Blood from coronary circulation is returned to the right atrium of the heart via:
anastomoses
the circumflex branch
the anterior interventricular branch
coronary sinus
none of the choices are correct
coronary sinus
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Excessive secretion of growth hormone in adults can cause
A. pituitary dwarfism. B. acromegaly. C. Cushing syndrome. D. pituitary gigantism. E. Graves disease.
Eye movement is controlled by nerves that pass through which opening(s)?
A. The optic foramen B. The infraorbital foramen C. The incisive foramen D. The supraorbital notches E. The orbital fissures
Which organ is CORRECTLY matched with its organ system?
A.) Heart - nervous system B.) Pancreas - digestive system C.) Ligaments - muscular system D.) Ovary - respiratory system E.) Pharynx - lymphatic system
The partial pressure of carbon dioxide (PCO2 ) in the blood of pulmonary capillaries is approximately:
A) 35 mm Hg. B) 70 mm Hg. C) 50 mm Hg. D) 45 mm Hg.