bio exam 3 study guide

tryptophan can be transformed into Thiamin

false

Scurvy is casued by a deficiency in vitamin C

true

hematocrit (% of red blood cells) is a reliable indictor for iron storage

false

vitamin A is a fat soluble vitamin

true

vitamin K is synthesied by gut bacteria

true

in total, the body needs 20 amino acids to synthesize proteins

true

the hormone regulating iron in the body is called hepcidin

hepcidin

which vitamin is part of the coenzyme A

B5

vitamin A deficiency is the leading cause of blindness worldwide

true

Wilson's disease (jaundice, seizure, muscle weakness) is caused by an accumulation of ____ in the brain, liver and brain

copper

the 4 vitamins that needs to be added to refined grains are niacin, thiamin, b12, and folate

riboflavin

phytic acid or oxalate in food can cause zinc deficiency

true

thiamin deficiency

beriberi

iodine deficiency

congenital hypothyrodism

glutathione peroxidase

selenium

chromium

impaired blood glucose control

niacin

pellagra

intrinsic factor

pernicious anemia

vitamin B6

microcytic anemia

gastrin

hunger

amylase

carbohydrate

the second most abundant mineral in bones is phosphorus

true

you are observing red blood cells under a microscope, they have a normal shape because the milieu is

isotonic

in enterocytes, iron is stored attached to

ferritin

in the blood, iron is transported attached to

transferrin

plasmin converts prothrombin into thrombin

false

which trace mineral is playing a role in detoxification

selenium

the intestine absorb better heme iron that free iron

true

flurosis is caused by a deficicncy in fluoride

false

which of the following is the predominant cation of the extracellular fluid

Na+

calcitriol activates

osteoclasts

deficiency of retinal causes

night blindness

free radicals cause damage to molecules by stealing

electron

respiration is a route for water loss

true

which of the following releases of renin

the kidneys

osteomalacia refers to low bone mineralization in adults

true

which organ secretes hepcidin

liver

blood potassium level is regulated by aldosterone

true

Last question was

______ instead of vision

cardio disease