Happy

Loves him, he always makes my day.

Hello bloggers!

So excited finally got my diploma and I can't wait to take my physics exam in August.  >_<

Pulsed Waves

Listening time and depth of view: Directly related

SPL and number of cycles in a pulse: Directly related

SPL and frequency of the cycles in a pulse: Inversely related

SPL and Pulse Duration: Directly related

Maximum imaging depth and SPL: Unrelated

Maximum imaging depth and PRP: Directly related

Maximum imaging depth and PRF: Inversely related

PRP and PRF: Inversely related

Image quality and SPL: Inversely related

Image quality and Pulse Duration: Inversely related

Wavelength and SPL: Directly related

Metric System

Thinking

Thinking about the future and what I want to major in can be kind of stressful. I've come to a conclusion and that is majoring in Psychology. From having an Associates degree in Diagnostic Medical Sonographer I've jumped into Psychology. The reason why I want to study Psychology is because of all the interesting things you can learn about the human brain and peoples way of being. I think it will be something amazing to learn and all of the different people I will learn about and be able to meet. I've read many things about students taking these classes and how they are enjoying them. I want to start already but first I must get my Ultrasound license and have that as my back bone than start with Psychology. I am very dedicated to this and nothing is stopping me from doing it. I feel happy now that I have finally figured  everything out now I can relax :)

Ultrasound Physics Chp. 1

1. Give the units of measure for each term:

-Wavelength: mm, cm

-Frequency:1/sec, Hz

-Intensity: watts, sq cm

-Propagation speed: m/sec

-Period: sec, usec

-Power: watts

2. Which determines each of these parameters, the medium or the US system?

-Wavelength: both
-Frequency: sound source
-Intensity: sound source
-Propagation Speed: medium
-Period: sound source
-Power: sound source

3. Which of the following can not be changed by the Sonographer?

-Wavelength, Propagation speed, Period

4. Acoustic Variables are:

-Density, Temperature, Pressure and Particle motion

5. How many cycles occur in 0.5 seconds if the frequency is 5 million Hz? 2, 500, 000 cycles

6. What is the acoustic velocity in soft tissue? 1,540 m/s or 1.54 km/sec

Tutoring

I am being tutored by my ultrasound teacher at her house with four other students. The classes are in spanish. At first I thought I wasn't going to comprehend but it turned out that I understand everything just like I would in English. Today we went over chapter one and two I soaked it all in and I wasn't lost at all. I can't wait for the next class I am so happy I am that much closer to taking my exam.

Here are something's I want to go over, it is something I need to remember.

- Frequency and Period: Inversely related and Reciprocals

- Power and Amplitude: Directly related

- Intensity and Power: Directly proportional

- Intensity and Amplitude: Intensity is proportional to the waves amplitude squared


- Wavelength and Frequency: Inversely related

- Stiffness and Speed: Directly related

- Density and Speed: Inversely related

- SPL and Frequency: Inversely related

- SPL and the number of cycles per pulse: Directly related


- SPL and Wavelength: Directly related


- PRP and Depth of View: Directly related


- PRF and Depth of view: Inversely related


- Distance and Attenuation: Directly related


- Frequency and Attenuation: Directly related