When the bladder of an infant is filled with urine, the
a. stretch receptors in the bladder wall are inhibited.
b. parasympathetic nerve supplying the bladder is inhibited, allowing the bladder to relax.
c. motor neuron supplying the external urethral sphincter is stimulated, causing the sphincter to open.
d. motor neuron supplying the external urethral sphincter is inhibited, allowing the sphincter to open.
e. parasympathetic nerve supplying the internal urethral sphincter is stimulated, causing the sphincter to close.
D
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Answer the following statements true (T) or false (F)
1. The main structural unit of the cell membrane is the protein molecule. 2. Phospholipids and cholesterol are two lipid molecules found in the cell membrane. 3. Carbohydrate chains and protein molecules in the cell membrane are used as identification tags for the cell. 4. The nonliving material between the cell nucleus and cell membrane is called the cytoplasm. 5. The ribosomes are the “power plants” of the cells.
Where are erythrocytes produced in the adult human body?
a. spleen b. kidneys c. plasma d. bone marrow e. GI system
Which of the extrinsic eye muscles passes through the trochlea?
What will be an ideal response?
Dentists anesthetize a portion of the _____ nerve to stop pain impulses from the teeth
A. facial B. trigeminal C. hypoglossal D. glossopharyngeal E. abducens