Which of the following is true about calcium homeostasis?
A) Increased calcitonin levels will cause increased blood calcium levels.
B) High calcium levels cause bone resorption.
C) Parathyroid hormone causes an increase in osteoblast activity.
D) Parathyroid hormone is the single most important regulator of calcium levels in the blood.
D) Parathyroid hormone is the single most important regulator of calcium levels in the blood.
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Long-term studies show that the risk for heart attack and stroke doubles for every 20 mm increase in diastolic pressure and 10 mmHg in systolic pressure.
Answer the following statement true (T) or false (F)
The cerebrum is divided into right and left hemispheres by the
A) lateral fissure. B) central sulcus. C) longitudinal fissure. D) precentral gyrus. E) transverse fissure.
Myocardial infarction can lead to what type of shock?
A) Cardiogenic B) Obstructed venous return C) Neurogenic D) Hypovolemic E) Venous pooling (vascular)
If you surveyed a population of cells, in which phase would most cells likely be?
A. Interphase B. Metaphase C. Telophase D. Prophase