Dynamic density - Study guides, Revision notes & Summaries

what improves temporal resolution -answer- low line density, high frame rate, narrow sector line, fewer pulse per frame which of the following is true when the dynamic aperature is increased -answer- near zone length increases Which of the following is the standard protocol for digital imaging that allows compatibility and communication between computers, workstations, and network hardware provided by various manufacturers of CT, MRI, and ultrasound -answer- DICOM the beam of an unfocus...

Absolute Altitude correct answers The actual distance an object is above the ground. Absolute Pressure correct answers Pressure measured from the reference of zero pressure, or a vacuum. Acceleration correct answers Force involved in overcoming inertia; may be defined as a change in velocity per unit of time Accelerometer correct answers A part of an inertial navigation system (INS) that accurately measures the force of acceleration in one direction. Adjustable-pitch propeller correc...

What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media? a. bolus b. infusion c. extravasation d. luminal - a. bolus Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal? a. indirect capture b. CCD c. cassette based radiography d. direct capture - d. direct capture The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacan...

HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A A radiographer prepares to perform an AP projection of the distal femur on a patient with a suspected femoral fracture. Which represents the best approach for positioning both the patient and the x-ray tube? A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the foot. B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. C. Do not rotate the l...

Edelmen's SPI Exam Review Guaranteed Success What is the relationship between frequency and wavelength in ultrasound? ️️Frequency and wavelength are inversely related; as frequency increases, wavelength decreases, enhancing resolution but reducing penetration depth. How does acoustic impedance affect ultrasound imaging? ️️Acoustic impedance is the resistance to sound wave transmission; differences in impedance between tissues cause reflections that form the ultrasound imag...

Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical - D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec - C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity - D The effects of soft tissue on ultrasound are called: a) acoustic proliferation properties b) dynamic effects c) acoustic propagation properties d) biological effects - ...

Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatom...

Does salanity affect the counts - ️️Yes Does a neutron source activated the gamma ray when reaming up - ️️Yes, it creases activity which increases counts What windows do you need for PEF - ️️SSW1 and SSW3 What windows do you need for density - ️️LSW1, SSW1, SSW3 What is the min RPM for angle x with stickslip? - ️️45 RPM What is the min RPM for angle x? - ️️30 RPM What is CHISQR - ️️Standard deviation from expected values What is Crystal Resolution...

An electron will not be ejected - If the energy of the incident photon is less than the work function: Increases - For supersonic flow, the pressure of fluid must decrease as the fluid flow area of the duct. Dynamic viscosity / kinematic viscosity - Density in term of viscosity is: Shape - Liquids and gases take the following characteristic(s) of their contents. C. A and B above are correct - Alcohol finds use in manometers as: A. It provides a suitable meniscus for the inclined tube B...

stand correct answers a group of trees of similar species composition, age, or spatial arrangement growing under approximately the same site conditions (e.g. soil, light, moisture, etc) -age class -competition/density -composition -site quality correct answers A stand of trees can be demarcated by? forest correct answers a 3-dimensional ecological system dominated by trees and other woody vegetation that exists in dynamic interaction with the landscape and the environment -climate (p...