Black and white films - Study guides, Class notes & Summaries

NBDHE Radiology Questions And Answers. The x-ray was discovered by a. Heinrich Geissler b. Wilhelm Roentgen c. Johann Hittorf d. William Crookes - Answer Wilhelm Roentgen Which discovery was the precursor to the discovery of x-rays? A. Beta particles B. Alpha particles C. Cathode rays D. Radioactive materials - Answer Cathode rays Which term describes two or more atoms that are joined by a chemical bond? a. ion b. ion pair c. molecule d. proton - Answer Molecule Which is not a ty...

Foreshortening - ANSWERToo MUCH vertical angulation; decrease angulation Elongation - ANSWERToo LITTLE vertical angulation; increase angulation Herringbone, "waffle pattern" - ANSWERBackward placement of film; place the film with the smooth, white side next to the tooth and the bumpy side away (there is a lead foil on the backside of the film packet to prevent backscatter) Cracked emulsion - ANSWERSudden temp. changes between developer and fixer Darker areas - ANSWERDeveloping solu...

NBDHE Radiology Questions And Answers. The x-ray was discovered by a. Heinrich Geissler b. Wilhelm Roentgen c. Johann Hittorf d. William Crookes - Answer Wilhelm Roentgen Which discovery was the precursor to the discovery of x-rays? A. Beta particles B. Alpha particles C. Cathode rays D. Radioactive materials - Answer Cathode rays Which term describes two or more atoms that are joined by a chemical bond? a. ion b. ion pair c. molecule d. proton - Answer Molecule Which is not a ty...

Film Chapter 12 Questions and Answers Already Graded A 1. People today have difficulty understanding older films most often because those films A. operate according to different conventions. B. are not as visually well-crafted as modern movies. C. involve romantic plots that do not appeal to contemporary sensibilities. D. lack action sequences and are very slow paced. A. operate according to different conventions. 2. Which of the following was NOT among the earliest early pioneers of film? ...

NRNP 6560 Midterm exam questions with 100% correct answers Surgery risk classes - ANSWERS Class 1: benefits outweigh risk, should be done Class 2a: reasonable to perform Class 2b: should be considered Class 3: rarely appropriate General rules for surgery: testing - ANSWERS ECG before surgery only if coronary disease, except when low risk surgery Stress test not indicated before surgery Do not do prophylactic coronary revascularization Meds before surgery - ANSWERS - Diabetic agents: ...

Foreshortening - ANSWERToo MUCH vertical angulation; decrease angulation Elongation - ANSWERToo LITTLE vertical angulation; increase angulation Herringbone, "waffle pattern" - ANSWERBackward placement of film; place the film with the smooth, white side next to the tooth and the bumpy side away (there is a lead foil on the backside of the film packet to prevent backscatter) Cracked emulsion - ANSWERSudden temp. changes between developer and fixer Darker areas - ANSWERDeveloping solu...

NRNP 6560 Midterm exam questions with 100% correct answers Surgery risk classes - ANSWERS Class 1: benefits outweigh risk, should be done Class 2a: reasonable to perform Class 2b: should be considered Class 3: rarely appropriate General rules for surgery: testing - ANSWERS ECG before surgery only if coronary disease, except when low risk surgery Stress test not indicated before surgery Do not do prophylactic coronary revascularization Meds before surgery - ANSWERS - Diabetic agents: ...

Foreshortening Too MUCH vertical angulation; decrease angulation Elongation Too LITTLE vertical angulation; increase angulation Herringbone, "waffle pattern" Backward placement of film; place the film with the smooth, white side next to the tooth and the bumpy side away (there is a lead foil on the backside of the film packet to prevent backscatter) Cracked emulsion Sudden temp. changes between developer and fixer Darker areas Developing solution touches film before processing proc...

What is a physical property of x-rays? - correct answer Travel in straight lines As the wavelength of x-ray photons shortens, the energy of the x-ray beam will - correct answer Increase The kVp setting on an x-ray machine controls the - correct answer Quality of the x-ray beam The milliampere-seconds (mAs) setting on an x-ray machine controls the -...

How is the AP usually obtained?  with a portable xray machine When is the AP indicated for patients?  when they cannot travel What position is the pt normally in for the AP xray?  usually supine unless specified as upright The AP view may limit what?  achievement of optimal image, it produces more magnification and a less sharp image In the supine position of the AP view, what are 3 negatives?  it may limit inspiration and lead to misinterpretation, unable to reveal fre...