Synthesized by the combined action of the skin, kidneys, and liver, ________ is important to the deposition of bone.
A) estrogen
B) calcitonin
C) growth hormone
D) calcitriol
E) testosterone
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Question 2) The adrenal medulla is a modified sympathetic ganglion.
Indicate whether the statement is true or false
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Question 3) Which of the following major events of prenatal development happens first?
A) Bone calcification begins
B) The central nervous system begins to form
C) Meconium accumulates in the intestines
D) The eyes are fully open
E) The body is covered with lanugo
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Question 4) The ________ are the superior chambers of the heart and the ________ are the inferior chambers of the heart.
A) left ventricles; right ventricles
B) atria; ventricles
C) visceral percardia; parietal pericardia
D) ventricles; atria
E) left atria; right atria
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Question 5) Which of the following is not a function of the Na+-K+ pump?
A) Heat production
B) Regulation of cell volume
C) Maintenance of membrane potential
D) Secondary active transport
E) Transport of Na+ into the cell and K+ out of the cell
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Question 6) White blood cells engulf bacteria by means of ________.
A) pinocytosis
B) cotransport
C) phagocytosis
D) receptor-mediated endocytosis
E) active transport
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Question 7) Which organ system does not excrete waste?
A) The integumentary system
B) The cardiovascular system
C) The respiratory system
D) The urinary system
E) The digestive system
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Question 8) Pericardial fluid is found between the ________ and the ________.
A) visceral pericardium; myocardium
B) epicardium; myocardium
C) parietal; visceral membranes
D) visceral pericardium; epicardium
E) myocardium; endocardium
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Question 9) In fetal circulation, blood bypasses the lungs by flowing through the ________.
A) ligamentum venosum and ligamentum arteriosum
B) fossa ovalis and umbilical arteries and vein
C) foramen ovale and ductus arteriosus
D) ductus venosus and ductus arteriosus
E) umbilical vein and umbilical arteries
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Question 10) Which of the following occurs during the absorptive state?
A) Fatty acids are oxidized for fuel
B) Glucagon levels increase
C) Gluconeogenesis is suppressed
D) Blood glucose falls
E) Lipolysis is occurring
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