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comp 9
exam
| Question | Answer |
|---|---|
| AC interference can be prevented by | making sure lead wires are not crossed and following the contour of the body |
| After preparing the ECG machine, you explaineHowever, you notice that Mrs. Thomas's skin smells fragrant, as though she has used a body lotion recently. Which of the following describes the problem, its possible cause, and the correct solution? | Wandering baseline caused by lotion on the skin; re-prep the skin with isopropyl alcohol. |
| An instrument used to measure the air capacity taken of the lungs is the | spirometer |
| Electrical impulse sensors used to obtain an electrocardiogram are called | electrodes |
| Electrodes for limb leads should be attached to | fleshy portions of the limbs |
| Gillian is a cheerful, active teenager who is having an ECG as part of a physical required by her school to participate in cheerleading activities. You explaiWhat's wrong?" What abnormality is visible in lead V6, and what is your best choice of action? | Flat line; look for loose or disconnected wires. |
| How do you prepare patients for spirometry? | nose should be held or have them wear a nose clip |
| How is somatic interference on an ECG tracing prevented? | Remind the patient to lie still and to refrain from talking. |
| If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing? | Reconnect the wire. |
| If a patient is uncomfortable lying flat on the examining table for an ECG test, he can be placed in the | Fowler's position |
| If the patient has good control of her asthma, her peak flow rate is in the | green zone |
| Possible causes for a wandering baseline are | poor skin preparation, dangling wire, or improper application of electrodes |
| Pulmonary function tests are useful in monitoring which condition? | chronic obstructive pulmonary disease |
| The send(s) out electrical impulses to initiate depolarization. | SA node |
| The arrhythmia pictured here is | atrial fibrillation |
| The deflections that occur on an ECG are labeled with the letters | P. Q. R, S, T, and U |
| The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are | leads |
| The dysrhythmia in which P waves cannot be identified because of rapid multiple electrical signals that fire from areas of the atria other than the SA node is known as | atrial fibrillation |
| The electrical impulses responsible for the cardiac cycle that appear on an electrocardiogram as peaks and valleys are called | deflections |
| The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the | forced vital capacity |
| The impulse that travels through both ventricles is the | S wave |
| The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) _. | electrocardiograph |
| The peak flow zone that requires immediate medical treatment is the | red zone |
| The time it takes for electrical impulses to travel from the SA node to the AV node is the | P-R interval |
| The urgent care center where you work is being remodeled, and the room usually used for obtaining day, the tracing looks as shown in the figure. What problem is present and how can you fix it? | AC interference; move the ECG equipment to a room farther from other electric equipment. |
| What is the arrhythmia pictured here? | ventricular fibrillation |
| What is the arrhythmia pictured here? | PVCs |
| When a PVC appears on the ECG, which wave is missing? | P |
| When pressed, which of the following should cause the stylus to move up 10mm (10 small squares) and remain there for 0.08 second (2 small squares or 2 mm)? | standardization control |
| Where does the transmission of electrical impulses in the heart begin? | SA node |
| Which communication would alleviate a patient's anxiety about having an electrocardiography? | Encourage the patient to ask questions and verbalize her concerns. |
| Which control is used to adjust the position of the stylus on the ECG? | centering control |
| Which of the following can prevent a wandering baseline? | Be sure the skin is prepared adequately. |
| Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs? | peak expiratory flow rate |
| Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle? | electrocardiogram |
| Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction? | P wave |
| Which of the following is an erroneous mark or defect that may appear on an ECG strip? | artifact |
| Which of the following is appropriate when preparing the room and equipment for an electrocardiogram? | Select a room away from all other electrical equipment. |
| Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction? | depolarization |
| Which of the following is the primary pacemaker of the heart? | SA node |
| Which of the following is the process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps? | electrocardiography |
| Which of the following measures and evaluates a patient's lung capacity and volume? | pulmonary function test |
| Which of the following represents the time between contraction of the ventricles and recovery? | S-T segment |
| Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize? | Q-T interval |
| Which of the following results in a flat line on the ECG tracing? | detached/loose wire |
| Which of the following would you include in patient preparation for a pulmonary function test? | Instruct the patient to slightly elevate the chin and slightly extend the neck. |
| Which of these is a component of an acceptable maneuver for spirometry? | minimum of 6 seconds |
| Which precordial electrode is located by counting to the fourth intercostal space to the right of the sternum? | V1 |
| Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle? | V4 |
| Which precordial electrode is placed in the fifth intercostal space, directly below the middle of the armpit? | V6 |
| A 19-year-old college student is seen in the office due to severe sunburn. The healthcare provider has asked you to provide patient education on preventing sunburn in the future. Which of the following statements should you include in your teaching? | "Avoid sunbathing between 10:00 a.m. and 2:00 p.m." |
| A greenstick fracture occurs when | the bone is bent, but only one side is fractured |
| A patient should be placed in which position before you begin cardiopulmonary resuscitation? | on the back |
| A patient who has been stung by a honeybee comes to the office to have the stinger removed. What is the appropriate way to remove the bee stinger? | Scrape the skin with a credit card or flat, hard, sharp object. |
| A strain is | a muscle injury that results from overexertion |
| A swelling caused by an accumulation of blood under the skin is a | hematoma |
| A tetanus toxoid is administered for an infectious bite if the patient has not received one in the last | 5 to 10 years |
| A wound pictured here, which is clean and has a smooth cut, is a(n) | incision |
| Acute abdominal pain in the right upper quadrant that radiates to the back between the shoulder blades is characteristic of | a gallbladder attack |
| Closed wounds are often called | contusions |
| For which accidental injury would you apply ice to the site, 10 minutes on and 10 minutes off, to reduce the pain and swelling? | insect sting |
| For which condition would you move the patient to a cool place and remove outer clothing? | heatstroke |
| In a comminuted fracture, | the bone is broken into several fragments |
| Incomplete fractures | go through only part of the bone |
| Symptoms of an ingested poison include | abdominal pain, nausea, vomiting, diarrhea, burns in or around the mouth, and drowsiness |
| Symptoms of hyperglycemia include _ | dry mouth, intense thirst, muscle weakness, and blurred vision |
| The cardinal symptom of a myocardial infarction is | chest pain |
| The fracture pictured here is a(n) | closed fracture |
| The fracture pictured here, which occurs most often in children, is a(n) | greenstick fracture |
| The main symptom of a choking emergency is | the inability to speak |
| The signs of infection in a wound are | heat, redness, pain, and swelling |
| The symptoms that are specific to a severe head injury include which of the following? | leakage of clear or bloody fluid from the ears or nose, seizures, and respiratory arrest |
| The universal sign of choking is a(n) | hand up to the throat and a fearful look |
| What action should be taken if a patient falls from an examining table and cannot get up? | Call for help and do not move the patient until the practitioner examines him. |
| What is the correct position to place a patient in after ingestion of a poison? | on the left side |
| What type of fracture is pictured here? | Complete fracture |
| What type of wound is pictured here? | puncture |
| What type of wound is pictured here? | laceration |
| Which animals are likely to be carriers of rabies? | dogs, cats, and raccoons |
| Which of the following are symptoms of inhaled poisons? | headache, tinnitus, angina, shortness of breath, muscle weakness, nausea, dizziness |
| Which of the following is a jarring injury to the brain? | concussion |
| Which of the following is an appropriate acton to stop bleeding? | Apply direct pressure over the injury. |
| Which of the fellowing is characteristic of carbon monoxide poisoning? | It is a major cause of inhalation poisoning in the home. |
| Which of the following is included in the care of a human or animal bite? | Wash the area and apply an antibiotic ointment and a dry, sterile dressing. |
| Which of the following is included in the care of a patient who has come in contact with an absorbed poison? | Remove contaminated clothing and wash skin with soap and water. |
| Which of the following is part of the care of a severed ear? | Wrap the ear in plastic and place it in ice. |
| Which of the following is pictured here? | comminuted fracture |
| Which of the following is the appropriate care for a spider bite? | Apply a cold compress and elevate the area. |
| Which of the following is the appropriate removal of tiny specks of foreign bodies in the eye? | Moisten a sterile gauze pad to remove them. |
| Which of the following is the first priority in caring for a patient with a severe head injury? | Maintain the patient's airway. |
| Which of the following is the term for a fracture that goes entirely across the bone? | complete |
| Which of the following is this fracture? | incomplete fracture |
| Which of the following results from insufficient blood volume in the circulatory system? | hypovolemic shock |
| Which of the following would you include in the care of a patient who has sustained a concussion? | Instruct the patient to avoid pain medicines other than acetaminophen. |
| Which of the following, pictured here, is a closed wound with bruising? | Contusion |
| Which type of bone fracture occurs most often in children because their bones are still soft and pliable? | greenstick |
| Which type of fracture is pictured here? | open fracture |
| Which type of wound, pictured here, occurs when someone slides across gravel during a softball game? | abrasion |
| While camping with friends, you are asked to help find a nearby camper's lost son. The 9-year-old boy is found after being He says they are tingling and hurt a lot.Which of the following actions will you take? | Place his hands in warm water. |
| Your brother has been working in the backyard, trimming bushes and pulling weeds. He was not wearing gloves, and suddenly he comes into the house looking scared and holdike. You call EMS immediately. Until help arrives, what will you do for your brother? | Immobilize his arm and position it below heart level. |
Created by:
evelynlarios1