Which of the following is not a cation?
A) Na+
B) Cl-
C) K+
D) Ca2+
E) Mg2+
Answer: B
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The vessel that receives most of the blood from organs inferior to the diaphragm is the
A) internal iliac vein. B) external iliac vein. C) superior vena cava. D) inferior vena cava. E) common iliac vein.
Amino acids and glucose are both absorbed by secondary active transport by the small intestinal epithelial cells
Indicate whether the statement is true or false
The spinal withdrawal reflex
a. is associated with responding to a painful stimulus. b. involves sensory and motor neurons on the same side of the spinal cord. c. connects with interneurons traveling to the brain. d. involves blocking a response by the antagonistic muscle group. e. all of these.
All of the following statements describe the dermis except which one?
A. The dermis has cutaneous glands, hair follicles, and nerve endings. B. The dermis is composed of loose/areolar connective tissue over dense irregular connective tissue. C. The dermis is the skin's most superficial layer. D. The dermis is the skin's deepest layer.