151. Menstrual cycle is divided into 3 phases: -
A. Follicular (pre-ovulatory or menstrual) phase.
B. Ovulatory (proliferative) phase.
C. Luteal (post-ovulatory or secretory) phase.
152. Lyme disease is an acute inflammatory disease characterised by a rash with joint swelling and fever, caused by bacteria carried by the bite of a deer tick.
153. Cystic fibrosis is the most common congenital disease; the child's lungs, intestines and pancreas become loaded with thick mucus, caused by a defect in a single gene; no cure is known.
154. Vitamin A (carotene) is found in carrots, milk, fruit, butter, fish, liver oil, eggs, and cheese, and deficiency symptoms are night blindness, xerophthalmia, and dry and rough skin.
155. Vitamin B1 (thiamin) is found in rice, wheat, nuts and germinated seed, and deficiency symptoms are beriberi and polyneuritis.
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