The statement “animals that live in the desert will produce concentrated urine” is ____
a. an opinion
b. a hypothesis
c. data
d. a variable
e. a control group
ANSWER: b
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Expectorated sputum is:
a. acceptable. b. not acceptable.
The presence of antibodies in a newborn baby is most often due to
A. immunity developed after birth. B. natural immunity developed in the baby before birth. C. antibodies are inherited from the father. D. exposure of the baby to antigens after birth. E. antibodies that crossed the placenta from the mother's blood.
The fungal phyla are distinguished primarily by
A. their mode of sexual reproduction. B. their size. C. their color. D. whether they make spores or not. E. their habitat.
Sometimes premature babies suffer from respiratory distress syndrome. What substance would you administer in a breathing tube to the infant?
A) antibiotics B) surfactant C) anti-inflammatory drugs D) hydrocortisone