The hormones that come from the posterior pituitary
A. are synthesized there and are released upon signals from the anterior pituitary.
B. are synthesized in the hypothalamus and are released from the posterior pituitary when nerve signals arrive.
C. are synthesized in the anterior pituitary and are transported to and from the posterior pituitary by the primary and secondary plexus.
D. are synthesized in the posterior pituitary and released by the anterior pituitary by way of the hypophyseal portal system.
B
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When plasma CO2 increases, then
A) pH decreases. B) HCO3- decreases. C) CO increases. D) H+ decreases.
Hormones only affect target cells with:
A) Cell membrane or nuclear receptors specific for that hormone B) Cilia C) Neuroeffector junctions D) Large amounts of cytoplasm
Epimysium
A. surrounds individual muscles. B. separates muscle fibers. C. connects muscles to bone. D. is a type of muscle tissue. E. is a type of nerve tissue.
What is the main determinant of cardiac muscle fiber length?
a. heart rate b. systolic blood pressure c. diastolic blood pressure d. the degree of systolic filling e. the degree of diastolic filling