Pathophysiology: The Biologic Basis for
Disease in Adults and Children 9th
Edition — Complete Guide (All
Chapters, with Solutions)
The DNA is composed of: (select all that apply)
-phosphate
-deoxyribose
-pyrimidine base
-ribosome
-purine base - ANSWERSdeoxyribose, pyrimidine base, ribosome
Regarding sex-linked inheritance, select the true statement.
a. Most sex-linked traits occur on the Y chromosome
b. X-linked recessive diseases are more common than X-linked dominant diseases
c. Males are less affected by X-linked diseases
d. Females are always homozygous for X-linked traits - ANSWERSB
Which chemical complex is secreted into the cytoplasm and synthesized in the
nucleolus?
a. Endoplasmic reticulum
b. Cisternae
c. Ribosome
d. Lysosome - ANSWERSC
A female patient born with short stature, webbing of the neck, sparse body hair, and
narrowing of the aorta is likely exhibiting symptomatology of:
a. Klinefelter syndrome
b. Down syndrome
c. Turner syndrome
d. fetal alcohol syndrome - ANSWERSC
Which statement regarding codons is TRUE?
a. There are 80 possible codons
b. there are 3 codons that signal the end of a gene
c. There are 70 codons that specify amino acids
, d. Each amino acid has one codon - ANSWERSB
Which statement regarding autosomal recessive trait inheritance is accurate?
Autosomal recessive trait inheritance results in:
a. Parents consistently displaying the trait
b. Approximately 50% of children displaying the trait
c. Both males and females being affected equally
d. The child being heterozygous - ANSWERSC
The term describing the DNA subunit of one deoxyribose molecule, one phosphate
group, and one base is a:
a. Polypeptide
b. Double helix
c. Nucleotide
d. Codon - ANSWERSC
Which is correct regarding Down Syndrome? Down syndrome:
a. occurs in 1 in 400 live births
b. Produces an individual with a normal IQ
c. Results in a distinctive facial appearance
d. Has a symptomatology that includes above average muscle tone - ANSWERSC
A patient born with the deletion of the short arm of the chromosome 5 is exhibiting a
characteristic of:
a. Down syndrome
b. Turner syndrome
c. Fragile X syndrome
d. cri du chat syndrome - ANSWERSD
Chapter 3: Epigenetics and Disease - ANSWERS
Which describe epigenetic mechanisms?
a. DNA methylation, histone modifications, RNA-based modifications
b. RNA methylation, protease modifications, DNA-based modifications
c. Genetic disruption, protease modifications, DNA-based modifications
d. Histone modification, DNA-based modifications, RNA methylation - ANSWERSA-
DNA methylation, histone modifications, RNA-based modifications
Which is true of Prader-Willi syndrome? (select all that apply)
-associated with long arm deletion of chromosome 15
-taller than average due to excessive eating