Question

1. Which of the following states true regarding bone structure and osteoporosis except?

a.) Osteoporosis occurs in both cortical and trabecular bones.

b.) Cortical bones are dense and compacted, which compose about 80% of total bone surface.

c.) Bone marrow are filled in the space of cancellous bones.

2. Children and adolescents can be tested their cardiorespiratory fitness level via.. (click all that apply)

a.) Graded exercise (VO2max) testing

b.) Sit and reach test

c.) Curl up test

Answer 1

Question 1

Answer: (b) Cortical bones are dense and compacted, which compose about 80% of total bone surface.

Rationale: osteoporosis is the occurs in bone mostly in elderly people. Will have reduced density or porous bone, mainly in the inside of the bone trabecular region and also cortical region of bone. So Option A is the correct statement.

And cortical bone protects the bone and it is the one which provides 80% of the mass to the bone, surface of the bone will be given by the cancellous bone. So Option B is incorrect. And option c is correct.

Question 2

Answer: (a) Graded exercise (vo2max) testing

Rationale: The test will detect the consumption of maximum oxygen to the body.