Question

1.

Vitamin D deficiency contributes to rickets by which of the following mechanisms?

		Decreased PTH secretion
		Decreased calcium absorption from digestion
		Increased phosphate reabsorption
		Increased exposure to sunlight

2.

True or False: Patients with hypertension usually have less endothelial cell damage at places where the pressure is greatest.

True

False

3.

Which part of the heart is most susceptible to ischemia due to a thrombus in the left coronary artery?

		Apex
		AV node
		Pericardium
		Right atrium

Answer 1

1. Vitamin d is also named as Calciferol.it mainly helps in calcium absorption in the body.ricket is a vitamin d deficiency disease which is caused by malnutrition and decreased calcium phosphate absorption in the body.in adults this disease is named as osteomalacia.

2.endothelial dysfunction can occur in hypertension.balance alteration occurs in hypertension which causes further progression of cell damage.in many cardiovascular disease vascular damage happens can lead to end stage organ damage.

3.right and left atrium will be affected by thrombus formation in the left coronary artery.