Nursing
Week 9 DB
Top of Form
1. Which manifestation is a characteristic feature of untreated phenylketonuria (PKU)?
|
A. |
Increased skin pigmentation |
|
B. |
Excessive urination |
|
C. |
Fragile bones |
|
D. |
Small stature |
Bottom of Form
Top of Form
2. What is the expected result of a deficiency in the enzyme phenylalanine hydroxylase (PAH)?
|
A. |
High levels of phenylalanine; low levels of tyrosine |
|
B. |
High levels of phenylalanine; high levels of tyrosine |
|
C. |
Low levels of phenylalanine; low levels of tyrosine |
|
D. |
Low levels of phenylalanine; high levels of tyrosine |
Bottom of Form
Top of Form
3. Which substance fails to form normally in individuals with Marfan syndrome?
|
A. |
Elastin |
|
B. |
Glycogen |
|
C. |
Collagen |
|
D. |
Fibrillin |
Bottom of Form