Which hormone inhibits bone growth?
A. Calcitonin
B. Estrogen and testosterone
C. Thyroid hormone
D. Parathyroid hormone
E. Growth hormone
D
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The ________ in the carotid sinuses and aortic arch detect increases in blood pressure.
Fill in the blank(s) with the appropriate word(s).
Once a structure is fully grown and mature, it will probably
A. down-regulate its receptors for growth hormone, as it no longer receives as much of the ligand. B. up-regulate its receptors for growth hormone, as it no longer needs to continue to grow at a fast rate. C. up-regulate its receptors for growth hormone, as it no longer receives as much of the ligand. D. down-regulate its receptors for growth hormone, as it no longer needs to continue to grow at a fast rate.
The anterior boundary of the "rib cage" is/are the ________.
A. costal cartilages B. thoracic vertebrae C. sternum D. skin E. ribs
Arrange the following events of coagulation in proper sequence.(1) Prothrombin ? thrombin(2) Fibrinogen ? fibrin(3) Activation of factor XII(4) Formation of prothrombinase
A. 1, 2, 3, 4 B. 2, 4, 3, 1 C. 4, 3, 1, 2 D. 3, 2, 4, 1 E. 3, 4, 1, 2