A(n) ________ is an infection in one of the glands on the eyelids
A) sty
B) furuncle
C) abscess
D) lesion
E) carbuncle
A
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Diverging axons amplify an impulse by
A. contacting many neurons. B. returning the impulse to the neuron of origin. C. stimulating themselves. D. splitting into multiple axons.
During early embryonic development, a protein called sonic hedgehog is released from a cell and travels in a small gradient through the interstitial fluid only to nearby cells. This helps to establish the path and direction of development for the nervous system and limbs. Knowing this, sonic hedgehog must be a(n) ________ signal.
A. nervous B. endocrine C. autocrine D. paracrine
All of the following are found on the surface of the arm EXCEPT the ________
A) brachialis B) biceps brachii C) sternocleidomastoid D) triceps brachii
If a bone is immersed in a weak acid such as vinegar for several days, its inorganic components will dissolve. What will be the result of such an experiment?
A. The bone will become soft and flexible. B. The spongy bone will dissolve, leaving only the outer compact bone. C. The bone will dissolve completely. D. The compact bone will dissolve, leaving only the inner spongy bone. E. The bone will become hard and brittle.