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Exam (elaborations)

KINE 4020 Final Exam Questions with Correct Answers

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  • Kinesiology
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  • Kinesiology

KINE 4020 Final Exam Questions with Correct Answers What are the active forms of vitamin A? (3) - Correct Answer retinol, retinal, retinoic acid Primary functions of Vitamin A? (5) - Correct Answer - synthesis of rhodopsin - sperm production - contributes to bone development - assists in cel...

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  • August 14, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Kinesiology
  • Kinesiology
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KINE 4020 Final Exam Questions with Correct
Answers
What are the active forms of vitamin A? (3) - Correct Answer retinol, retinal, retinoic acid



Primary functions of Vitamin A? (5) - Correct Answer - synthesis of rhodopsin

- sperm production

- contributes to bone development

- assists in cell differentiation

- maintenance of healthy immune function



What is Vitamin A's role in vision? - Correct Answer deficiency of Vit. A = night blindness

opsin & cis-retinal constantly separate



What are the 2 configurations of retinal and what configuration is correct after light hits the eye? -
Correct Answer Cis-config

Trans-config (after light hits eye)



What is a sign you're deficient in Vitamin A? - Correct Answer Xeropthalmia (dry eye)



What are 2 main forms of Vitamin D? - Correct Answer D2 (ergocalciferol) and D3 (cholecalciferol)



Which lipoprotein is Vitamin D primarily incorporated in? - Correct Answer Chylomicrons



Primary functions of Vitamin D? (3) - Correct Answer Regulates calcium level in the blood

Maintains bone health

Assists cell differentiation



Where can you get D2 and D3 from respectively? - Correct Answer Found in plant foods and made in
skin w/exposure to UVB light from sun



How is D3 activated? - Correct Answer Needs to go through 2 hydroxylation's

1) in liver adds on C-25

, 2) in kidney adds on C-1



What is the active form of D3? - Correct Answer calcitriol



Symptoms of deficiency in Vitamin D? - Correct Answer abnormal bone growth and repair

- rickets in children (bendy bones)

- osteomalacia in adults (soft bone)



What are the 2 forms of Vitamin E? - Correct Answer 1. tocopherol

2. tocotrienol (unsaturated form)



Primary functions of Vitamin E? (3) - Correct Answer acts as an antioxidant

enhances immune function

required for nerve cell development



What do tocopherols quench? - Correct Answer Tocopherols are good quenchers of free radicals;
serve as antioxidants by stabilizing polyunsaturated lipids has capacity to donate electron



What happens when you ingest too much Vitamin E? - Correct Answer Will donate electron to
molecule that doesn't need it



What are some signs of toxicity of Vitamin E? - Correct Answer Hemolytic anemia, nerve impairment,
muscle, and immune function



What are some signs of deficiency of Vitamin E? - Correct Answer Rare, normally linked to
malabsorption due to pancreatic lipase deficiency, hepatobiliary diseases, and genetic defects.

- MSK pain, weakness, hemolytic anemia



What are the active forms of Vitamin K? (3) - Correct Answer menadione, menaquinone,
phylloquinone



Which active forms of Vitamin K are naturally occurring and synthetic respectively? - Correct Answer
Naturally occurring - K1, MK7

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