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Question
What role do outer hair cells play in the transmission of sound?
A. They dampen strong vibrations from very loud sounds.
B. They bend and depolarize with specific wavelengths of sound waves.
C. They amplify softer sound and sharpen pitch perception.
D. All apply.
Answer
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Related questions
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A. tryptophan
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The role of melatonin in puberty of humans is well established and critical.
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Epiphyseal growth in males is stimulated by estrogen.
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The rate at which GnRH is secreted from the hypothalamus determines whether LH or FSH is secreted from the anterior pituitary.
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A male with 5 alpha-reductase deficiency will have male internal sex organs but more female appearing external genitals.
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Treating a male fetus with antibodies to DHT would prevent development of the epididymides.
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How many chromosomes are found in a normal human cell?
A. 23
B. 23 pair
C. 46
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A. IgA
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C. IgF
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What hormone is secreted by the anterior pituitary that stimulates production of milk proteins?
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A. hypothyroidism
B. cystic fibrosis
C. sickle cell anemia
D. All of the choices are correct.
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What hormone may play a role in reducing the size of the uterus following delivery?
A. progesterone
B. prostaglandin
C. oxytocin
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DHEAS travels from the fetal adrenal cortex to the placenta where it is converted into oxytocin.
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arteries
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A. increased, K+
B. decreased, K+
C. increased, Na+
D. decreased, Na+
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Cells synthesizing hydroxyapatite in bones are termed as
A. osteoblasts.
B. osteoclasts.
C. osteocytes.
D. osteosarcoma cells.
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Bone resorption is produced by the action of _____________, which return bone calcium and phosphate to the blood.
A. osteoblasts
B. osteoclasts
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