Color blindness is tested using ________
A) Ishihara plates B) a chart of lines radiating out from a white circle
C) a Snellen eye chart D) sudden illumination of the retina
Answer: A
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Antibodies are gamma globulins produced by B lymphocytes
Indicate whether the statement is true or false
Neuron X makes inhibitory axon-axon synaptic contact with neuron Y at the synapse of Y and neuron Z. Which will occur when action potentials are stimulated in neuron X?
A. Neuron Y will be inhibited from reaching the threshold to fire an action potential. B. The release of neurotransmitter by neuron Y will be inhibited. C. The synapse between neurons Y and Z will be changed from an excitatory synapse to an inhibitory one. D. Neurons Y and Z will both be more likely to reach threshold and fire an action potential. E. Neurons Y and Z will both be less likely to reach threshold and fire an action potential.
The great cardiac vein runs alongside the
A. posterior interventricular artery. B. coronary sinus. C. right marginal artery. D. circumflex artery. E. anterior interventricular artery.
Which is false regarding the absorption of nutrients during digestion?
A. Proteins are chemically digested to amino acids and absorbed into the blood of capillaries in the small intestine. B. Fat-soluble vitamins (A, D, E, and K) are absorbed along with the products of lipid digestion. C. Lipids are chemically digested to fatty acids and glycerides, and were absorbed into the lacteals in the small intestinal villi. D. Minerals are electrolytes that are absorbed in the stomach.