Tennis elbow is a misnomer for a condition caused by changes in the tendon that attaches the extensor carpi radialis brevis to bone. Discuss the origin and action of this muscle
What will be an ideal response?
Extensor carpi radialis brevis has its origin on the lateral epicondyle of the humerus bone. Its action is to extend the hand and abduct the hand.
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Which of the following are responsible for a receptor adapting to a stimulus?
A) Na+ channel inactivation only B) Na+ channel inactivation or K+ channel opening C) opening of Na+ channels only D) opening of K+ channels only E) K+ channel inactivation only
How does a syndesmosis differ from a symphysis, even though both are classified as amphiarthroses?
What will be an ideal response?
Heat shock proteins
a. are also known as stress proteins. b. are hydrophobic proteins. c. are attracted to hydrophobic amino acids normally located on the inside of folded proteins. d. are also called molecular chaperones. e. all of these.
Blood is supplied to the left atrium by the
A) brachiocephalic artery. B) right coronary artery. C) left coronary artery. D) phrenic arteries. E) pulmonary arteries.