Define interferons
A) Interferons are small proteins released by virus-infected cells that trigger the production of antiviral proteins.
B) Interferons are phagocytic white blood cells that attack virus-infected cells.
C) Interferons are circulating proteins that assist antibodies in the destruction of pathogens.
D) Interferons are chemicals that induce fever to accelerate tissue metabolism and defenses.
E) Interferons are circulating proteins that bind specific antigens as part of the adaptive immune response.
Answer: A
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Which of the joints shown in the figure is classified as a biaxial joint?
a) B b) C c) D d) E e) More than one selection is correct
The sciatic nerve is actually two nerves combined within the same sheath. The two nerves are the
A) femoral and obturator. B) femoral and gluteal. C) common fibular (peroneal) and tibial. D) common fibular (peroneal) and obturator. E) tibial and gluteal.
Which of the following is a cartilaginous joint?
A) synchondrosis B) suture C) syndesmosis D) gomphosis
A neuron conducting an impulse from the CNS to the detrusor muscle of the urinary bladder would be classified as a(n) ________ neuron.
A. autonomic motor B. somatic sensory C. visceral sensory D. somatic motor