In the photomicrograph of a portion of thick skin shown below, which layer is only seen in thick skin?
a) A
b) B
c) C
d) D
e) E
Answer: a
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Preganglionic neurons send their axons to synapse on ________.
Fill in the blank(s) with the appropriate word(s).
Increasing blood concentrations of carbon dioxide and hydrogen ions have similar effects
upon the respiratory areas due to A) both increasing pH and inhibiting the respiratory areas. B) their similarity in chemical structure, inhibiting the respiratory rate. C) an increase in carbon dioxide, increasing hydrogen ions. D) both chemically bonding, decreasing the respiratory rate.
Which statement is incorrect?
a. Plasma proteins are responsible for the blood colloid osmotic pressure. b. Plasma proteins provide a source of readily available amino acids to be utilized by the tissue cells for the synthesis of new tissue proteins. c. Antibodies are gamma globulins important in the body's defense mechanism. d. Plasma proteins play a role in buffering changes in pH in the body fluids. e. The presence of plasma proteins in the blood is the primary factor responsible for preventing excessive loss of plasma from the capillaries into the interstitial fluid.
The spinal cord allows for two-way communication between the brain and body.
Answer the following statement true (T) or false (F)