Which of the following structures would be affected the most by a deficiency in collagen?
A. The epidermis of the skin
B. The bones
C. The liver and spleen
D. The lining of the small intestine
Answer: B
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The vessel(s) associated with the left atrium is/are the
A. pulmonary trunk. B. SVC, IVC. C. aorta. D. pulmonary veins.
Why is venous blood more acidic than arterial blood?
What will be an ideal response?
Identify the hormone that stimulates the release of calcium ions from bone matrix. Explain its mechanism of action
A) parathyroid hormone; increases osteoblast break down of bone matrix B) parathyroid hormone; increases osteoclast break down of bone matrix C) calcitonin; increases osteoblast break down of bone matrix D) calcitonin; increases osteoclast break down of bone matrix E) cholecalciferol; increases osteoblast break down of bone matrix
Which of the following structures is closest to the spinal cord?
A. Posterior root ganglion B. Posterior rootlets C. Posterior ramus D. Posterior root