A positive psoas sign:
A) could indicate liver cancer.
B) means that the thigh can be extended more than 30 degrees.
C) means that the psoas muscle is normal in strength.
D) could indicate pancreatitis.
E) indicates a normal psoas reflex.
Ans: D
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Lymphatic capillaries
A) concentrate lymph prior to passing it to larger lymphatic vessels. B) receive lymph directly from lymph nodes. C) cannot be discerned structurally from circulatory system capillaries. D) originate as blind sacs within the loose connective tissues of the body. E) All of the answers are correct.
Which of the following nerves does NOT arise from the brachial plexus?
A) median B) phrenic C) radial D) ulnar
The _____ sends out an electrical impulse that begins and regulates the heartbeat.?
A) ?AV node B) ?SA node C) ?Purkinje fibers D) ?AV bundle
Which statement correctly describes why children are more susceptible to infectious diseases?
A. Children are not as clean as adults. B. Children inherit this susceptibility from their parents. C. Children are not more susceptible to infectious diseases. D. A child's immune system is not fully developed and continues to mature throughout childhood.