Changes in the color of skin are often an indication of a homeostatic imbalance. Which of the following changes would suggest that a patient is suffering from Addison's disease?
A) The skin takes on a bronze or metallic appearance.
B) Black-and-blue marks become evident for no apparent cause.
C) The skin appears to have an abnormal, yellowish tint.
D) It is impossible to suggest Addison's disease from an inspection of a person's skin.
A) The skin takes on a bronze or metallic appearance.
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The muscle that assists the pectoralis major in adducting and medially rotating the shoulder, but extends rather than flexes the joint, is the ________.
Fill in the blank(s) with the appropriate word(s).
Vasopressin is also known as ____________________, indicative of its effect on the kidneys
Fill in the blank(s) with correct word
Antigen-presenting cells usually display processed antigens to T cells in the ________.
A. lymph nodes B. blood plasma C. red bone marrow D. thymus E. liver
Which of the following statements about the Na+-K+ ATPase pump is false?
A. It transports Na+ out of cells and K+ into cells. B. It binds to, and hydrolyzes, ATP. C. It is constantly active in all cells. D. Its activity requires the expenditure of metabolic energy. E. It transports Na+ and K+ in a 1:1 ratio.