Q: Answer the following question given this paragraph: Cysts may develop in the ovaries. A cyst is a sac filled with fluid or other material. Ovarian cysts are usually harmless and often disappear on their own. However, some cysts may be painful and require surgery. Q: What is a sac filled with fluid or other material? A:

OPTIONS:
- a lesion
- Golgi apparatus
- a receptacle
- a cyst

A: a cyst

input: OPTIONS:
- elasticity
- density
- surface tension
- viscosity Now, answer this question: Answer the following question given this paragraph: Viscosity measures a fluid's resistance to flow the higher the viscosity, the slower the flow of the material. One factor that affects viscosity is the strength of the intermolecular forces in the material. Molecules that exhibit higher intermolecular forces tend to have higher viscosities. Temperature also influences viscosity. A higher temperature results in a decrease in viscosity, since molecules are moving faster and the intermolecular forces are more easily disrupted. Most cooking oils are more viscous than water, but when heated, the viscosity decreases and the oil spreads more easily. Motor oils are ranked by viscosity. Lower viscosity oils provide less drag on the engine, but they are also used up faster than a higher-viscosity material. Q: What measures a fluid's resistance to flow? A:
A:
output: viscosity

Answer the following question given this paragraph: Ultrasound in Medical Diagnostics When used for imaging, ultrasonic waves are emitted from a transducer, a crystal exhibiting the piezoelectric effect (the expansion and contraction of a substance when a voltage is applied across it, causing a vibration of the crystal). These highfrequency vibrations are transmitted into any tissue in contact with the transducer. Similarly, if a pressure is applied to the crystal (in the form of a wave reflected off tissue layers), a voltage is produced which can be recorded. The crystal therefore acts as both a transmitter and a receiver of sound. Ultrasound is also partially absorbed by tissue on its path, both on its journey away from the transducer and on its return journey. From the time between when the original signal is sent and when the reflections from various boundaries between media are received, (as well as a measure of the intensity loss of the signal), the nature and position of each boundary between tissues and organs may be deduced. Reflections at boundaries between two different media occur because of differences in a characteristic known as the acoustic impedance Z of each substance. Impedance is defined as. Q: What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer? A:

OPTIONS:
- laser
- radiation
- sonar
- ultrasound

Answer: ultrasound

Problem: OPTIONS:
- prokaryotes
- cytotypes
- carotenoids
- nucleotides
Q: Answer the following question given this paragraph: Nucleotides are composed of a phosphate group, a sugar, and one of five different nitrogenous bases. Q: What are composed of a phosphate group, a sugar, and one of five different nitrogenous bases. A:
Answer: nucleotides

Problem:OPTIONS:
- sand
- salt
- glass
- clay

Answer the following question given this paragraph: Soils with lots of very small spaces are water-holding soils. When clay is present in a soil, the soil holds together more tightly. Clay-rich soil can hold more water. Q: The presence of what makes soil hold together more tightly and enables it to hold more water? A:
****
A: clay

Problem:OPTIONS:
- particle field
- magnetic field
- wave field
- electric field

Answer the following question given this paragraph: The energy that the object gains or loses when traveling through a potential difference is supplied (or absorbed) by the electric field --- there is nothing else there. Therefore, it follows that electric fields contain energy . Q: Where does an object gain or lose it's energy to during travel through a potential difference? A:
****
A:
electric field