The function of the chordae tendinae is to:
anchor the aortic valve flaps and prevent backflow into the ventricles
anchor the semilunar valve flaps and prevent backward flow of blood into the ventricles
anchor the bicuspid valve flaps and prevent backflow of blood into the ventricle
anchor the AV valve flaps and prevent backflow of blood into the atria
none of the choices are correct
anchor the AV valve flaps and prevent backflow of blood into the atria
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Damage to the renal medulla would interfere first with the functioning of the
A) glomerulus. B) collecting ducts. C) DCT. D) PCT.
Animals living in intertidal zones are
a. strict osmoconformers. b. hypo-ionic osmoconformers. c. euryhaline. d. stenohaline. e. not capable of changing the composition of ECF when the osmotic pressure of sea water changes.
A neonatal baby was born with diabetes mellitus due to an inadequate production of insulin. Cells in the endocrine portion of the pancreas that secrete insulin, glucagon, and somatostatin are derived from which of the following?
(A) Ectoderm (B) Mesoderm (C) Endoderm (D) Proctodeum (E) Neural crest cells
This bone bears the medial malleolus
A) radius B) fibula C) tibia D) ulna