Brain enhancement - Samenvattingen, Aantekeningen en Examens

Electromagnetic energy is symbolized by a sine wave that has two components of measurements, they are: - Answer-Wavelength and frequency Of the following techniques which one is applied to prevent "crosstalk" between multi-slices with little or no interslice "gap" - Answer-Interleaving The artifact known as aliasing, wrap around or fold over will always show up in what gradient direction? - Answer-Phase encoding Which of the following causes of artifacts on MR images is most commonly m...

Abscess (brain): definition and imaging appearance on T1, T2, CE, and DWI Answer Collection of pus. Mass effect and extensive surrounding edema. T1: hypointense to grey matter T2: hyperintense to grey matter with surrounding edema. CE MRI: ring-like enhancement DWI shows an abscess having a high DWI signal with corresponding low signal on the ADC map. Avascular Necrosis (AVN) Answer T1: necrotic area is hypointense T2: hyperintense bone marrow edema Ischemic area remains hypointen...

HESI A2 Biology practice Questions and Answers 100% Pass Which of the following is NOT a part of the body's chemical defense system against infection? a. Urine b. Hydrochloric acid c. Agranulocyte d. Lysozyme - Correct Answer ️️ -- Agranulocytes Agranulocytes are a type of white blood cell and therefore are not a part of the body's chemical defense system. Which of the following is considered an example of naturally acquired passive immunity? a. Attenuated (live) vaccine inject...

PA SURGERY EOR EXAM LATEST 2024 ACTUAL EXAM QUESTIONS WITH VERIFIED DETAILED ANSWERS (GRADED A+) A 45-year-old man presents to the office with the complaint of perianal pain and bleeding. Examination reveals an anal/perianal mass complex. Biopsy is taken and the results are positive for epidermoid carcinoma of the anus. Which of the following treatment options would be the most appropriate therapy for this patient? A Local resection, chemotherapy, and external beam radiation ...

HESI A2 Biology practice Questions and Answers 100% Pass Which of the following is NOT a part of the body's chemical defense system against infection? a. Urine b. Hydrochloric acid c. Agranulocyte d. Lysozyme - Correct Answer ️️ -- Agranulocytes Agranulocytes are a type of white blood cell and therefore are not a part of the body's chemical defense system. Which of the following is considered an example of naturally acquired passive immunity? a. Attenuated (live) vaccine inject...

Reducing or eliminating altogether feeling of grief, shyness, low self-esteem and depression is a: correct answer: Mood enhancement Providing help to the sickest first belongs to this category of principles: correct answer: Favoring the worst-of Fabrication, falsification, plagiarism, false claims to authorship and media hype are: correct answer: Different forms of misconduct in research The most relevant uncertainty about condition of a patients in a persistent vegetative state (PVS...

In MRI, substances respond to a specific radio frequency which is known as: - Resonance frequency The effects of main magnetic field inhomogeneities on the FID signal are corrected for in a Spin-echo sequence by applying a second radio-frequency pulse. The flip angle of this radio-frequency pulse is: - 180 degrees The components of the Gyro-magnetic ratio are: - Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial locali...

Pellegrino "The Metamorphosis of Medical Ethics" correct answer: o A lot of change had been happening and ------ wanted to return to the foundations of medical ethics, including the doctor-patient relationship. Describes the 4 historic periods. o The nature of medicine is at stake o A physician's virtue is now WHAT IS MOST LUCRATIVE Wants to figure out the philosophical reasons for why some doctors are departing from traditional ethics in medicine & is this really where we want it to go....

Pharmacology - Answer-the branch of science that examines how psychoactive substances taken to alter bodily functions or enhance bodily functions interact with the brain and body. Due to it's short half-life, which requires a divided dosing? - Answer-Wellbutrin The first stage in group process may be referred to as: - Answer-Dependency The ICRC/AODA defines assessment as: - Answer-An identification of the client's strengths, weaknesses, needs and problems to develop the treatment plan. I...

in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top. this motion is called A) precession B) resonance C) frequency D) angular momentum - ANSWER-precession magnetic resonance imaging is derived from the process known as: A) magnetic resonance angiography B) magnetic relaxation imaging C) nuclear magnetic resonance D) nuclear resonance imaging - ANSWER-nuclear magnetic resonance Once the nmv...