Shivering in response to a cold draft is an example of
A. feedforward regulation.
B. a homeostatic mechanism.
C. Two of the choices are correct.
D. positive feedback.
E. acclimation.
Answer: C
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What is the purpose of the three ankle ligaments on the outside of the foot?
A. Providing a place to grow pedal cartilage B. Giving form to the bony skeleton of the foot C. Preventing athletic sports injuries to the foot D. Holding together freely moving ankle joints
The myocardial cells receive their blood supply from the coronary arteries that branch off from the aorta.
Answer the following statement true (T) or false (F)
1. List the veins that a drop of blood will pass through as it leaves the foot and returns to the heart: 2. Saphenous vein 3. Popliteal vein 4. External iliac vein 5. Femoral vein
A) 3, 2, 4, 1 B) 2, 3, 4, 1 C) 2, 4, 3, 1 D) 3, 2, 1, 4 E) 2, 1, 4, 3
Which of the following open soft-tissue injuries is limited to the superficial layer of the skin and results in the least amount of blood loss?
A. avulsion B. abrasion C. incision D. laceration