Leslie has a severe sore throat and the lymph nodes in her neck are swollen. This would indicate that
A) the focus of the infection is the lymph nodes.
B) lymph is not flowing consistently through these lymph nodes.
C) the lymph nodes contain an increased number of lymphocytes.
D) the lymph nodes are actively producing phagocytes.
E) the lymph nodes have increased their secretion of thymosin.
C
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The toxin used in Botox to treat wrinkles is ________.
A. Botulinum toxin B. Clostridium tetani C. staph D. acetylcholine
The hip bone is composed of three separate bones. The first to appear on a series of axial CT images arranged in descending order is the ____________________.
Fill in the blank(s) with the appropriate word(s).
All of the following may be associated with a "heart block" except:
A) section of the superior part of the thoracic sympathetic trunk. B) coronary artery disease. C) loss of synchrony between atrial and ventricular contractions. D) use of an artificial pacemaker. E) ventricular fibrillation.
Answer the following statements true (T) or false (F)
1. The mastoid sinuses are located at a position in the skull where they are usually free from infections. 2. The vertebral column is held in place primarily by the anterior and posterior longitudinal ligaments. 3. Ribs numbered 11 and 12 are true ribs because they have no anterior attachments. 4. The most common site of fracture in the humerus is the anatomical neck. 5. The layman's name for the scapula is the collarbone.