CAMRT Exam Practice Questions and Answers | Updated 2024/2025 | 100% Correct

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? CAMRT Exam Practice Questions and Answers | Updated 2024/2025 | 100% Correct 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 polyps - Weightloss and large foul stool - Mucous in intestines - Excessive sweating What is one of the ways that they can test for cystic fibrosis? The sweat test How would you position a patient for a decubitus chest when the doctor is querying a pleural effusion in the right lung? Right lateral decubitus (affected side down) What is one of the hallmark signs of achlasia of the GI system? "Rat tail" or "Beak" sign What is the radiographic appearance of esophageal varices? - Worm tracings - rosary beads How will the radial tuberosity appear on a lateral elbow projection if the hand is externally rotated? The tuberosity will appear anterior How will the radial tuberosity appear on a lateral elbow projection if the hand is internally rotated? The tuberosity will appear posterior If during a lateral elbow projection, the patients proximal humerus is elevated, what will the resultant x-ray show? - The radial head will be posterior on the coranoid - The distal capitulum surface is too distal to the distal surface of the medial trochlea If during a lateral elbow projection, the patients proximal humerus is depresses, what will the resultant x-ray show? - The radial head will be anterior to the coranoid - The distal capitulum surface is demonstrated too far proximal to the medial trochlear surface If during a lateral elbow projection, the patients distal forearm is elevated, what will the resultant x-ray show? - The radial head will be proximal to the coronoid - The capitulum is too far posterior to the medial trochlea If during a lateral elbow projection, the patients distal forearm is depressed, what will the resultant x-ray show? - The radial head is distal to the coronoid - The capitulum is too anterior to the medial trochlea What angle should be used for an axiolateral oblique of the elbow? 45 degrees up the arm How would you describe the organs of a patient that is considered Asthenic? - Low stomach - Long Lungs - Low hanging transverse colon How would you describe the organs of a patient that is considered Hyperstenic? - High stomach - Short lungs What is the most common way for the carpal bones to dislocate? Dorsally After how many days must a repeat x-ray be done if the patient is suspected of having a scaphoid fracture? 7-10 days What is a Smiths fracture? A fracture of the distal radius with anterior displacement (Remember Mrs. Smith driving her car) What is a Bennett's fracture? Fracture at the base of the 1st metacarpal with dorsal subluxation. Usually caused by a direct impact or hyper extension of the thumb. What is a Colles fracture? Fracture of the distal radius with POSTERIOR displacement. Usually caused by a FOOSH on a dorsiflexed hand. (When you put your hand out to brace yourself) Where are you optimally centering for a PA hand? 3rd MCP joint Where are you optimally centering for a lateral hand? 2nd MCP joint What is often one of the only indications of an elbow joint fracture? A visible posterior fat pad (also known as "sail sign") What is a Monteggia fracture? Fracture at the ulnar shaft with anterior dislocation of radial head. Caused by a fall onto the olecranon. When would Atresia likely be spotted on a prenatal ultrasound? 24 weeks If a patient over the age of 40 presents with dysphagia, what is one potential pathology that must be investigated? Esophageal carcinoma One the stomach has healed from a gastric ulcer, what shape would it likely take? Hourglass shape After what age is there a higher incidence of esophageal carcinoma in men? 60 years old In over 1/3rd of stomach carcinoma cases what could potentially be expected to be seen? A large polypoid mass If a patient is suspected of pyloric stenosis, what could potentially be seen on the resultant Ultrasound? Doughnut and/or target sign Around how many beats per minute is considered tachycardia clinically? 100-180 bpm If an IV flows too quickly into the blood stream, what condition may arise? Pulmonary Edema What should the immediate course of action be if you are administering contrast through an IV and extravasation occurs? Stop the infusion If the patient is attached to a running IV, what is the first step you would take in changing them out of their gown? Remove the sleeve without the IV first What is one potential side affect of giving your patient oral barium, and how can you counteract this? Constipation can occur. To help alleviate any symptoms, ensure that your patient drinks plenty of water after their examination. Where in the body is a T-tube located/inserted? The common bile duct What disease contraindicates the use of Glucagon? Diabetes What is the correct angle to use on a AP bladder shot x-ray? 15 degrees caudad and centered 1" below the level of the ASIS If on an AP shoulder if you leave the hand in a neutral position, what would the resultant x-ray show? The greater tubercle will be partially in profile laterally and the humeral head partially in profile medially. If on an AP shoulder you leave the hand in external rotation, what would the resultant xray show? The greater tubercle will be fully in profile laterally and the humeral head will be fully in profile medially. If on an AP shoulder you leave the hand in internal rotation, what would the resultant xray show? The lesser tubercle medially and the greater tubercle will also start to move medially. How are neonates lungs compare to the lungs of adults? Neonates lungs are wider than they are long On a PA Chest X-ray, to assess flexion/extension where should the manubrium sit with optimal positioning? At T4 On a PA chest X-ray, how can you tell that a proper breath has been achieved? 10-11 ribs will be seen above the diaphragm On a neonate chest x-ray, how can you tell that a proper breath has been achieved? Minimum 8 ribs above the diaphragm If you are taking an AP Chest x-ray, how can you tell that a proper breath has been taken on the resultant image? 9-10 ribs above the diaphragm What is the centering point for an upright abdomen x-ray? L3 (LCM) What is the centering point for a supine abdomen x-ray? L4 (Top of crest) How would you determine if proper expiration has been achieved on an abdomen xray? 9 or less posterior ribs will be above the diaphragm with proper full expiration If Mr. Jones comes into the emergency department querying fluid in the left side of his abdomen, what abdomen view would you do to best show his potential pathology? Left lateral decubitus How would you adapt your centering for an AP supine abdomen on a hyperstenic patient? Center halfway between the pubic symphysis and ASIS What part of the body is the focus of imaging if the clinical history states "history of gout"? The 1st MTP Joint If your patient is in a RPO position for a lumbar oblique projection, what Z-joints are we focusing on? Right Z-joints If your patient is in an LAO position for a lumbar oblique projection, what Z-joints are we focusing on? Right Z-joints When taking a lumbar spine oblique x-ray your patient is in the LPO position, what Zjoints are we looking at? Left Z-joints If you are taking a lumbar spine oblique x-ray and your patient is in the RAO position, what Z-joints are we looking at? Left Z-joints If when doing an AP C-spine oblique your patient is in the RPO position, what foramina and pedicles are being visualized? The left foramina and pedicles If when doing a PA C-spine oblique your patient is in the LAO position, what foramina and pedicles will be visualized on the resultant image? The left foramina and pedicles At what vertebral level does the IVC go through the diaphragm? T8 At what vertebral level does the esophagus goes through the diaphragm? T10 At what vertebral level does the abdominal aorta go through the diaphragm? T12 At what vertebral level does the abdominal aorta bifurcate into left and right common illiac's? L4 What is the grid factor for a 12:1 grid? 5 What is the grid factor for a 5:1 grid? 2 If a body part is over what thickness would you then use a grid and gridded technique? 10cm over If an average knee is 10cm at 65kVp, and you are now x-raying a knee that is 14cm, keeping your mAs the same what would be your new kVp? 73 kVp (using the part thinkness rule, for every cm increase then you add 2 kVp to your overall) What type of hip dislocations are most common clinically? Posterior hip dislocations Which type of hip fracture occurs just below the femoral head, and can result in necrosis? Sub-capital fracture What type of fracture occurs through the femoral neck? Transcervical fracture (also known as femoral neck fracture) What type of fracture occurs at the base of the femoral neck just proximal to the trochanters? Basilar Fracture What is a subtrochanteric fracture? A fracture below both trochanters that results in a transverse or oblique fracture What is an intertrochanteric hip fracture? A fracture between the greater and lesser trochanters Where would you center for an Inlet projection of the pelvis? Midline at the level of the ASIS Where would you center for an Outlet projection of the pelvis? Midline and 5cm(2") distal to the greater trochanters What angle do you use for an Outlet projection of the pelvis on a male patient? 20-35 cephalad What angle would you use for an Outlet projection of the pelvis on a female patient? 30-45 cephalad For the AP axial projection, Townes method, how many degrees and which direction should the CR be directed when the IOML is perpendicular to the IR? 37 degrees caudad What degree and in what direction is the CR directed for an axiolateral oblique projection of the mandible? 25 degrees cephalad Where does the CR enter for an axiolateral projection of the TMJ's? 5cm superior and 1.3cm anterior to the elevated EAM Which two sinus groups are better demonstrated with the SMV projection? Ethmoid and Sphenoid sinuses Which lower GI pathology will show a "birds beak" sign? Volvulus What suspected lower GI pathology may be present if your patient presents with the following symptoms: - Severe diarrhea - RLQ pain - Blood in stool - (Not present in this patient but may also present with bowel obstruction) Crohn's disease Abrupt pain in the abdomen in 15-20 minute intervals combined with a right-sided palpable mass is common with which type of lower GI pathology? Intussuseption What will colorectal cancer present like radio-graphically? Apple core / napkin ring appearance What ages are included in the screening program for colorectal carcinoma? 50-74 years old What line are you optimally using to position for an AP Townes skull? OML What positional line is used for Axiolateral TMJ's? IOML How can you adapt your positioning for a hyperstenic patient when positioning them for an Axiolateral ramus? Tilt their head 15 degrees towards the board, and use a 10 degree cephalic angle instead of 25 degrees. What type of shoulder dislocation is most common? Anterior dislocation