Electrophoresis Techniques Quiz

Which combination of components below is essential for conducting electrophoresis?

In electrophoresis, if separation is based on protein electrophoretic mobility, which type of electrophoresis is being used?

How is electrophoretic mobility (µ) mathematically expressed, where V represents the velocity of the molecule and E represents the electric field strength?

Which of the following factors has the LEAST influence on electrophoretic mobility?

Electrophoresis is LEAST likely to be used for the separation of which of the following?

Which of the following is NOT a typical reason for using electrophoresis?

In electrophoresis, DNA, which has a negative charge due to its phosphate backbone, will migrate toward which electrode?

Which statement accurately describes the relationship between the rate of biomolecule migration and the current applied during electrophoresis?

Which electrophoresis technique uses isoelectric focusing as one of its separation dimensions?

During agarose gel electrophoresis, to which electrode will DNA migrate?

Which technique separates charged particles based on their movement in an electric field?

Sounds with frequencies exceeding 20,000 Hz, inaudible to the human ear, are classified as:

What does the acronym 'SONAR' stand for?

A ship emits ultrasound that returns from the seabed after 3.42 seconds. If the speed of ultrasound in seawater is $1300 \frac{m}{s}$, what is the approximate distance of the seabed from the ship?

Which physical quantity is MOST notably carried in greater amounts by ultrasonic waves compared to audible sound waves?

Compared to audible sound waves, what is the relative wavelength of ultrasonic waves?

What is the primary advantage of iterative reconstruction techniques compared to filtered backprojection in CT imaging?

In helical CT scanning, what does a single transverse slice typically represent?

How is pitch defined in helical CT scanning?

For what application are high-pitch techniques most useful?

In which scenario would a low-pitch technique be most beneficial in helical CT?

Which metric reported by the CT scanner is the best indicator of the total amount of radiation delivered to the patient during a scan?

Which term best describes a measure designed to reflect the potential stochastic (cancer) risk associated with radiation exposure?

How does radiation dose typically distribute within a patient's body during a CT scan?

In which lead is a biphasic P wave most typically observed on an EKG?

Which segment of the EKG, when elevated or depressed, is most indicative of serious cardiac pathology?

What does the T wave on an EKG represent?

What portion of the EKG tracing is representative of the duration of ventricular systole?

The corrected QT interval (QTc) is considered normal when it is less than half of which interval at normal heart rates?

What does the R-R interval on an EKG tracing represent?

What is responsible for the change in focal length of the human eye?

Which of the following best describes the image formed by the retina of the human eye?

For which condition is Gamma Knife radiosurgery NOT typically employed?

Gamma Knife radiosurgery is LEAST likely to be used for which of the following conditions?

What is the PRIMARY mechanism by which Gamma Knife radiosurgery treats epilepsy?

Which of the following non-cancerous conditions could potentially benefit from Gamma Knife treatment?

What is a key factor in controlling dose distribution during Gamma Knife radiosurgery?

What effect does gamma radiation have on normal tissue surrounding the targeted area in Gamma Knife radiosurgery?

What is the MOST frequently reported side effect following Gamma Knife radiosurgery?

What represents a significant limitation of Gamma Knife radiosurgery?

What happens to the resistance of a pure semiconductor when it is heated?

What primarily provides the strength of a semiconductor crystal?

What type of semiconductor is formed when a pentavalent impurity is added to a pure semiconductor?

What results from adding a pentavalent impurity to a semiconductor material?

How many valence electrons does a pentavalent impurity possess?

What is the overall charge of an n-type semiconductor?

What is the effect of increasing the doping concentration in a pure semiconductor on its bulk resistance?

What is the term for the movement of holes and free electrons due to thermal agitation?