A complete blood count (CBC) measures all of the following except
A. the hemoglobin concentration.
B. the red blood cell count.
C. the hematocrit.
D. the percentages of each type of white blood cell.
E. the white blood cell count.
Answer: D
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Fluid flowing from point B in the figure will go to which of the following structures?
a) J b) M c) I d) G e) H
Arthropod muscle differs from vertebrate muscle in that
a. a single muscle fiber may be innervated by multiple motor neurons. b. a single motor neuron forms multiple synapses (multiterminal innervation) with a single muscle fiber. c. development of muscle tension is modulated by inhibitory presynaptic inputs. d. muscle fibers are innervated by both excitatory and inhibitory neurons. e. All of these.
The deep groove on the ventral surface that extends the length of the spinal cord is the
A) anterior median fissure. B) central canal. C) central sulcus. D) longitudinal fissure.
Answer the following questions true (T) or false (F)
1. The autonomic nervous system carries signals to cardiac muscle, smooth muscle, and glands. 2. Neurons are responsible for sending and receiving signals referred to as action potentials while neuroglial cells serve a variety of supportive functions. 3. Bipolar neurons have one axon and one dendrite.