Category: Uncategorized

Which of the following is part of the innate immune system?
A)T-cells
B)B-cells
C)plasma cells
D)natural killer cells

Which of the following nutrients is a coenzyme for glutathione peroxidase?
A)selenium
B)copper
C)ascorbic acid
D)zinc

Mr. Lopez has a family history of cardiovascular disease and elevated homocysteine levels. A researcher asks Mr. Lopez if he is interested in participating in a trial to look at the effects of a vitamin B12 supplement on cardiovascular events. Why would a researcher hypothesize that a vitamin B12 supplement will reduce Mr Lopez’s cardiovascular risk?
A)Vitamin B12 will decrease his HDL cholesterol.
B)Vitamin B12 is required for the metabolism of methionine.
C)Vitamin B12 will constrict the blood vessels.
D)Vitamin B12 is an electrolyte that regulates heartbeat.

Joseph is a three-year-old boy who is undernourished but otherwise healthy. His daily iron intakes average 4 mg. Which of the following is he at risk for?
A)microcytic anemia
B)macrocytic anemia
C)pernicious anemia
D)sickle cell anemia

If a pure inductance is connected to an ac source, the current lags the applied voltage by ____________________ electrical degrees.

Breast feeding can provide the infant with protection against illnesses because:
A)breast milk contains antibodies.
B)breast milk is more nutritionally balanced.
C)breast milk has significantly higher amounts of vitamin A.
D)breast milk contains antigens.

Selection is more closely related to job analysis than it is to other HR functions.