Protective reflexes of the lungs include
A) bronchoconstriction.
B) coughing and bronchoconstriction.
C) coughing.
D) bronchodilation.
E) bronchodilation and coughing.
B) coughing and bronchoconstriction.
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Leslie has a bad sore throat and the lymph nodes in her neck are swollen. This indicates __________.
A) the affected lymph nodes contain an increased number of lymphocytes. B) lymph is not flowing through these lymph nodes. C) the lymph gland has increased its secretion of thymosin. D) the focus of the infection is the lymph nodes.
Speech occurs when air is moved through this passageway between the ________
A) vocal folds B) vestibular folds C) false vocal cords D) walls of the arytenoid canal
Which of these is not one of the formed elements of blood?
A) RBCs B) platelets C) antibodies D) lymphocytes E) basophils
Describe the function of the medullary cavity
A) The medullary cavity contains compact bone lamella oriented for strength. B) The medullary cavity contains spongy bone oriented along lines of stress. C) The medullary cavity is a fibrous membrane containing blood vessels, lymphatic vessels, and sensory nerves. D) The medullary cavity contains cartilage that allows long bones to get longer. E) The medullary cavity contains the red bone marrow and the yellow bone marrow.