Type I diabetes mellitus is caused by ________.
A. a severe hypersecretion of ADH
B. a severe hyposecretion of ADH
C. the hyposecretion of insulin due to destruction of the beta cells
D. a reduction of the insulin receptors on target cells
E. a reduction of ADH receptors on the target cells
Answer: C
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The cells found in nervous tissue are neurons and __________.
A. neuroglia B. dendrites C. Purkinje fibers D. neurosomas
When a muscle is unable to respond to stimuli temporarily, it is in which of the following periods?
A) relaxation period B) refractory period C) latent period D) fatigue period
A motor unit consists of
A) one skeletal muscle fiber and all the neurons that control that fiber. B) one neuron and all the skeletal muscle fibers it controls. C) one skeletal muscle fiber and the neuron that controls that fiber. D) one axon terminal branch and the myofibrils it controls.
Some patients with kidney failure regularly undergo a procedure called hemodialysis to cleanse their blood. This procedure thus effectively replaces which of the following kidney components.
A. Collecting ducts B. Ureters C. Nephrons D. All of the above