Which term best describes receptors that detect body and limb movements, skeletal muscle contraction and stretch, and joint capsule structure?

In the hierarchy of skeletal muscle fiber components, the myofibril is made up of myofilaments.

Answer the following statement true (T) or false (F)

Which structures or processes prevent excessive loss of blood pressure during severe bleeding?

A) venoconstriction B) venous valves C) arteriosclerosis D) arteriovenous anastomoses E) vasodilation

Which type of immunity develops as a result of natural exposure to an antigen in the environment?

a. naturally acquired active immunity b. naturally acquired passive immunity c. artificially induced active immunity d. artificially induced passive immunity

The body has several ways to keep blood moving forward through the veins. Which of the following does NOT explain how this happens?

A. The pressure in the veins is lower than the pressure in the arteries (i.e. blood flows down its pressure gradient). B. Valves in the veins prevent backflow. C. The aid of respiratory pump (changes in pressure in thoracic cavity during inhalation and exhalation). D. The pumping of the venous endothelial contraction nodules (which act like a series of miniature hearts). E. The aid of contractions of skeletal muscles.