Answer the following statement(s) true (T) or false (F)
1. Heart sounds are created when the valves snap closed.
2. Murmurs only occur when valves do not close completely.
3. When valves do not open fully, an abnormal heart sound, called a murmur, results.
4. Damaged heart valves make a grating sound.
5. Damaged heart valves often allow blood to flow backward.
1. True
2. False
3. False
4. False
5. True
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Entering a vial with a needle incorrectly may cause:
A) desiccation. B) precipitation. C) a chemical reaction. D) coring.
A patient receiving 60% oxygen from an air entrainment mask has a partial pressure of oxygen (PaO2) of 45 mm Hg
The patient is being intubated and the ventilator set up. What is the appropriate fractional in-spired oxygen (FIO2) to achieve a PaO2 of 60 mm Hg? a. 0.65 b. 0.75 c. 0.8 d. 0.95
Uterine relaxants are used in which of the following conditions?
A) To decrease the volume of amniotic fluid. B) To increase the blood pressure in premature infants. C) To delay post-term labor in diabetic mothers. D) To delay preterm labor in pregnancies of greater than 20 weeks.
A lady weighing 100 pounds is standing on a floor while wearing tennis shoes. Another lady weighing 100 pounds is standing on the floor with high heels. Which lady exerts greater pressure on the floor? Explain your choice.
What will be an ideal response?