Which germ layer are the tonsils derived from?
A. ectoderm
B. mesoderm
C. endoderm
C
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Describe the effects of the concentration and electrical gradients on the movement of Na+ and K+ ions through the membrane
What will be an ideal response?
These receptors detect specific molecules in our external and internal environments.
A. Thermoreceptors B. Chemoreceptors C. Photoreceptors D. Mechanoreceptors E. Baroreceptors
Type I diabetes mellitus is caused by ________.
A. a severe hypersecretion of ADH B. a severe hyposecretion of ADH C. the hyposecretion of insulin due to destruction of the beta cells D. a reduction of the insulin receptors on target cells E. a reduction of ADH receptors on the target cells
Spermatogenesis is directly controlled by
a. LH b. FSH c. prostaglandins d. both a and c e. both b and c