The stage of labor in which the fetus is expelled is
A. the first stage.
B. the second stage.
C. the third stage.
D. the fourth stage.
E. the fifth stage.
B
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Neuron X makes inhibitory axon-axonal 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. The synapse between neurons Y and Z will be changed from an excitatory synapse to an inhibitory one. B. Neuron Y will be inhibited from reaching the threshold to fire an action potential. C. Neurons Y and Z will both be less likely to reach threshold and fire an action potential. D. The release of neurotransmitter by neuron Y will be inhibited. E. Neurons Y and Z will both be more likely to reach threshold and fire an action potential.
Answer the following statements true (T) or false (F)
1. A monocyte is a nongranular leukocyte. 2. Both lymphocytes and monocytes are nongranular leukocytes. 3. The mature red blood cell contains fewer chromosomes than other cells in the body. 4. Anemia refers to an inadequate number of red blood cells. 5. Pernicious, iron deficiency, and polycythemia are all examples of types of anemias.
__________, one of the most potent appetite stimulators ever found, leads to increased food intake, thus promoting weight gain
Fill in the blank(s) with correct word
In comparison to a low-density lipoprotein (LDL), a high density lipoprotein (HDL) contains ________.
A. less protein B. more amino acids C. more carbohydrate D. less lipid E. more cholesterol