PATHOPHYSIOLOGY FINALS EXAM ACTUAL
QUESTIONS AND ANSWERS - LATEST AND
COMPLETE UPDATE WITH VERIFIED SOLUTIONS –
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What genetic process is likely responsible for the occurrence of asthma in only one
of a pair of identical twins?
a. genomic imprinting
b. epigenetic modifications
c. methylation
d. transgenerational inheritance - ANSWER: Epigenetic modifications
Transcription is best defined as a process by which
a. A base pair substitution results in a mutation of the amino acid sequence
b. DNA polymerase binds to the promoter site on RNA.
c. RNA directs the synthesis of ribosomes for protein synthesis
d. RNA is synthesized from a DNA template - ANSWER: RNA is synthesized
from a DNA template
What is the most common cause of Down syndrome?
a. paternal translocation
b. paternal viral illness
,c. nondisjunction error
d. maternal viral illness - ANSWER: nondisjunction error
A person with XXXY has the genetic disorder called __________ syndrome.
a. down
b. fragile x
c. klinefelter
d. turner - ANSWER: klinefelter
Cystic fibrosis is caused by an __________________ gene.
a. x-linked dominant
b. autosomal recessive
c. autosomal dominant
d. x-linked recessive - ANSWER: autosomal recessive
Ans: A- high sodium in the blood vessels pulls water out of the brain cells into the
blood vessels, causing brain cells to shrink - ANSWER: What causes the clinical
manifestations of confusion, convulsions, cerebral hemorrhage, and coma in
hypernatremia?
,A) high sodium in the blood vessels pulls water out of the brain cells into the blood
vessels, causing brain cells to shrink
B) high sodium in the brain cells pulls water out of the blood vessels into the brain
cells, causing them to swell
C) high sodium in the blood vessels pulls potassium out of the brain cells, which
slows the synapses in the brain
D) high sodium in the blood vessels draws chloride into the brain cells followed by
water, causing the brain cells to swell
Organelle that contains the code needed for oxidative phosphorylation is:
a. mitochondria
b. lysosomes
c. nucleus
d. vacuoles - ANSWER: mitochondria
Programmed cell death is an active process of cellular self-destruction. It is also
referred to as
a. apoptosis
b. necrosis
c. metastatic calcification
d. gangrene - ANSWER: Apoptosis
, The nucleolus is a small dense structure composed mainly of RNA and cellular
DNA. What causes the DNA to bind and fold into chromosomes?
a. amino acid sequences
b. histones
c. polymerase
d. miRNA - ANSWER: Histones
Duchenne's Muscular Dystrophy is never transmitted from father to son. It is a
good example of
a. sex-linked recessive disease
b. autosomal dominant disease
c. x-linked recessive disease
d. chromosome structure abnormality disease - ANSWER: x-linked recessive
disease
Which cell is the body's primary defense against parasite invasion?
a. t lymphocytes
b. neutrophils
c. eosinophils
d. b lymphocytes - ANSWER: Eosinophils