PORTHS ESSENTIALS OF PATHOPHYSIOLOGY
5TH EDITION 2026 FULL QUESTIONS AND
VERIFIED CORRECT ANSWERS GRADED A+
◉ What is the leading cause of infant death? Answer: congenital defects.
◉ The location for each gene on a chromosome is called? Answer:
Locus.
◉ A pair of loci (one from each parent) is called? Answer: Alleles.
◉ What is reduced gene penetrance (colloquially called generation-
skipping)? Answer: When an individual has the genotype to express a
defect but is unaffected.
◉ What does the basic biological anomaly in Marian syndrome affect?
Answer: Fibrillin 1, a major component of microfibrils found in the
extra cellular matrix.
◉ What are the clinical manifestations of Marfan syndrome? Answer:
Myopia, vertebral deformity, long limbs and fingers, aortic aneurysms
and floppy valves, and joint hyper mobility.
5TH EDITION 2026 FULL QUESTIONS AND
VERIFIED CORRECT ANSWERS GRADED A+
◉ What is the leading cause of infant death? Answer: congenital defects.
◉ The location for each gene on a chromosome is called? Answer:
Locus.
◉ A pair of loci (one from each parent) is called? Answer: Alleles.
◉ What is reduced gene penetrance (colloquially called generation-
skipping)? Answer: When an individual has the genotype to express a
defect but is unaffected.
◉ What does the basic biological anomaly in Marian syndrome affect?
Answer: Fibrillin 1, a major component of microfibrils found in the
extra cellular matrix.
◉ What are the clinical manifestations of Marfan syndrome? Answer:
Myopia, vertebral deformity, long limbs and fingers, aortic aneurysms
and floppy valves, and joint hyper mobility.
