Conduction deafness occurs when sound waves cannot reach the fluids of the inner ear. Which one of the conditions below will not cause conduction deafness?
A) a perforated eardrum B) damage to the ossicles
C) damage to cochlear hair cells D) inflammation of the middle ear
Answer: C
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A. avascular; sensory B. avascular; motor C. highly vascularized; sensory D. highly vascularized; motor
Which cellular operation occurs in the smooth endoplasmic reticulum?
A) DNA replication leading to cell division B) synthesis of ribosomes via nucleoli C) synthesis of RNA D) manufacture of carbohydrates and lipids E) regulation of protein synthesis
Generally, PO2 in arterial blood is ________ than PO2 in venous blood.
Fill in the blank(s) with the appropriate word(s).
Stimulus intensity is typically encoded in
a. action potential amplitude. b. frequency of action potentials. c. number of receptors activated. d. Both action potential and amplitude and frequency. e. Both action potential frequency and number of receptors stimulated.