The expanded chambers that open to the nipple of the breast are the __________.
a. lactiferous ducts
b. secretory alveoli
c. mammary glands
d. lactiferous sinuses
Ans: d. lactiferous sinuses
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The type of burn that injures the hypodermis, deeper tissues, and organs is a
A) first-degree burn. B) second-degree burn. C) third-degree burn. D) partial-thickness burn. E) semi-partial-thickness burn.
The thumb and big toe are similar in that
A. both are composed of sesamoid bones. B. both have two rather than three phalanges. C. both contain carpal bones. D. each have three metatarsals. E. both have three rather than two phalanges.
Which of the following is NOT a bone marking for articulation?
A. Process B. Condyle C. Suture D. Meatus
Answer the following statements true (T) or false (F)
1. Much of the interstitial fluid that is pushed out of the blood vessels returns to the blood vessels. 2. Both the lymph capillaries and blood capillaries have a layer of endothelium. 3. Both the lymph capillaries and blood capillaries have a layer of tightly fitting squamous epithelium. 4. Unlike blood vessels, lymph vessels have one-way valves to ensure the lymph moves in only one direction. 5. Lymph from about one fourth of the body drains into the thoracic duct.