« previous next »

Author Question: Patients with phenylketonuria present with decreased pigmentation. Which of the following in the ... (Read 48 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
on: Aug 20, 2018
Patients with phenylketonuria present with decreased pigmentation. Which of the following in the metabolism of phenylalanine is most likely the mechanism causing this?
 a. Lack of phenylalanine hydroxylase decreasing tyrosine production.
  b. Decreased production of serotonin due to phenylketone inhibition.
  c. Increased build up of phenylalanine inhibiting tyrosinase activity.
  d. Increased production of phenylketones inhibiting production of gamma-aminobutyric acid.

Question 2

Colon cancer risk reduction in humans via intake of cruciferous vegetables is linked to glutathione S-transferase genotype.
 a. True
  b. False
  Indicate whether the statement is true or false


wshriver

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Aug 20, 2018
Answer to Question 1

c

Answer to Question 2

True


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Patients unable to stand may be weighed using a chair scale. Patients unable to stand may be weighed using a chair scale.
Standard Precautions for the Care of all Patients in All Health Care Settings Standard Precautions for the Care of all Patients in All Health Care Settings
How to calculate present value (Question 3) How to calculate present value (Question 3)
Phenylketonuria (PKU) Phenylketonuria (PKU)
Prioritization of Admission, Discharge, and Triage of Acutely III Patients in an ICU Prioritization of Admission, Discharge, and Triage of Acutely III Patients in an ICU
Anatomic and Physiologic Considerations with Infant and Child Patients Anatomic and Physiologic Considerations with Infant and Child Patients
Video: Primary and secondary response to infection

For a complete list of videos, visit our video library