANSWER: Blastocyst
How long can sperm remain viable within the female reproductive tract? - ANSWER: As long as 6 days
What is the significance of the embryotic disc? - ANSWER: It gives rise to the three germ layers.
Which is a function of the yolk sac? - ANSWER: Supply the fetus with nutrients
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? - ANSWER: They are excreted by the kidney
through urine and must be replaced daily.
Sitting on the cold ground causes heat loss through: - ANSWER: conduction
All ingested carbohydrates are first converted to: - ANSWER: glucose
In which phase of digestion do enzymes break down food into particles cells can absorb? - ANSWER:
Chemical digestion
The layer of the digestive tract that contracts and relaxes to propel food forward is the: - ANSWER:
muscularis
Which mesentery hangs over the small intestine like an apron? - ANSWER: Greater omentum
Which enzyme acts in the mouth to begin the breakdown of starch? - ANSWER: Amylase
The muscular tube that connects the pharynx to the stomach is the: - ANSWER: esophagus
How do triglycerides enter the bloodstream? - ANSWER: They enter the lacteal and travel through the
lymphatic
system to enter the bloodstream.
Thompson, 3rd Edition (Thompson, 2020), Chapter 1-25 |
9780803676459 | All Chapters with Answers and Rationals
Chromosomes consist of - ANSWER: long strands of tightly coiled DNA.
The genetic information in male offspring is: - ANSWER: inherited from both the father and the
mother.
Female offspring result when: - ANSWER: a sperm with an X chromosome fertilizes the egg.
An alternative form of a gene is called: - ANSWER: an allele.
Which of the following statements about alleles is correct? - ANSWER: An individual may have two
alleles that are the same or two alleles that are different.
Which of the following statements about sex-linked inheritance is correct? - ANSWER: Almost all of
the sex-linked traits are carried on the X chromosome and are recessive.
Most common chromosomal abnormalities result when: - ANSWER: homologous chromosomes fail to
separate during
meiosis.
The fertilized egg is at which stage when it implants in the uterus? - ANSWER: Blastocyst
How long can sperm remain viable within the female reproductive tract? - ANSWER: As long as 6 days
What is the significance of the embryotic disc? - ANSWER: It gives rise to the three germ layers.
Which is a function of the yolk sac? - ANSWER: Supply the fetus with nutrients
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? - ANSWER: They are excreted by the kidney
through urine and must be replaced daily.
Sitting on the cold ground causes heat loss through: - ANSWER: conduction
All ingested carbohydrates are first converted to: - ANSWER: glucose
In which phase of digestion do enzymes break down food into particles cells can absorb? - ANSWER:
Chemical digestion
The layer of the digestive tract that contracts and relaxes to propel food forward is the: - ANSWER:
muscularis
Which mesentery hangs over the small intestine like an apron? - ANSWER: Greater omentum
Which enzyme acts in the mouth to begin the breakdown of starch? - ANSWER: Amylase
The muscular tube that connects the pharynx to the stomach is the: - ANSWER: esophagus
How do triglycerides enter the bloodstream? - ANSWER: They enter the lacteal and travel through the
lymphatic
system to enter the bloodstream.
