Viagra improves erectile function by ________.
A. increasing blood pressure in the penis
B. causing contractions of the penile muscles
C. expanding the erectile tissues in the penis
D. stimulating the muscles of the pelvic floor
Answer: C
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What behavior can a newborn perform that triggers care and sympathy from the parent?
A. eye contact B. first words C. crying D. smiling
As Alzheimer's disease progresses, which area will likely show changes last of all?
a. Physical abilities b. Memory c. Ability to drive a car d. Personality
The Piagetian term for a particular type of centration in which the child thinks about the world only from his personal perspective is
static reasoning. egocentrism. irreversibility. conservatism.
Needs can be described as
a. physiological and psychological. c. psychological and spiritual. b. physiological and biological. d. permanent states.