Which of the following best describes the events occurring at point A in the diagram of deep wound healing shown below?
a) Blood clot is forming.
b) New collagen fibers are forming.
c) Damaged blood vessels are being repaired.
d) Epithelium is migrating across wound.
e) Scar tissue is forming.
Answer: a
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The vessel(s) associated with the right atrium is/are the
A. pulmonary trunk. B. SVC, IVC, and coronary sinus. C. aorta. D. pulmonary veins.
Which of the following is true of joints that are first-class levers?
A. The fulcrum is in the middle. B. Their mechanical advantage is always less than 1.0. C. Their output force is always greater than the input force. D. Their resistance is between the fulcrum and the distal end of the bone. E. The fulcrum is at the opposite end from the tendinous attachment.
As the result of an accident, the white rami communicantes of spinal nerves T1 and T2 on the left side of Brad's body are severed. What organ(s) would you expect to be affected by this injury?
A) left pupil B) right pupil C) heart D) both pupils E) left pupil and heart
Extracellular fluid
a. is the internal environment of the body. b. is outside the cells but inside the body. c. consists of the plasma and interstitial fluid. d. two of these answers. e. all of these answers.