AP EAMCET Medical 23 Apr 2019 Shift 2 Paper

Study the following statements
I) In the wall of veins of man elastic laminae are present on either side of tunica media
II) Angina pectoris is due to insufficient supply of blood to heart muscles
III) Juxta Glomerular cells of kidney secrete the enzyme rennin
IV) Cellophane membrane of dialyser is impermeable to micromolecules like creatinine
Identify the incorrect statements among the above