The inability to see distant objects is termed "nearsighted" or ________
A) emmetropia
B) hyperopia
C) myopia
D) astigmatism
E) presbyopia
C
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The voltage across a neuron's membrane has changed from its resting potential of -70mV to -80mV. Which of the following is most likely to be TRUE regarding this situation?
A) The neuron has bound a neurotransmitter that increases membrane permeability to sodium ions. B) Large pores have opened in the membrane to allow release of large intracellular anions. C) The neuron has bound a neurotransmitter that increases the permeability to chloride ions. D) Additional myelin has been added to the membrane to provide greater electrical insulation.
What part of the spleen serves as a reservoir for lymphocytes and macrophages?
A. Both red and white pulp B. Red pulp C. White pulp D. None of these are correct.
Which of the following is NOT a property of enzymes?
a) Enzymes are catalytic proteins. b) Enzymes are highly specific. c) Enzymes are efficient. d) Enzymes are subject to a variety of cellular controls. e) Enzymes are irreversibly changed by the reactions that they catalyze.
"Anaerobic endurance"
A) is used during long, slow athletic activities. B) is exemplified by contractions of fast muscle fibers. C) is determined by the availability of carbohydrates, lipids, or amino acids for breakdown. D) is the length of time a muscle can continue to contract while supported by mitochondrial activities. E) does not promote muscle hypertrophy.