Signs and symptoms of right-sided heart failure include all of the following EXCEPT ________.
A. extended neck veins
B. pulmonary edema
C. edema or swelling of the hands and feet
D. an engorged spleen
Answer: B
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Positive feedback differs from negative feedback because ________
A) positive feedback is critical to health while negative feedback serves only to alert us to potential health threats B) positive feedback is generally beneficial while negative feedback is typically harmful C) positive feedback tends to enhance the triggering stimulus while negative feedback tends to return the body to a homeostatic balance or "ideal" level D) positive feedback provides moment-to-moment wellbeing while negative feedback causes a cascade effect
Triangular muscles, like the pectoralis major are also called ________ muscles.
A. convergent B. bipennate C. circular D. parallel
Which of the following would be classified as a lipid?
A. catalase-an enzyme B. alanine-an amino acid C. starch-a polysaccharide D. cholesterol-a steroid E. sucrose-a disaccharide
Each immunoglobulin (Ig) has ________ antigen-bonding site(s)
A) four B) two C) one D) three E) six