Which of the following is not an origin for parasympathetic preganglionic fibers?
A. Midbrain
B. Pons
C. Medulla oblongata
D. Hypothalamus
E. Sacral region of the spinal cord
Answer: D
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A fetus develops a malformation in the pituitary gland which causes it to lack melanocyte-stimulating hormone. This results in lack of skin and eye coloration, similar to albinism. The malformed portion of the pituitary gland is a structure called the ________.
What will be an ideal response?
Which of the following transport processes moves substances through cells using endocytosis on one side of a cell and exocytosis on the opposite side of the cell?
a) phagocytosis b) secondary active transport c) transcytosis d) osmosis e) simple diffusion
A substance that can produce disease is a( n ) _____. Select one:
a. pathogen b. neutrophil c. phagocyte d. none of the choices
List and briefly describe the four general properties of immunity
What will be an ideal response?