Sympathetic stimulation ____ heart rate and ____ the motility in the digestive tract
a. does not affect; decreases
b. decreases; decreases
c. decreases; increases
d. increases; decreases
e. increases; increases
D
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Complement helps kill harmful cells by:
a. “drilling” a hole in the cell membrane b. causing sodium to rapidly leak out of the cell c. causing water to rapidly leak out of the cell d. all of the above
A person is experiencing fatigue, feeling cold, dry itchy skin, weight gain, and thinning hair. This person should be suspected as having which disease?
A) Cushing's syndrome B) Hypothyroidism C) Hyperthyroidism D) Addison's disease
Answer the following statements true (T) or false (F)
1. The carbon dioxide that is exhaled reduces the amount of carbonic acid in the blood. 2. A decreased breathing rate reduces the amount of carbonic acid removed and causes a rise in the pH of the blood. 3. A decrease in breathing rate reduces the amount of carbonic acid removed and causes an increase of hydrogen ions in the blood. 4. Hyperventilation can cause acidosis. 5. Hyperventilation would remove more carbonic acid than normal and would cause a decrease in the hydrogen ion concentration.
Functions of astrocytes include all of the following except
A) maintaining the blood-brain barrier. B) conducting action potentials. C) absorbing excess neurotransmitter. D) responding to neural tissue damage. E) forming a three-dimensional framework for the CNS.