The brachial region is commonly known as the ________.
A. upper arm
B. buttock
C. navel
D. breastbone
E. groin
Answer: A
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Cardiac contraction induces blood flow in the arterial system, but it has no influence on blood flow in the veins
Indicate whether the statement is true or false
Which of these descriptions best matches the term T lymphocytes?
A) adhere to collagen beneath endothelium B) are involved in cell mediated immunity C) develop into plasma cells and produce antibodies in response to antigens D) kill bacteria using hydrogen peroxide E) often elevated in allergic individuals
Which vitamin deficiency can result in rickets in children and osteomalacia in adults?
a) A b) B c) C d) D e) E
John tells you that cholesterol is bad and should be eliminated from the diet. You explain to him that cholesterol is important. Which of the following hormones are synthesized from cholesterol?
A) testosterone B) thyroxine C) oxytocin D) growth hormone