What vitamin deficiency causes rickets in children?
A) vitamin A B) vitamin K C) vitamin D D) vitamin C
Answer: C
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Renin converts ________.
A. angiotensin I to angiotensin II B. angiotensinogen to angiotensin II C. angiotensinogen to angiotensin I D. angiotensin II to angiotensinogen
Of the following factors affecting blood pressure, which is (are) the most easily regulated?
A. Vessel length B. Vessel diameter C. Blood viscosity D. Vessel diameter and cardiac output
The lymphatic system is necessary for the absorption of glucose and amino acids from the small intestine.
Answer the following statement true (T) or false (F)
Which hormone promotes a small number of primary follicles within the ovary to grow and mature each month?
A) luteinizing hormone (LH) B) estrogen C) follicle-stimulating hormone (FSH) D) testosterone