chapter 17 review test

The EMT should use an AED on a child between 1 month and 8 years of age if:-pediatric pads and an energy-reducing device are available.-special pads are used and the child has profound tachycardia.-his or her condition is rapidly progressing to cardiac arrest.-he or she is not breathing and has a weakly palpable pulse.

-pediatric pads and an energy-reducing device are available.

the electrical impulse generate by the heart originates in the:A. bundle of his.B. coronary sinus .C. sinoatrial node.D. atrioventricular node.

.C. sinoatrial node

Angina pectoris occurs when:-myocardial oxygen demand exceeds supply.-one or more coronary arteries suddenly spasm.-a coronary artery is totally occluded by plaque.-myocardial oxygen supply exceeds the demand.

-myocardial oxygen demand exceeds supply.

Which of the following is NOT a function of the sympathetic nervous system?A. dilation of blood vessels in the musclesB. constriction of blood vessels in the musclesC. increases in the heart and respiratory ratesD. constriction of blood vessels in the digestive system

B. constriction of blood vessels in the muscles

The MOST common error associated with the use of the AED is:A. inappropriately placed adhesive defibrillation electrodes.B. failure of the EMT to ensure the battery is charged.C. inability of the EMT to recognize ventricular fibrillation.D. malfunction of the AED's internal computer processor.

B. failure of the EMT to ensure the battery is charged.

the iliac arteries immediately subdivide into the :A. peroneal arteries.B. femoral arteries.C. posterior tibial arteries.D. anterior tibial arteries.

B. femoral arteries

Blood that is ejected from the right ventricle: A. enters the systemic circulation. B. flows into the pulmonary arteries. C. has a high concentration of oxygen. D. was received directly from the aorta.

B. flows into the pulmonary arteries.

Acute coronary syndrome is a term used to describe:acute chest pressure or discomfort that subsides with rest or nitroglycerin.a clinical condition in which patients experience chest pain during exertion.any group of clinical symptoms consistent with acute myocardial ischemia.a sudden cardiac rhythm disturbance that causes a decrease in cardiac output.

any group of clinical symptoms consistent with acute myocardial ischemia.

which of the following medications is commonly given to patients with chest pain to prevent blood clots from forming or getting bigger?A. oxygen.B. aspirin.C. furosemide (Lasix)D. metoprolol (Toprol)

aspirin

upon arriving at the residence of a patient with possible cardiac problem, it is Most important to:A. assess the scene for potential hazards.B. gain immediate access to the patient.C. determine if you need additional help.D. request a paramedic unit for assistance.

assess the scene for potential hazards

narrowing of the coronary arteries caused by a buildup of fatty deposits is called:A. atherosclerosisB. arteriosclerosisC. angina pectoris.D. acute ischemia

atherosclerosis

A dissecting aortic aneurysm occurs when:Select one:a. the aorta ruptures, resulting in profound bleeding.b. all layers of the aorta suddenly contract.c. the inner layers of the aorta become separated.d. a weakened area develops in the aortic wall.

c. the inner layers of the aorta become separated

cardiogenic shock following AMI is caused by:A. decreased pumping force of the heart muscle.B. widespread dilation of the systemic vasculature.C. hypovolemia secondary to severe vomiting.D. a profound increase in the patients heart rate.

decreased pumping force of the heart muscle

which of the following signs is commonly observed in patients with right -sided heart failure?A. pulmonary edema.B. dependent edema.C. flat jugular veins.D. labored breathing.

dependent edema

prior to attaching the AED to a cardiac arrest patient , the EMT should:A. assess for a pulse for 20 seconds.B. dry the chest if it is wet.C. perform CPR for 30 seconds.D. contact medical control.

dry the chest if it is wet

The AED is most advantageous to the EMT because:A. it delivers an unlimited number of shocks with the same amount of energy.B. its use does not require the presence of advanced life support personnel.C. it delivers prompt defibrillation to patients with ventricular fibrillation.D. it is lightweight, easy to use, and safe for the EMT who is using it.

it delivers prompt defibrillation to patients with ventricular fibrillation

which of the following statements regarding nitroglycerin is correct?A. nitroglycerin should be administered between the cheek and gum.B. a maximum of five nitroglycerin doses should be given to a patient.C. nitroglycerin usually relieves anginal chest pain within 5 minutes.D. the potency of nitroglycerin is increased when exposed to light.

nitroglycerin usually relieves anginal chest pain within 5 minutes

when preparing to obtain a 12-lead ECG, the LL and RL electrodes should be placed:A. on either side of the chest .B. on the thighs or ankles.C. on the lower abdomen.D. anywhere on the arms.

on the thighs or ankles

which of the following blood vessels transports oxygenated blood?A. superior vena cava.B. pulmonary veins.C. pulmonary arteries.D. inferior vena cava.

pulmonary veins

deoxygenated blood from the body returns to the :A. left ventricleB. right ventricleC. right atriumD. left atrium

right atrium

the right coronary artery supplies blood to the :A. right atrium and posterior wall of the right ventricle.B. left ventricle and posterior wall of the right ventricle.C. left ventricle and inferior wall of the right atrium.D. right ventricle and inferior wall of the left ventricle.

right ventricle and inferior wall of the left ventricle

in contrast to the sympathetic nervous system, the parasympathetic nervous system:A. dilates the blood vessels in the muscles.B. causes an increase in the heart rate.C. slows the heart and respiratory rates.D. prepares the body to handle stress.

slows the heart and respiratory rates

most patients are instructed by their physician to take up to_____ doses of nitroglycerin before calling EMS.A. threeB. fourC. twoD. five

three

when documenting a patients description of his or her chest pain or discomfort , the EMT should:A. document his or her own perception.B. use the patients own words.C. underline the patients quotes.D. use medical terminology.

use the patients own words

the Most common reason that many people experiencing AMI do no seek immediate medical attention is because they:A. are in denial.B. do not trust EMTS.C. are elderly.D. cannot afford it.

A. are in denial.

What is the function of the left atrium?A. It ejects oxygenated blood into the aorta.B. It receives oxygenated blood from the lungs.C. It receives blood from the pulmonary arteries.D. It receives oxygenated blood from the vena cava

Answer: B. It receives oxygenated blood from the lungs

Nitroglycerin relieves cardiac-related chest pain by: A. constricting the coronary artiers and imroving cardiac blood flow B. increasing the amount of stress that is placed on the myocardium C. dilating the coronary arteries and improving cardiac blood flow. D. contracting the smooth uscle of the coronary and cerebral arteris

C. dilating the coronary arteries and improving cardiac blood flow.

Prior to defibrillating a patient with an AED, it is MOST important that you: A. properly postiton the defibrillation pads B. confrim that the patient is in cardiac arrest C. ensure that no one is touching the patient. D. perform up to 5 minutes of effective cpr

C. ensure that no one is touching the patient.

Which of the following veins is located inferior to the trunk?A. cephalicB. axillaryC. saphenousD. subclavian

C. saphenous

Sudden death following an AMI is MOST often caused by: Select one: A. severe bradycardia. B. congestive heart failure. C. cariogenic shock. D. ventricular fibrillation.

D. ventricular fibrillation.