The umbilical arteries branch from the
A) thoracic aorta.
B) abdominal aorta.
C) celiac trunk.
D) common iliac arteries.
E) internal iliac arteries.
Answer: E
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Milk sugar is digested to
a. glucose and fructose b. glucose and galactose c. sucrose and glucose d. maltose e. cellulose
The ABO blood group is determined by ________ in the plasma membrane of RBCs.
A. glycolipids B. agglutinins C. antibodies D. glycoproteins E. antigen-antibody complexes
Which of the following is something antibodies do not do?
A) Link antigen molecules together B) Bind antigen molecules of two or more enemy cells and stick them together C) Bind to enemy cells, thus changing their shape so their complement-binding sites are exposed D) Neutralize antigens by binding to regions of an antigen that can be pathogenic E) Differentiate into memory antibodies, which upon reexposure to the same pathogen would mount a quicker attack
Which of the following is a symptom of acromegaly?
A. Organ enlargement B. Collection of fat on the lower neck and shoulders C. Hair loss D. Goiter