In alternative medicine DL-Phenylalanine is typically used for the following EXCEPT:

Question

In alternative medicine DL-Phenylalanine  is typically used  for the following EXCEPT:

BlackTom AI · Accepted Answer

DL-Phenylalanine (DLPA) is a racemic mixture whose L-isomer is a biochemical precursor of tyrosine and downstream catecholamines (dopamine, norepinephrine), and whose D-isomer can inhibit enkephalin-degrading enzymes, raising endogenous opioid (endorphin/enkephalin) levels. These mechanisms underlie its clinical uses.

Step‑by‑step reasoning through the options:
1) a. as an antidepressant — L‑phenylalanine increases substrate for catecholamine synthesis, which can have mood-elevating effects. Clinical/alternative‑medicine use and some trials have investigated DLPA for mild depression; this is a recognized indication in complementary practice. Therefore this is a typical use, not the exception.
2) c. as a pain killer — The D‑isomer’s enkephalinase inhibition increases endogenous opioids, producing analgesic effects. DLPA has been used as an adjuvant analgesic for chronic pain syndromes, so “as a pain killer” is a typical stated use.
3) d. to treat arthritis — Arthritis often involves chronic pain; because DLPA can augment endorphin levels and modulate pain perception, it has been used in alternative medicine to help chronic arthritic pain. Thus this option aligns with known alternative uses.
4) b. to treat low back pain — Low back pain is usually acute or mechanical in many patients and is typically managed with physical therapy, exercise, NSAIDs, spinal interventions, and ergonomic measures. DLPA is not a standard or commonly cited specific treatment for low back pain in either conventional guidelines or most complementary‑medicine recommendations; evidence for efficacy in acute mechanical low back pain is lacking. Therefore this is the exception.

Why the correct answer is correct: given DLPA’s biochemical roles, it is commonly used as an antidepressant, as an analgesic, and sometimes for chronic pain conditions such as arthritis, but it is not typically used specifically for low back pain.

Conclusion: The correct answer is b. to treat low back pain.

In alternative medicine DL-Phenylalanine is typically used for the following EXCEPT:Single choice

Similar Questions

A young man with a frequent history of herpes, and a lack of concentration was suggested to use the following:

In alternative medicine the following amino-acid is used for body building, immune system stimulation and for kidney stone prevention:

A young man with a predisposition for baldness, and a recent history of psoriasis was suggested to use the following:

Supplements to “increase male performance “ will always include the following:

The following is correct about use of amino-acids in alternative medicine

Which amino acid is unique for having a secondary nitrogen in its backbone and often introduces kinks in polypeptide chains?

Name the amino acid required for the manufacture of haemoglobin

Essential amino acids are those that______________

More Practical Tools for Students Powered by AI Study Helper

Homework AI Solver

Stylized AI Paper Writer

Plagiarism Checker Assistant

Citation AI Academic Writing Tool

In-Class Translation Assistant

AI Note Generator

AI Quiz Answers

Past Exam Questions from University Test Bank

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler