Match the following:
A) Parietal layer
B) Epicardium
C) Myocardium
D) Endocardium
1) The inner lining of the heart.
2) Heart muscle.
3) Serous layer covering the heart muscle.
4) The outermost layer of the serous pericardium.
1) D) Endocardium
2) C) Myocardium
3) B) Epicardium
4) A) Parietal layer
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Glucagon secretion is stimulated by
A. hypoglycemia and high plasma epinephrine concentration. B. hyperglycemia and a high concentration of epinephrine. C. hyperglycemia and high plasma incretin concentration. D. hypoglycemia and parasympathetic nerve firing. E. high plasma epinephrine and high plasma incretin concentrations.
Which of the following are considered to be bone-building cells?
a) fibroblasts b) osteoclasts c) osteocytes d) osteoblasts
The beginning of labor involves increased production of ________ from the fetal hypothalamus, resulting in secretion of ________ by the placenta.
A. prostaglandin; prolactin B. prolactin; GnRH C. oxytocin; prostaglandins D. prolactin; oxytocin E. GnRH; prolactin
Which of the following is NOT a method of CO2 transport in the blood?
A. As bicarbonate ions in the plasma B. Held in the depression of a red blood cell C. Dissolved in the plasma D. Combined with hemoglobin