If the heart of a frog was placed in a petri dish filled with oxygenated Ringer's solution, what other chemical would be essential to make it contract?
A. Norepinephrine
B. None
C. Serotonin
D. Acetylcholine
Answer: B
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What does the acronym PERT stand for?
a. a type of PDA c. a type of conditioner b. a decision tree d. a tool used for timing of decisions
What would be the response if a person's nephrons were not able to filter normally due to scarring of the proximal convoluted tubule leading to inhibition of reabsorption?
A. Increased urine output, fluid volume deficit B. Decreased urine output, fluid volume deficit C. Increased urine output, fluid volume overload D. Decreased urine output, fluid volume overload
A postmastectomy client tells the nurse, "The doctor says my arm is so swollen because of lymph fluid. How much lymph fluid do we have?" How should the nurse respond?
1. "Not very much. Most of your swelling is due to your cancer." 2. "The normal amount of lymph fluid in the body is about 3 liters." 3. "The lymph fluid is part of your blood, so it is hard to determine how much you have." 4. "Everyone is different. Some people have lots of lymph fluid and some have very little."
Depolarization occurs when which two electrolytes rush into the cell?
A. Sodium and potassium B. Calcium and magnesium C. Calcium and sodium D. Chloride and potassium