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Which of the following will impair iron
absorption?
a. low dietary intake
of iron
b. chronic blood
loss
c. low amounts of
stomach acid
d. iron-deficiency anemia - ANSWER-c. low amounts of
stomach acid
A majority of zinc is carried by ________ in
the blood.
a.
lipoproteins
b.
albumin
c.
chylomicron
,d. transferrin - ANSWER-b.
albumin
The majority of the body's iron is
found in: a. hemoglobin
b. ferritin
c. ferroportin
d. transferrin - ANSWER-a. hemoglobin
Which of the following is a characteristic of iron transport?
a. hemochromatosis results from an inability to absorb and
transport iron
b. transferrin in the blood carries iron to the bone marrow
c. ferritin functions by transporting iron from the spleen to the
bone marrow
d. albumin is the major iron transport protein in the blood
e. chelation is used to increase the bioavailability of iron -
ANSWER-b. transferrin in the blood carries iron to the bone
marrow
Which of the following would most likely result from an
excessive intake of
iodine?
a. pineal
stimulation
b. skin
rashes
,c. thyroid gland
enlargement
d.
diarrhea
e. dehydration - ANSWER-c. thyroid gland
enlargement
Which of the following meats would be the best
source of copper? a. shellfish
b. beefsteak
c. chicken
d. hamburger
e. lamb - ANSWER-a. shellfish
Which of the following is a behavioral symptom of
iron deficiency? a. moderate iron deficiency promotes
constipation
b. erythrocyte iron levels fall before mental alertness is affected
c. iron deficiency increases risk for infections that promote
dysfunctional behavior
d. severe iron deficiency is associated with paradoxical
hyperactivity
e. impaired energy metabolism and neurotransmitter synthesis -
ANSWER-e.
impaired energy metabolism and neurotransmitter synthesis
Which of the following is a feature of iodide utilization?
a. it is an integral part of pituitary thyroid-stimulating hormone
, b. ingestion of plants of the cabbage family stimulates iodide
uptake
c. the amount in foods is unrelated to the amount of iodine
present in the soil
d. a deficiency or a toxicity leads to enlargement of the thyroid
gland
e. use of iodized salt has resulted in significant increases in
iodine toxicity -
ANSWER-d. a deficiency or a toxicity leads to enlargement of
the thyroid gland
Which of the following is a characteristic of the trace minerals?
a. deficiencies are more difficult to recognize in children than in
adults
b. the amount of all trace minerals in the average person totals
approximately
100grams
c. deficiencies of trace minerals are virtually unknown, although
toxicities are well documented
d. the human body only needs a small amount for optimal
functioning
e. a deficiency sign common to many trace minerals is
dermatitis - ANSWER-d.
the human body only needs a small amount for optimal
functioning
Which of the following is a characteristic of iron utilization?
a. iron from nonheme food sources is absorbed better than that
from heme food sources