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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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
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
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
Male secondary sexual characteristics are produced by ________.
A. testosterone B. FSH C. LH D. GnRH