My CAMRT Practice Questions | 2023/24

My CAMRT Practice Questions | 2023/24 What is an Adrenergic drug? - Drug that stimulates the nervous system, and causes the relaxation of smooth muscles of the bronchi. What is a common example of an adrenergic drug? - Epinephrine What is an example of a local anesthetic? - Lidocaine (Xylocaine) What are some common side effects of anticoagulants? - - Bruising - Spontaneous bleeding What is an anticholinergic drug? - A drug that depresses the parasympathetic nervous system and act as antispasmodics of smooth muscle. They decrease contractions, saliva, bronchial mucus etc. What are some common examples of anticholinergic drugs? - - Buscopan - Glucagon - Atropine What is a cathartic drug? - Drug that stimulates peristalsis and promotes deification. (Treats constipation) What type of drug is Lasix, and what does it do? - It is a diuretic that stimulates the flow of urine. What type of drug are NSAID's? - Anti-inflammatory that is used to treat pain associated with mild pain. What are a few common examples of NSAID's? - - Aspirin - Advil - Celebrex - Aleve What is the annual dose limit for the whole body of radiation workers? - 20 mSv What is the annual dose limit for the lens of the eye for radiation workers? - 150 mSv What is the annual dose limit for skin, hands, and all other organs for radiation workers? - 500 mSv What is the dose that can result in permanent sterility in men? - 5 Gy What is the CT number for Air? - -1000 What is the CT number for brain? - +20 - +40 If a pediatric patient comes into the emergency department with a cough that is described as a "barking cough", what hallmark sign would you expect to see on their resultant soft tissue neck? - An hourglass or steeple sign What respiratory pathology is associated with the "bat wing or butterfly sign"? - Pulmonary Edema In a tension pneumothorax, what way will the mediastinal structures deviate, and what way will the trachea deviate? - The mediastinal structures will deviate away from the side of the pneumothorax and the trachea will deviate away as well. What contrast phase is used for a routine chest CT? - Late arterial / bolus What is the average window width/window level for the brain? - 190/50 What is the average window width/ window level for mediastinal structures? - 325/50 In CT, what does your window width control? - Number of shades of grey (CONTRAST) In CT, what does the window level control? - The center of the grey scale (BRIGHTNESS / DARKNESS) What is the average timing for a delayed (equilibrium) scan? - 300s What is the average timing for a Portal Venous (Equilibrium) scan? - 65-85s What is the average timing for a Early Arterial (bolus) scan? - 15-25s What is the average timing for a Late Arterial scan? - 35-45s Which pathology would you see an air bronchogram on a plain film CXR? - Alveolar pneumonia Which respiratory pathology would represent with the "tree-in-bud" appearance on a CT scan of the chest? - Bronchopnemonia What are some of the signs and symptoms of Epiglottitis? - - Stridor - Cyanosis - Fever - Drooling - Difficulty swallowing and breathing What are some of the hallmark symptoms of a patient with cystic fibrosis? - - Sinusitis with poly