The highest density of lymph nodes can be found ________.
A. in the arms and legs
B. in the brain
C. at the locations where lymphatic collecting vessels converge
D. in the intestines
Answer: C. at the locations where lymphatic collecting vessels converge
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Indicate whether the statement is true or false
Which antibiotics contain the beta-lactam ring?
a. penicillins and aminoglycosides b. quinolones and tetracyclines c. macrolides and quinolones d. penicillins and cephalosporins
Which of the following events near the end of pregnancy might indicate parturition is near?
A. The fetal heart rate increases to greater than 160 beats per minute. B. The cervix gradually constricts. C. The uterus begins regular contractions. D. The cervix shrinks. E. The amniotic sac becomes edematous.
Which vessel fuses with the internal iliac vein to form the common iliac vein?
A) External iliac vein B) Great saphenous vein C) Brachial vein D) Popliteal vein