Select the best response to the question.
?What significant development has decreased the incidence of epiglottitis?
A) the administration of the Haemophilus influenza type B (Hib) vaccine
B) advances in airway management
C) early recognition of the symptoms
D) the development of effective antibiotics
A
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Joints are areas of connection between two
a. bendable regions of the skeleton. b. bones. c. glands. d. cartilage regions. e. of none of these.
To a large extent, a protein's function is dependent upon its shape. What determines a protein's shape?
A) The location of the active site B) The sequence of amino acids C) The number of amino acids D) The number of peptide bonds
Which neurotransmitter is not an amino acid derivative?
A) GABA B) serotonin C) histamine D) dopamine E) glutamate
A solution is at equilibrium across a plasma membrane. If 50 molecules were to enter the cell, how many molecules would need to exit the cell in order to maintain the equilibrium?
A . 50 B. 75 C. 25 D. 0 E. 100