The human ear can detect what frequency of vibrations?
A. 10 to 10,000 Hz
B. 20 to 20,000 Hz
C. 5 to 200,000 Hz
D. 100 to 100,000 Hz
E. 5 to 20 Hz
Answer: B
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Which of the following is incorrect pertaining to aspiration of a foreign body?
A) Contact with the mucosa of the vestibule of the larynx will induce laryngeal musculature spasm. B) Contact with the mucosa of the vestibule of the larynx will cause violent coughing. C) A Valsalva maneuver may be used to dislodge the foreign body. D) In extreme cases a needle cricothyrotomy permits rapid entry of air into the trachea. E) Death will occur in approximately five minutes if the airway is fully obstructed.
Cells are found in the sinusoids of the liver that remove debris from the blood as it flows past are called ________ macrophages
Fill in the blanks with correct word
At a(n) ____________________ synapse, the receptor-channels to which the neurotransmitter binds are nonspecific cation channels that permit simultaneous passage of sodium and potassium through them
Fill in the blank(s) with correct word
Triglycerides are composed of
A. nucleotides. B. amino acids. C. monosaccharides. D. glycerol and fatty acids. E. None of the choices are correct.