Which of the following characteristics is shared by the skin and mucous membranes?
A) They are both constantly shedding and replacing cells.
B) They both have cilia.
C) The outer layers are composed of dead cells.
D) Sebum may be present.
E) Lysozymes are always present.
A
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Identify the parts of a typical fungal body plan and briefly explain the function of each of the
structures you identified.
75% of healthcare-associated urinary tract infections are associated with
a) urinary catheters. b) contaminated hands. c) poor hygiene. d) antibiotic use.
Matching I. Even though there may be more than one
correct letter response to some numbered items, discriminate and “juggle” so that you have the one BEST response for each blank. 1. ___ effector 2. ___ excitatory postsynaptic potential 3. ___ ganglion 4. ___ integrator 5. ___ Inhibitory Postsynaptic Potential 6. ___ interneuron 7. ___ muscle spindle 8. ___ myelin sheath 9. ___ neuroglia 10. ___ receptor 11. ___ recovery period 12. ___ response 13. ___ sodium-potassium pump 14. ___ stimulus 15. ___ neurotransmitter molecule A. cells that nurture and support neurons B. a hyperpolarizing event C. a neuron cannot propagate an action potential at this time D. ACh or GABA E. interneuron in brain or spinal cord F. establishes basis of resting membrane potential G. sheathed muscle cells that contain receptors H. input I. integrator cell between sensory and motor J. modified dendrite of a sensory neuron K. a depolarizing event L. output M. muscle or gland N. produced by a Schwann cell O. cluster of cell bodies outside the CNS
An embryo impants in the uterus when it reaches the _______ stage of development.
Fill in the blank(s) with the appropriate word(s).