Low sperm count is due to
a. endocrine problems
b. varicosity of the veins in the spermatic cord
c. infections
d. all of the above
d
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Provide the relative weighting of the stressfulness of different life changes.
The part of the brain that orients an organism in the environment is called the:
A) cerebellum. B) medulla. C) tectum. D) pons.
People who have been blind since birth:
a. smile when they are happy but do not frown when they are sad b. frown when they are sad but do not smile when they are happy c. show very few distinguishable facial expressions d. show the same facial expressions as sighted people
Research on strategies for word learning indicates that young children
A) learn to speak grammatically because these types of statements will effectively communicate their desires and needs. B) use different syntactic structures to associate vocabulary words with objects. C) develop specialized linguistic processing skills that enable them to analyze speech and detect semantic relationships. D) figure out the meanings of words by contrasting them with words they already know and assigning the new label to a gap in their vocabulary.