Urine forms in a specific sequence of three steps called ________ .
a. reabsorption, secretion, and filtration
b. filtration, secretion, and reabsorption
c. secretion, filtration, and reabsorption
d. reabsorption, filtration, and secretion
e. filtration, reabsorption, and secretion
Answer: e. filtration, reabsorption, and secretion
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Which of the following characterizes Duchenne muscular dystrophy?
A. Muscles atrophy due to a loss of fat and scar tissue. B. There is a defective gene for the protein called duchennase. C. More females are affected than males. D. Muscles atrophy due to lack of response to acetylcholine. E. There is a defective gene for the protein called dystrophin.
Presbyopia is correctable using eyeglasses that converge light rays.
Answer the following statement true (T) or false (F)
Which of the following characterizes the developmental age of an eight-month-old infant?
A. Rolls from its back to its side B. Pulls itself up to a standing position C. Smiles in response to people's faces D. Sits without support E. None of the choices are correct.
When is the scrotum formed in the male?
A. 6 weeks B. 9 weeks C. 14 weeks D. 20 weeks