Which of these is a symptom of vitamin A deficiency?
A) anemia
B) severe combined immunodeficiency disease (SCID)
C) diabetes
D) blindness
E) blood doping
D) blindness
You might also like to view...
Which high energy light wave length can penetrate sea water the deepest?
a. Blue b. Green c. Violet d. Red e. a, b, and c above
When ____ reaches the stomach, it is inactivated by the low pH
a. pepsin b. pepsinogen c. trypsin d. amylase e. bile
Which of the following series correctly represents the hierarchical organization within ecology?
a. ecosystem ? population ? community ? biosphere b. biosphere ? community ? population ? ecosystem c. community ? population ? ecosystem ? biosphere d. population ? community ? ecosystem ? biosphere e. population ? ecosystem ? community ? biosphere
Pheromones affect only the animal that produces them
Indicate whether the statement is true or false