Radiology and Anatomy Practice Questions PDF

```markdown # Vol. 2 Practice Test: Unit D - Diagnostic Techniques *** ## 359. If you stand 8 feet away from a radiation source, instead of 2 feet away, you will reduce your total body radiation exposure by: a. 1/4 or 50% b. 3/4 or 75% c. 7/8 or 88% d. 15/16 or 94% ## 360. Which of the following r...

```markdown # Vol. 2 Practice Test: Unit D - Diagnostic Techniques *** ## 359. If you stand 8 feet away from a radiation source, instead of 2 feet away, you will reduce your total body radiation exposure by: a. 1/4 or 50% b. 3/4 or 75% c. 7/8 or 88% d. 15/16 or 94% ## 360. Which of the following radiographic views will produce the highest X-ray exposure to staff working on the right side of the patient? a. PA cranial b. PA caudal c. RAO d. LAO ## 361. What happens to the X-ray machine when you suddenly stop fluoroscope? a. The production of primary and scattered radiation immediately stops. b. The amount of radiation from the source decays with a half-life of 1-2 minutes. c. A lead shutter immediately blocks the X-ray beam to prevent the emission of primary radiation. d. Low levels of radiation continue to be generated to keep the tube up to temperature. ## 362. Which indicator provides the best estimate of the risk of a radiation skin injury? a. Fluoroscopic time b. Dose area product (DAP) c. Air dose at the skin level d. Milliamp seconds (MAS) # Vol. 1 Practice Test: Unit B - Anatomy & Physiology ## 97. What radiologic view is usually best to image the normal origin of the right coronary ostium? a. 10-20 degree RAO b. 30-40 degree RAO c. 10-20 degree LAO d. 30-40 degree LAO ## 98. A patient's angulated X-ray view is 60 degree LAO, 30 degree caudal. In this view the image intensifier may touch the patient's: a. Right shoulder b. Left shoulder c. Left lower chest d. Right lower chest ## 99. The image is a coronary arteriogram What branch is shown at #8 in this RAO view? a. Conus b. Acute marginal c. Obtuse marginal d. PDCA e. SA node artery ## 100. The image is a coronary angiogram. Identify the coronary labeled #4 in this LAO angiogram. a. Diagonal b. LAD c. Main stem left coronary d. Circumflex ## 101. In a "widow maker" stenosis all of the following arteries are compromised EXCEPT the: a. LAD b. Diagonal c. Circumflex d. Acute marginal ## 102. A trifurcation or ramus branch of the left main coronary is known also as the: a. Septal perforator b. Intermediate artery c. Posterior descending d. Anterior descending ## 103. Left coronary dominance occurs in approximately about \_\_\_\_% of the population. a. 10-20% b. 25-35% c. 40-50% d. 60-75% ## 104. The image is a coronary artery LAO Which coronary artery is shown at #1 nearest the backbone in this LAO oblique X-ray view? a. LAD b. RAD c. LAO d. Circumflex e. PDCA ## 105. Left coronary blood flow occurs primarily during the \_\_\_\_ phase of the cardiac cycle because\_\_\_\_\_ a. Systolic, Coronary driving pressure is greatest b. Systolic, Systolic ejection opens the aortic valve c. Diastolic, Semilunar valves cover the coronary ostia in systole d. Diastolic, Diastole releases compressed endocardial capillaries ## 106. The lowest blood oxygen saturation in the heart is found in the \_\_\_\_\_\_\_\_\_, which is usually around \_\_\_\_\_\_\_ % O2 saturation. a. Coronary sinus, 30-40% b. Coronary sinus, 50-60% c. Superior vena cava, 30-40% d. Superior vena cava, 50-60% ## B5 - Autonomic CNS ## 107. Increased sympathetic nervous system tone \_\_\_\_\_\_\_\_ the heart rate, and uses \_\_\_\_\_\_\_\_ as its chemical mediator (neurohumoral transmitter)? a. Decreases HR, Epinephrine b. Decreases HR, Acetylcholine c. Increases HR, Norepinephrine d. Increases HR, Acetylcholine ## 108. The parasympathetic nerve that innervates the heart is the: a. Phrenic b. Vagus c. Cardiac plexus d. Brachial plexus ## 109. The naturally occurring neurotransmitter liberated at the parasympathetic nerve junctions is: a. Adrenalin b. Norepinephrine c. Atropine d. Acetylcholine ## 110. What is the primary effect of vagal nerve stimulation on the heart? a. Increases rhythmicity b. Decreases rhythmicity c. Increases automaticity d. Decreases automaticity ## 111. Baro-receptors in the aortic arch are termed: a. Alpha receptors b. Beta receptors c. Stretch receptors d. -dromotropic ## 112. What is the effect of pressing on the neck at the junction of the internal and external carotid arteries (carotid sinus massage)? a. + chronotropic b. - chronotropic c. - cholinergic d. + adrenergic ## 113. Mild depression in ventilation (hypoventilation) results in : a. + chronotropic b. - inotropism c. Decreased $PCO_2$ d. Increased pH ## 114. What class of autonomic drug is norepinephrine? a. Sympathomimetic b. Cholinergic c. Vagal blocker d. Beta blocker ## 115. A 100 Kg. patient experiences a vasovagal reaction. How much TOTAL / maximum atropine can be administered? a. 1 mg b. 4 mg c. 8 mg d. 16 mg ## 116. When increased blood pressure is sensed in the arteries, the baroreceptor reflex causes: a. Increased heart rate b. Decreased heart rate c. Increased sympathetic tone d. Decreased parasympathetic tone ## B6 - Hemodynamics & Pressures ## 117. At what level in the vascular system is flow through the vessels at its SLOWEST rate? a. Veins b. Arteries c. Capillaries d. Arterioles ## 118. What vessels in the vascular system create the greatest pressure drop? a. Systemic capillaries b. Pulmonary capillaries c. Systemic arterioles d. Pulmonary arterioles ## 119. The image shows an ECG and heart sounds Which heart sound component delays and splits off during inspiration as shown? a. SIA (also termed A1) b. SIP (also termed P1) c. S2A (also termed A2) d. S2P (also termed P2) ## 120. The second heart sound is caused by closure of what two valves? a. Mitral and tricuspid b. Mitral and aortic c. Aortic and pulmonic d. Pulmonic and tricuspid ## 121. What phase of the cardiac cycle immediately follows closure of the AV valves and precedes the opening of the semilunar valves in systole? a. Atrial contraction b. Isometric contraction c. Isometric relaxation d. Diastolic filling period ## **NO COPIES PLEASE.** Copyright 2023 Cardiac Self Assessment Copyright infringement is punishable by up to $150,000 fine and/or imprisonment. Educational exceptions must be in writing and signed by the author. Please report any suspected illegal copies to the author. You will be kept anonymous. Contact Wes Todd (509) 926-0344. ```