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Concept explainers
(a)
Interpretation: The validation of the pairing of retinal and Vitamin E has to be stated.
Concept introduction: Vitamin A in eyes is present as retinal, which combines with the opsin protein to aid in the vision. Vitamin E is obtained from vegetable oil, seeds and nuts. Vitamin E functions as an anti-oxidant in the human body.
(b)
Interpretation: The validation of the pairing of calciferol and vitamin D has to be stated.
Concept introduction: Vitamin D exists in several forms, vitamin
(c)
Interpretation: The validation of the pairing of tocopherol and vitamin K has to be stated.
Concept introduction: Vitamin K exists in different forms but all the forms have methylated napthoquinone structure. Some of the forms of Vitamin K are vitamin
(d)
Interpretation: The validation of the pairing of napthoquinone and vitamin A has to be stated.
Concept introduction: Vitamin A is a fat soluble vitamin. Vitamin A is found in eyes. It participates in the development of sperm. Vitamin K has napthoquinone structure to which the long side chain of carbon atoms is attached.
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Chapter 21 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Define the following terms:a. triacylglycerolb. neutral fatc. partial hydrogenationd. autoimmune diseasee. soaparrow_forwardSalivary glands are important in taste because a. they provide the fluid in which food molecules dissolve b. the taste receptors are located in salivary glands. c. salivary glands are part of the brain d. they produce enzymes to break down the foodarrow_forwardWhich of the following protein is present in nails and hair or human beings?A. Collagen B. Keratin C. Elastin D. None of the abovearrow_forward
- Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called: A. flavoxanthin B. melanin C. carotene D. Xanthophyllarrow_forwardVision is a complex process. The human eye has many structures that contribute to vision. Which of the following statements describing the structures involved in the process of vision is NOT correct? a. Ciliary muscles change the shape of the lens to focus both near and distant objects. b. The cornea and lens bend light to focus the image on the retina. c. The iris relaxes and contracts to protect the retina from excess light. d. Lenses move forward or backward to control the amount of light striking the retina.arrow_forwardWhich of the following condition is NOT associated with riboflavin deficiency? * (Please choose one correct answer only) A. Blood shot eyes B. dermatitis C. cheilosis D. Wernicke-korsakoff syndromearrow_forward
- It is obtained from the milky secretion of various plants such as the tree Hevea brasiliensis. Select one: a. PAI b. Xenoy c. natural rubber d. collagenarrow_forwardNight blindness is cause by lack of which vitamin? A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin Darrow_forwardyou are a student EN completing your final placement in an acute care facility. One of the patients in your workload is 62-year old Mel Ferrer. Mel was diagnosed with Type 1 diabetes when he was 7-years old. He has been hospitalised because he is finding it difficult to control his glucose levels after a recent illness. Mel is also complaining that his eyesight is deteriorating. The doctors suspect that this is retinopathy.(a) Explain to Mel, what is retinopathy? (b) Describe the appropriate eye care for a person with diabetes and identify one(1) specialist service that Mel could be referred to.arrow_forward
- Which of the following choices is NOT correct? A. There are three types of cartilages B. Lipids are best displayed with a Perl's Prussian blue stain C. Reticular fibers are argyrophilic when stained by silver impregnation D. A lacuna is a small space or depression where the chondrocyte or osteocyte rest E. Resorcin fuchsin and orcein stain is used to demonstrate the elastic fibers in elastic cartilagearrow_forward23) Creatine Kinase: a. Is the enzyme that can catalyze the reaction in which a phosphate group from creatine phosphate is added to ADP to make ATP b. Is the enzyme that can catalyze the reaction in which a phosphate group is added to creatine in order to make creatine phosphate c. Both of the above d. None of the abovearrow_forwardWhich of the following is FALSE concerning calcium? A. 99% of calcium in our body is found in the blood and soft tissue B. Calcium is critical to trigger muscle contraction C. Calcium is a major mineral D. Calcium assist in regulating acid-base balancearrow_forward
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