"Lactational amenorrhea" is a physiological phenomenon that parallels a common cause of infertility due to elevated levels of:
A. prolactin
B. oxytocin
C. progesterone
D. inhibin
E. dopamine
ANS: A
Anatomy & Physiology
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When the left ventricle contracts, the __________ valve closes and the __________ valve is pushed open.
A. mitral; pulmonary B. right AV; pulmonary C. right AV; aortic D. mitral; aortic E. aortic; pulmonary
Anatomy & Physiology
Which of the following is/are not part of the axial skeleton?
A. The vertebrae B. The ribs C. The sternum D. The clavicles E. The parietal bone
Anatomy & Physiology
The buccal, lingual, and labial salivary glands are ________ salivary glands.
A. intrinsic B. extrinsic
Anatomy & Physiology
Which vertebral bone does NOT have a body?
A) the atlas B) the last lumbar C) the axis D) the last cervical
Anatomy & Physiology