Question

1. What is the order (from superior to inferior) of structures lying in the intercostal space?

A. nerve, artery, vein

B. vein, artery, nerve

c. artery, vein, nerve

D. nerve, vein, artery

E. vein, nerve, artery

2. To what structure are the chordae tendinease attaching

a. tricuspid valve

b. bicuspid valve

c. aortic valve

d. pulmonary valve

3.Starting at the heart, follow the flow of blood on the RIGHT side of body to ulnar artery.

a. subclavian, carotid, bronchial, axillary, ulnar

b. subclavian, axillary, brachial, ulnar

c. brachiocephalic trunk, carotid, subclavian, bronchial, ulnar

d. brachiocephalic trunk, axillary, subclavian, bronchial, ulnar

e. brachiocephalic trunk, subclavian, axillary, bronchial, ulnar

Answer 1

1. B) Vein, artery, Nerve

explanation: Intercostal vein lies superiorly while Intercostal Nerve lies inferiorly with intercostal artery lying in the middle of the two in the intercostal space.

2. a. tricuspid valve

b. bicuspid valve

Explanation: These are the fibrous cords of connective tissue that connect the papillary muscles to the tricuspid valve and the mitral/bicuspid valve in the heart.

3. b. subclavian, axillary, brachial, ulnar

Explanation: It should be:

- Brachiocephalic

- Subclavian

- Axillary

- Brachial

- Ulnar

Note: If bronchial in option e is mistakenly written for brachial then option e would be right. But if it is bronchial then correct answer will be option b