Question 1

Which of the following may promote a change in a DNA molecule affecting gene expression without changing the nucleotide sequence?

Accepted Answer

A) Genomic imprinting 
B) Mutation 
C) SNP 
D) Gene variant 
A) Genomic imprinting 
B) Mutation 
C) SNP 
D) Gene variant A

Question 2

What syndrome results from inheriting two copies of a deletion in chromosome 15 from the father?

Accepted Answer

A) Williams syndrome 
B) Down syndrome 
C) Angelman's syndrome 
D) Klinefelter syndrome 
A) Williams syndrome 
B) Down syndrome 
C) Angelman's syndrome 
D) Klinefelter syndrome C

Question 3

Which type of disorders are the most common of the Mendelian inherited disorders?

Accepted Answer

A) Autosomal recessive diseases 
B) Autosomal dominant diseases 
C) X-linked dominant diseases 
D) X-linked recessive diseases 
A) Autosomal recessive diseases 
B) Autosomal dominant diseases 
C) X-linked dominant diseases 
D) X-linked recessive diseases A

Question 4

Phenylketonuria is what type of genetic disorder?

Accepted Answer

A) Autosomal dominant 
B) Autosomal recessive 
C) X-linked dominant 
D) X-linked recessive 
A) Autosomal dominant 
B) Autosomal recessive 
C) X-linked dominant 
D) X-linked recessive

Question 5

Within a strand of DNA, which of the following nucleotide base pairings is possible?

Accepted Answer

A) Adenine-guanine 
B) Cytosine-thymine 
C) Adenine-uracil 
D) Cytosine-guanine 
A) Adenine-guanine 
B) Cytosine-thymine 
C) Adenine-uracil 
D) Cytosine-guanine

Question 6

In genomics, "SNP" refer to

Accepted Answer

A) the sequencing of nucleotides to make proteins. 
B) a method of extracting a gene from a DNA strand. 
C) a variation in a DNA sequence caused by one nucleotide. 
D) sex-linked nucleotide penetrance. 
A) the sequencing of nucleotides to make proteins. 
B) a method of extracting a gene from a DNA strand. 
C) a variation in a DNA sequence caused by one nucleotide. 
D) sex-linked nucleotide penetrance.

Question 7

Which of the following is a syndrome caused by extra chromosomes?

Accepted Answer

A) Williams syndrome 
B) Down syndrome 
C) Angelman's syndrome 
D) Prader-Willi syndrome 
A) Williams syndrome 
B) Down syndrome 
C) Angelman's syndrome 
D) Prader-Willi syndrome

Question 8

What is the term that describes a gene that is present but not expressing a particular phenotype?

Accepted Answer

A) Pedigree 
B) Reduced penetrance 
C) Dominance 
D) Linkage 
A) Pedigree 
B) Reduced penetrance 
C) Dominance 
D) Linkage

Question 9

The 677C>T variant of the MTHFR gene may increase the risk of which disease?

Accepted Answer

A) Wilson's disease 
B) Diabetes mellitus 
C) Cancer 
D) Cardiovascular disease 
A) Wilson's disease 
B) Diabetes mellitus 
C) Cancer 
D) Cardiovascular disease

Question 10

Nutritional components of food affect genetic expression by acting as ligands for peroxisome proliferator activated receptors (PPAR).Which disease may NOT be positively affected by this nutrigenomic relationship?

Accepted Answer

A) Type 2 diabetes mellitus 
B) Cancer 
C) Obesity 
D) Atherosclerosis 
A) Type 2 diabetes mellitus 
B) Cancer 
C) Obesity 
D) Atherosclerosis

Question 11

Which area of study focuses on the identification and understanding of the function of the end products of the genes within the human genome?

Accepted Answer

A) Nutrigenomics 
B) Proteomics 
C) Metabolomics 
D) Genomics 
A) Nutrigenomics 
B) Proteomics 
C) Metabolomics 
D) Genomics

Question 12

In protein synthesis, what subcomponent of DNA directs the inclusion of a specific amino acid within the protein?

Accepted Answer

A) The gene 
B) The intron 
C) The codon 
D) The exon 
A) The gene 
B) The intron 
C) The codon 
D) The exon

Question 13

Approximately how many nucleotides make up human DNA?

Accepted Answer

A) 1 million 
B) 2 billion 
C) 3 billion 
D) 8 billion 
A) 1 million 
B) 2 billion 
C) 3 billion 
D) 8 billion

Question 14

In regard to nutritional assessment, which of the following will nutrition professionals need to be able to read to identify a patient's potential susceptibility to diseases?

Accepted Answer

A) Phenotype 
B) Genotype 
C) Karyotype 
D) Genomic imprint 
A) Phenotype 
B) Genotype 
C) Karyotype 
D) Genomic imprint

Question 15

Which of the following is the area of DNA where binding of regulatory proteins signals the start of transcription?

Accepted Answer

A) Promoter 
B) Intervening sequence 
C) Response element 
D) Transcription factor 
A) Promoter 
B) Intervening sequence 
C) Response element 
D) Transcription factor

Question 16

The purpose of the Genetic Information Nondiscrimination Act (GINA) is to

Accepted Answer

A) define genetic testing and genetic information. 
B) ban discrimination based on genetic information. 
C) ensure the fair and positive use of genetic testing. 
D) all of the above. 
A) define genetic testing and genetic information. 
B) ban discrimination based on genetic information. 
C) ensure the fair and positive use of genetic testing. 
D) all of the above.

Question 17

During protein synthesis, when are introns removed?

Accepted Answer

A) Transcription 
B) Posttranscriptional processing 
C) Translation 
D) Posttranslational processing 
A) Transcription 
B) Posttranscriptional processing 
C) Translation 
D) Posttranslational processing

Question 18

What is the effect of a silent mutation on DNA?

Accepted Answer

A) It is harmful to the host. 
B) It accumulates additional mutations more quickly than unaffected DNA. 
C) It improves certain functions of the DNA. 
D) It has no effect on the DNA. 
A) It is harmful to the host. 
B) It accumulates additional mutations more quickly than unaffected DNA. 
C) It improves certain functions of the DNA. 
D) It has no effect on the DNA.

Question 19

What is the term that describes the natural variations in a gene that create no adverse effects on the individual and appear frequently within the population?

Accepted Answer

A) Autosomal dominant 
B) Homozygous 
C) Polymorphism 
D) Heterozygous 
A) Autosomal dominant 
B) Homozygous 
C) Polymorphism 
D) Heterozygous

Question 20

Among which types of inheritance have no nutrition-related disorders been identified?

Accepted Answer

A) Autosomal recessive 
B) X-linked dominant 
C) Y-linked 
D) X-linked recessive 
A) Autosomal recessive 
B) X-linked dominant 
C) Y-linked 
D) X-linked recessive

Exam 5: Assessment: Nutritional Genomics

Which of the following may promote a change in a DNA molecule affecting gene expression without changing the nucleotide sequence?

What syndrome results from inheriting two copies of a deletion in chromosome 15 from the father?

Which type of disorders are the most common of the Mendelian inherited disorders?

Phenylketonuria is what type of genetic disorder?

Within a strand of DNA, which of the following nucleotide base pairings is possible?

In genomics, "SNP" refer to

Which of the following is a syndrome caused by extra chromosomes?

What is the term that describes a gene that is present but not expressing a particular phenotype?

The 677C>T variant of the MTHFR gene may increase the risk of which disease?

Nutritional components of food affect genetic expression by acting as ligands for peroxisome proliferator activated receptors (PPAR).Which disease may NOT be positively affected by this nutrigenomic relationship?

Which area of study focuses on the identification and understanding of the function of the end products of the genes within the human genome?

In protein synthesis, what subcomponent of DNA directs the inclusion of a specific amino acid within the protein?

Approximately how many nucleotides make up human DNA?

In regard to nutritional assessment, which of the following will nutrition professionals need to be able to read to identify a patient's potential susceptibility to diseases?

Which of the following is the area of DNA where binding of regulatory proteins signals the start of transcription?

The purpose of the Genetic Information Nondiscrimination Act (GINA) is to

During protein synthesis, when are introns removed?

What is the effect of a silent mutation on DNA?

What is the term that describes the natural variations in a gene that create no adverse effects on the individual and appear frequently within the population?

Among which types of inheritance have no nutrition-related disorders been identified?

Digestion, Absorption, Transport, and Excretion of Nutrients

Energy

The Nutrients and Their Metabolism

Intake: Analysis of the Diet

Clinical: Inflammation, Physical and Functional Assessment

Water, Electrolytes, and Acid-Base Balance

Clinical: Biochemical Assessment

Clinical: Food-Drug Interactions

Behavioral-Environmental: The Individual in the Community

Overview of Nutrition Diagnosis and Intervention

Food-Nutrient Delivery: Planning the Diet With Cultural Competency

Food and Nutrient Delivery: Bioactive Substances and Integrative Care

Food-Nutrient Delivery: Nutrition Support Methods

Interventions: Education and Counseling for Behavior Change

Nutrition in Pregnancy and Lactation

Nutrition During Infancy

Nutrition in Childhood

Nutrition in Adolescence

Nutrition in the Adult Years

Nutrition in Aging

Weight Management

Nutrition in Eating Disorders

Nutrition in Exercise and Sports Performance

Nutrition and Bone Health

Nutrition for Oral and Dental Health

Mnt for Food Allergy and Food Intolerance

Medical Nutrition Therapy for Upper Gastrointestinal Tract Disorders

Medical Nutrition Therapy for Lower Gastrointestinal Tract Disorders

Medical Nutrition Therapy for Liver, Biliary System, and Exocrine Pancreas Disorders

Medical Nutrition Therapy for Diabetes Mellitus and Hypoglycemia of Nondiabetic Origin

Medical Nutrition Therapy for Thyroid and Related Disorders

Medical Nutrition Therapy for Anemia

Medical Nutrition Therapy for Cardiovascular Disease

Medical Nutrition Therapy for Pulmonary Disease

Medical and Nutrition Therapy for Renal Disorders

Medical and Nutrition Therapy for Cancer

Medical and Nutrition Therapy for HIV and AIDS

Medical and Nutrition Therapy for Metabolic Stress: Sepsis, Trauma, Burns, and Surgery

Medical and Nutrition Therapy for Rheumatic Disease

Medical and Nutrition Therapy for Neurologic Disorders

Medical and Nutrition Therapy for Psychiatric Conditions

Medical and Nutrition Therapy for Low-Birth-Weight Infants

Medical and Nutrition Therapy for Genetic Metabolic Disorders

Medical and Nutrition Therapy for Developmental Disabilities

Filters