Looking at a slide of thin skin under the microscope, you note that the stratum basale is the ________ layer of the epidermis in from the surface.
A. first
B. third
C. second
D. fifth
E. fourth
Answer: E
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Which hormone plays a role in the development and activity of lymphocytes?
A. Thymosin B. Melatonin C. Thyroid stimulating hormone D. Erythropoietin E. Adrenocorticotropin hormone
Male secondary sexual characteristics are produced by ________.
A. testosterone B. FSH C. LH D. GnRH
Identify the vessels that lymph will pass through as it moves from the hindlimbs to the cardiovascular system: 1. Juncture of the external jugular/left subclavian vein 2. Thoracic duct 3. Cisterna chyli 4. Right lymphatic duct
A) 3, 2, 1 B) 1, 2, 3 C) 4, 1 D) 3, 4, 1 E) 2, 4, 1
Aldosterone secretion from the adrenal cortex is stimulated by a(n) ________ in blood Na+ or a(n) ________ in blood K+.
A. decrease; increase B. increase; decrease C. increase; increase D. decrease; decrease