Which of these is a function of intrinsic factor?
A. It is secreted by salivary glands, and is necessary for digestion of vitamin B12.
B. It is secreted by parietal cells in the gastric mucosa, and its main function is causing insulin release.
C. It is secreted in the stomach, and its main function is activating pepsinogen into pepsin.
D. It is secreted by the small intestine mucosa, and its main function is initiating the intrinsic electrical activity of the pacemaker cells in the stomach.
E. It is secreted in the stomach, and a deficiency of it would cause anemia.
E
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Ruffini corpuscles are associated with __________ and detect __________
A) The skin surface; light touch and pressure B) Hair follicles; changes in movement on the skin surface C) Connective tissue of skin; skin stretch D) Deep subcutaneous tissue, muscle, joints; deep pressure and touch Fill in the blank with the correct answer.
The autonomic and somatic nervous systems are part of the efferent nervous system
Indicate whether the statement is true or false
Through renal autoregulation, an increase in blood pressure will cause the afferent arteriole to ________ and therefore the GFR will ________.
A. dilate; not change B. dilate; decrease C. constrict; not change D. constrict; decrease
An osteoblast becomes surrounded by its own matrix and entrapped in a lacuna creating a mature bone cell called a(n) ____
What will be an ideal response?