Ch 17 Systemic Diseases 2 Flashcards
What is the alternate name for xanthelasma?
xanthelasma palpebrarum
What is the most common cutaneous xanthoma?
xanthelasma
Xanthelasma has been related to what two systemic conditions?
- increased risk of atherosclerosis
2. elevated serum lipids
Xanthelasma removal is considered cosmetic, do they recur?
Recurrence is not unusual, even after controlling serum lipids
VITAMINS! _______ (retinol) is essential for the maintenance of vision, and it also plays a role in growth and tissue differentiation
Vitamin A
VITAMINS! Vitamin A can be obtained directly from dietary sources, such as organ meats (particularly ______ ), or the body can synthesize it from _______, which is abundant in red and yellow vegetables.
liver…. β-carotene
VITAMINS! Vitamin B1 (______) acts as a coenzyme for several metabolic reactions and is thought to maintain the proper functioning of ________. It is found in many animal and vegetable food sources.
thiamin….neurons
VITAMINS! Vitamin B2 (______) is necessary for cellular oxidation reduction reactions. Foods that contain significant amounts of this include milk, green vegetables, lean meat, fish, legumes, and eggs.
riboflavin
VITAMINS! Vitamin B3 (_____) acts as a coenzyme for oxidationreduction reactions. Rich sources include food from animal sources, especially lean meat and liver, milk, eggs, whole grains, peanuts, yeast, and cereal bran or germ.
niacin
Vitamin B6 (\_\_\_\_\_\_\_) serves as a cofactor associated with enzymes that participate in amino acid synthesis. It is found in many animal and vegetable food sources.
pyridoxine
Vitamin C (\_\_\_\_\_\_\_) is necessary for the proper synthesis of collagen. This vitamin is present in a wide variety of vegetables and fruits, although it is particularly abundant in citrus fruits.
ascorbic acid
Vitamin ____, which is now considered to be a hormone, can be synthesized in adequate amounts within the epidermis if the skin is exposed to a moderate degree of sunlight.
D
Vitamin \_\_ (α-tocopherol) is a fat-soluble vitamin that is widely stored throughout the body. It probably functions as an antioxidant. Vegetable oils, meats, nuts, cereal grains, and fresh greens and vegetables are good sources
E
Vitamin ___ is a fat-soluble vitamin found in a wide
variety of green vegetables, as well as milk, butter, and liver; intestinal bacteria also produce it. This vitamin is necessary for the proper synthesis of various proteins, including the clotting factors ________
K….II, VII, IX, and X.
Name that vitamin deficiency: The early changes associated with a lack of this vitamin later in life include an inability of the eye to adapt to reduced light conditions (i.e., night blindness). With more severe, prolonged deficiency, dryness of the skin and conjunctiva develop, and the ocular changes may progress to ulceration of the cornea, leading to blindness.
Vitamin A (retinol)
Name that vitamin deficiency: beriberi, a problem that is relatively uncommon in the Western world except in alcoholics or other individuals who do not
receive a balanced diet
Thiamin (Vitamin B1)…I wish it was B2 since beriberi has 2 B’s
Name that vitamin deficiency: Wernicke encepholopathy
Thiamin B1
Name that vitamin deficiency: Oral alterations (glossitis, angular cheilitis, sore throat, swelling, erythmia)
Riboflavin B2