Which of the following factors influences the rate of gastric emptying in response to changes in osmolarity?
a. fat in the chyme
b. distention of the stomach
c. acididity of chyme
d. hypertonicity of the duodenal lumen
D
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What lymphatic disorder is characterized by a hypersensitivity to a foreign antigen?
A. Allergies B. HIV/AIDS C. Elephantiasis D. Lymphadenitis
Which of the following would NOT lead to an increase in the strength and compression resistance of a connective tissue?
A) Increase the number of collagen fibers in the matrix. B) Decrease the number of collagen fibers in the matrix. C) Increase the concentration of proteoglycans in the ground substance. D) Align the fibers in the matrix in direction of most stress or force. E) All of these would increase the strength and compression resistance of a connective tissue.
Pertaining to the nervous system, what is an effector?
A. A motor neuron B. A type of neuroglia that physically supports neurons in the CNS C. A muscle or gland that receives a nerve impulse from a motor neuron D. An interneuron E. A cell or nerve ending that transmits sensory information to a sensory neuron
After losing 25 percent of blood volume in a motorcycle accident, which of the following compensatory responses would not occur?
A) increased heart rate B) increase of contractility C) vasoconstriction of the body wall D) venoconstriction of skin vessels E) circulatory shock