An abnormal, exaggerated response of the immune system is called ________.
A. an innate immune response
B. tolerance
C. hypersensitivity
D. excess immunity
E. immunization
Answer: C
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The lumbar arteries are
A) paired and travel in the intercostal spaces. B) paired and found in the aortic arch. C) paired and found on the posterior surface of the aorta. D) single branches of the anterior abdominal aorta. E) a pair of muscular arteries that travel along the inner surface of the ilium.
Lipophilic hormones must interact with which of the following prior to gene activation?
a. membrane receptors. b. molecular chaperones. c. hormone response elements. d. both (a) and (b) above. e. both (b) and (c) above.
Rib 1 articulates with vertebra ________ and the ________.
A. T1; body of the sternum B. T2; body of the sternum C. C7; manubrium of the sternum D. T1; manubrium of the sternum E. T2; clavicle
Opening of each of the following types of channels will contribute toward a graded potential except
A) closed voltage-gated sodium channel. B) chemically gated acetylcholine receptor. C) sodium leak channel. D) mechanically gated sodium channel. E) inactivated voltage-gated sodium channel.