In addition to a genetic component, multifactorial disorders often have an:
A) environmental component
B) karyotypic component
C) viral component
D) none of the above
Ans: A) environmental component
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"Formed elements" are
A. serum and plasma. B. sodium and potassium. C. blood and lymph. D. blood cells and platelets.
Antagonistic control of efferent output is typical of the ________ division.
A) autonomic B) somatic and autonomic C) sensory D) somatic E) somatic and sensory
Which of the following is not accomplished by the cerebral cortex?
a. voluntary initiation of movement b. involuntary control of breathing, circulation, and digestion c. final sensory perception d. language ability e. personality traits
Which of the following best describes a genetic male (XY) who lacks functional androgen receptors (androgen insensitivity syndrome)?
A. He will have normal male external genitalia. B. He will have ovaries and female-appearing external genitalia but male secondary sex characteristics. C. He will have female-appearing external genitalia and ovaries, but internal structures derived from the Wolffian ducts. D. He will have male external genitalia but will have female-appearing internal structures derived from the Müllerian ducts. E. He will have undescended testes, but female external genitalia and secondary sex characteristics.