Answer the following questions true (T) or false (F)
1. The somatic motor division consists of somatic motor neurons that innervate cardiac, smooth, and skeletal muscle cells.
2. The sympathetic nervous system has short preganglionic axons and long postganglionic axons, with the sympathetic ganglia located near the spinal cord.
3. The parasympathetic nervous system is often known as the "rest and digest" division of the ANS.
1. FALSE
2. TRUE
3. TRUE
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Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Intercalated nephrons B. Juxtamedullary nephrons C. Adrenal nephrons D. Cortical nephrons
Beth Wood tells her nursing students that it is important to monitor patients' blood pressure when they are receiving verapamil (a calcium channel blocker). Why?
What will be an ideal response?
Chondroblasts produce
A. ligaments. B. blood cells. C. bone tissue. D. cartilage matrix. E. synovial fluid.
Why don't platelets form plugs in undamaged vessels?
A. Platelets aren't formed until vessel damage occurs. B. Only contact of platelets with exposed collagen fibers and von Willebrand factor causes them to be sticky and form plugs. C. Plugs do form, but are removed by macrophages. D. Platelets don't form plugs, it is the megakaryocytes that form the plugs.