5. Which of the following statements regarding bone health are INCORRECT?I. Calcium forms crystals, hydroxyapatite, which gives strength andrigidity to maturing bones.II. Both calcium and phosphorous are needed to increase bone mass.III. Osteoporosis is a condition where bones become porous and fragile dueto loss of Vitamin K.IV. Osteoporosis occurs only in females.a) I and IIb) II and IIIc) III and IVd) II, III and IV

Which of the following statements about osteoporosis in women is most accurate?Group of answer choicesBecause of better nutrition in the last decade, osteoporosis should not be a concern for elderly women.Women who have osteoporosis should avoid weight-bearing exercise because of the risk of a fracture.Exercise and good nutrition, without medication or hormone therapy, offer little protection against osteoporosis in women.Women of all ages should be careful about taking sufficient vitamin D and calcium.

Which of the following statements is correct in relation to osteoporosis?W.  Obesity is protective against the development of osteoporosis.X.   It is a disease characterised by reduced bone mass, often due to increased oestrogen exposure.Y.   Increased weight-bearing activity will likely delay the development of osteoporosis.  Z.   Post-menopausal osteoporosis can occur in men.Question 36Select one:a.if only W, X and Y are correctb.if only W and Y are correctc.if only X and Z are correctd.if only Z is correcte.if all are correct

Which of the following statements regarding calcium homeostasis is true?Multiple ChoiceWhen blood calcium levels are too low, osteoclast activity increases.Parathyroid hormone inhibits osteoclast activity.Parathyroid hormone increases calcium loss from the kidney.Calcitonin elevates blood calcium levels.Increased osteoblast activity increases blood calcium levels.

Select all that applySelect three factors that affect bone development, growth, and repair.Multiple select question.physical exercisehormonesblood glucosenutritionplatelets

Which of the following would reduce the likelihood of developing post-menopausal osteoporosis?Question 16Select one:a.Having a low peak bone mass and performing no weight-bearing exercise.b.Having a late age onset of menstruation (menarche) and being underweight.c.Having high lifetime oestrogen exposure and normal vitamin D production.d.Having low oestrogen plasma concentrations and an early age of onset of menopause.e.Consuming a low calcium diet and being underweight.Clear my choice