The parathyroid glands produce a hormone that
A) stimulates the formation of white blood cells.
B) increases the level of calcium ions in the blood.
C) increases the level of sodium ions in the blood.
D) increases the level of potassium ions in the blood.
E) increases the level of glucose in the blood.
Answer: B
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Which of the labeled structures contains cerebral spinal fluid?
a) A b) D c) E d) F e) All of these choices
Which transport process is the main mechanism for the movement of most macromolecules by body cells?
A) secondary active transport B) receptor-mediated endocytosis C) pinocytosis D) phagocytosis
The transverse arch is a
A. soft tissue feature of the lower limb. B. bony feature of the lower limb. C. bony feature of the torso. D. soft tissue feature of the torso. E. soft tissue feature of the upper limb.
Which condition is a degenerative disorder of the brain characterized by tremors and slow, uncoordinated movements?
A. Alzheimer's disease B. Cerebrovascular accident C. Huntington's disease D. Parkinson's disease