Inappropriate or excessive immune responses to antigens are defined as
A) immunodeficiency diseases.
B) characteristics of AIDS.
C) allergies.
D) characteristics of HIV infection.
E) common in the elderly.
C) allergies.
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The simple fact that exercising muscles use more O2 is an example of negative feedback
Indicate whether the statement is true or false
Define stretch reflex
A) A stretch reflex is an example of a withdrawal reflex that contracts the flexor muscles of a limb in response to a painful stimulus. B) A stretch reflex is a polysynaptic reflex that activates extensor muscles in the opposite leg or arm when a flexor reflex is activated. C) A stretch reflex is a monosynaptic reflex that activates extensor muscles in the opposite leg or arm when a flexor reflex is activated. D) A stretch reflex is a monosynaptic reflex that provides regulation of skeletal muscle length. E) A stretch reflex is a polysynaptic reflex that provides regulation of skeletal muscle length.
The serum used for emergency treatment of snakebites stimulates ________ immunity.
A. natural passive B. natural active C. artificial active D. artificial passive
The humerus articulates with the radius at the
A. medial epicondyle. B. lateral epicondyle. C. capitulum. D. radial fossa. E. trochlea.