Biophysics at Pomeranian Academy Of Medicine In Szczecin | Flashcards & Summaries

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Lernmaterialien für Biophysics an der Pomeranian Academy of Medicine in Szczecin

Greife auf kostenlose Karteikarten, Zusammenfassungen, Übungsaufgaben und Altklausuren für deinen Biophysics Kurs an der Pomeranian Academy of Medicine in Szczecin zu.

TESTE DEIN WISSEN
  1. Which of the following methods 
  2. (PET, ESR, NMR, and USG) is
  3.  for free radicals detection?
  1. PET
  2. NMR
  3. ESR
  4. USG
Lösung anzeigen
TESTE DEIN WISSEN
ESR
Lösung ausblenden
TESTE DEIN WISSEN
  1. Which sentence is true?
  1. The lower the frequency, the higher the pitch of the sound 
  2. The higher the frequency, the higher the pitch of the sound
  3. The lower the frequency, the same the pitch of the sound
  4. The higher the frequency, the lower the sound
Lösung anzeigen
TESTE DEIN WISSEN
B)The higher the frequency, the higher the pitch of the sound
Lösung ausblenden
TESTE DEIN WISSEN
  1. A piece of radioactive
  2.  substance gives a received
  3.  rate of 6000 counts per minute
  4. in detector whose efficiency
  5. is known to be only 2%.
  6.  If the sample contains 10^10 atoms,
  7. what is the decay constant (lambda)
  8. of this radioactive substance? WTF


  1. 2*10^-9 s^-1
  2. 10^-8 s^-1
  3. 10^-7 s^-1
  4. 5*10^-7 s^-1
Lösung anzeigen
TESTE DEIN WISSEN
d) 5*10^-7 s^-1
Lösung ausblenden
TESTE DEIN WISSEN
  1. Lenses are sometimes 
  2. rated not by focal length but 
  3. by a unit called a diopter.  
  4. The diopter is simply one
  5. divides by the focal length in meter.  
  6. Given focal length,
  7. f1 = 20 cm, and f2 = (-) 50 cm.
  8.  Calculate number of diopter
  9. (power) and focal length in
  10. c for combination this lenses:
  1. 3D, 20cm
  2. 2D, 33c
  3. 2D, 50cm
  4. 3D, 33cm
Lösung anzeigen
TESTE DEIN WISSEN
D) 3D, 33cm
Lösung ausblenden
TESTE DEIN WISSEN

All listed types of radiation are of the same nature except:

Required to answer. Single choice.

(0/1 Point)

a) X-ray,

b) gamma radiation,

c) alpha radiation,

d) cosmic radiation.

Lösung anzeigen
TESTE DEIN WISSEN

c) alpha radiation,

Lösung ausblenden
TESTE DEIN WISSEN

2.

Residual volume is about 1 liter. With the strong effort of expiration one can diminish residual volume by:

a) 0 ml,

b) 100 ml,

c) 200 ml,

d) 500 ml

Lösung anzeigen
TESTE DEIN WISSEN

a) 0 ml,

Lösung ausblenden
TESTE DEIN WISSEN

3. Magnification of microscope is 150; magnification of microscope eyepiece is 10. What is the magnification of objective?


a) 1200

b) 130

c) 15

d) 110

Lösung anzeigen
TESTE DEIN WISSEN

c) 15

Lösung ausblenden
TESTE DEIN WISSEN

4.Which of the following frequencies are in the ultrasound range?


16 Hz

15 000 Hz

15 MHz

1 600 Hz

Lösung anzeigen
TESTE DEIN WISSEN

15 MHz

Lösung ausblenden
TESTE DEIN WISSEN

5. Density of liquid is equal to 1 g/cm3; choose correct values in other units:

0,1 kg/dm3, and 1000 kg/m3

1 kg/dm3, and 1000 kg/m3

1 kg/dm3, and 10 000 kg/m3

10 kg/dm3, and 106 kg/m3

Lösung anzeigen
TESTE DEIN WISSEN

1 kg/dm3, and 1000 kg/m3

Lösung ausblenden
TESTE DEIN WISSEN

6.

A contraindication for the X-ray test is:

a) pregnancy,

b) a pacemaker,

c) hypertension,

d) none of the answers is correct.

Lösung anzeigen
TESTE DEIN WISSEN

a) pregnancy,

Lösung ausblenden
TESTE DEIN WISSEN

7. Energy of electromagnetic wave is:


proportional to wavelength

proportional to frequency

inversely proportional to frequency

inversely proportional to frequency and wavelength

Lösung anzeigen
TESTE DEIN WISSEN

proportional to frequency

Lösung ausblenden
TESTE DEIN WISSEN

8. In the Computed Tomography (CT) scanners:


X-rays are attenuated in tissues, depending on the tissue density


X-rays are attenuated in tissues, depending on elastic properties of the tissue


X-rays echo (result of EM waves reflection from tissues) is detected by RF coils


Gamma rays are attenuated in tissues, depending on the tissue density



Lösung anzeigen
TESTE DEIN WISSEN

 X-rays are attenuated in tissues, depending on the tissue density

Lösung ausblenden
  • 12351 Karteikarten
  • 166 Studierende
  • 1 Lernmaterialien

Beispielhafte Karteikarten für deinen Biophysics Kurs an der Pomeranian Academy of Medicine in Szczecin - von Kommilitonen auf StudySmarter erstellt!

Q:
  1. Which of the following methods 
  2. (PET, ESR, NMR, and USG) is
  3.  for free radicals detection?
  1. PET
  2. NMR
  3. ESR
  4. USG
A:
ESR
Q:
  1. Which sentence is true?
  1. The lower the frequency, the higher the pitch of the sound 
  2. The higher the frequency, the higher the pitch of the sound
  3. The lower the frequency, the same the pitch of the sound
  4. The higher the frequency, the lower the sound
A:
B)The higher the frequency, the higher the pitch of the sound
Q:
  1. A piece of radioactive
  2.  substance gives a received
  3.  rate of 6000 counts per minute
  4. in detector whose efficiency
  5. is known to be only 2%.
  6.  If the sample contains 10^10 atoms,
  7. what is the decay constant (lambda)
  8. of this radioactive substance? WTF


  1. 2*10^-9 s^-1
  2. 10^-8 s^-1
  3. 10^-7 s^-1
  4. 5*10^-7 s^-1
A:
d) 5*10^-7 s^-1
Q:
  1. Lenses are sometimes 
  2. rated not by focal length but 
  3. by a unit called a diopter.  
  4. The diopter is simply one
  5. divides by the focal length in meter.  
  6. Given focal length,
  7. f1 = 20 cm, and f2 = (-) 50 cm.
  8.  Calculate number of diopter
  9. (power) and focal length in
  10. c for combination this lenses:
  1. 3D, 20cm
  2. 2D, 33c
  3. 2D, 50cm
  4. 3D, 33cm
A:
D) 3D, 33cm
Q:

All listed types of radiation are of the same nature except:

Required to answer. Single choice.

(0/1 Point)

a) X-ray,

b) gamma radiation,

c) alpha radiation,

d) cosmic radiation.

A:

c) alpha radiation,

Mehr Karteikarten anzeigen
Q:

2.

Residual volume is about 1 liter. With the strong effort of expiration one can diminish residual volume by:

a) 0 ml,

b) 100 ml,

c) 200 ml,

d) 500 ml

A:

a) 0 ml,

Q:

3. Magnification of microscope is 150; magnification of microscope eyepiece is 10. What is the magnification of objective?


a) 1200

b) 130

c) 15

d) 110

A:

c) 15

Q:

4.Which of the following frequencies are in the ultrasound range?


16 Hz

15 000 Hz

15 MHz

1 600 Hz

A:

15 MHz

Q:

5. Density of liquid is equal to 1 g/cm3; choose correct values in other units:

0,1 kg/dm3, and 1000 kg/m3

1 kg/dm3, and 1000 kg/m3

1 kg/dm3, and 10 000 kg/m3

10 kg/dm3, and 106 kg/m3

A:

1 kg/dm3, and 1000 kg/m3

Q:

6.

A contraindication for the X-ray test is:

a) pregnancy,

b) a pacemaker,

c) hypertension,

d) none of the answers is correct.

A:

a) pregnancy,

Q:

7. Energy of electromagnetic wave is:


proportional to wavelength

proportional to frequency

inversely proportional to frequency

inversely proportional to frequency and wavelength

A:

proportional to frequency

Q:

8. In the Computed Tomography (CT) scanners:


X-rays are attenuated in tissues, depending on the tissue density


X-rays are attenuated in tissues, depending on elastic properties of the tissue


X-rays echo (result of EM waves reflection from tissues) is detected by RF coils


Gamma rays are attenuated in tissues, depending on the tissue density



A:

 X-rays are attenuated in tissues, depending on the tissue density

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