The Human Body
What is the natural Pacemaker of the Heart
A. A.V.node
B. S.A.node
C. Perkinje Fibers
D. Bundle of His
B. S.A. node
The wrist is ________ to the elbow.
A) distal
B) lateral
C) medial
D) proximal
A. distal
Which of the following actions would you not perform during the scene size-up?
A) Determine the number of patients.
B) Request a hazardous materials team.
C) Evaluate exterior damage to a car.
D) Assess a patient's breathing effort.
D) Assess a patient's breathing effort.
Breathing is often more labor intensive in older adults because the:
A) elasticity of the lungs decreases.
B) surface area of the alveoli increases.
C) overall size of the airway decreases.
D) diaphragm and intercostal muscles enlarge.
A) elasticity of the lungs decreases.
A 70-year-old male with a history of esophageal cancer is unresponsive with slow, shallow respirations. Appropriate airway management for this patient includes:
A) inserting an oral airway and ventilating with a bag-mask device.
B) preoxygenation with a BVM device and insertion of a Combitube.
C) inserting a nasal airway and administering oxygen via nonrebreathing mask.
D) inserting an esophageal airway and requesting a paramedic to intubate the patient.
A) inserting an oral airway and ventilating with a bag-mask device.
The heart muscle lies within a space in the thoracic cavity called the:
A) mediastinum.
B) hemithorax.
C) pericardium.
D) endocardium.
A) mediastinum.
In the anatomic position, moving the distal point of an extremity toward the trunk is usually called:
A) flexion.
B) adduction.
C) abduction.
D) extension.
A) flexion.
Proper use of personal protective equipment (PPE) will:
A) reduce your risk of an infectious exposure.
B) prevent you from being stuck with a needle.
C) eliminate the possibility of contracting a disease.
D) negate the need for hazardous material decontamination.
A) reduce your risk of an infectious exposure.
You are assessing a 13-month-old female who is running a fever and has been vomiting. While you are performing your physical examination on this child, you will most likely find that she:
A) is unable to track your movements with her eyes.
B) responds to her name but is fearful of your presence.
C) will readily allow you to separate her from her mother.
D) has bulging fontanelles secondary to severe dehydration.
B) responds to her name but is fearful of your presence.
You are ventilating a trauma patient with a bag-mask device but are having difficulty maintaining an effective mask seal. Prior to inserting the King LT airway, you should:
A) protect the patient's spine as you position his head.
B) measure the device from the corner of the mouth to the ear.
C) flex the patient's head to facilitate insertion of the device.
D) logroll the patient and suction his airway for 15 seconds.
A) protect the patient's spine as you position his head.
White blood cells are also known as:
A) thrombocytes.
B) erythrocytes.
C) leukocytes.
D) granulocytes.
C) leukocytes.
The prefix melan- is used to describe something that is:
A) large.
B) small.
C) black.
D) abnormal.
C. black.
Upon arriving at the scene of a motor-vehicle crash involving two cars, you see an unconscious patient still in his vehicle, but cannot see the occupant of the other car. Your most appropriate initial action should be to:
A) gain access to the unconscious patient.
B) request at least one additional ambulance.
C) locate all patients before requesting assistance.
D) notify law enforcement to search for another patient.
B) request at least one additional ambulance.
Infants are often referred to as “belly breathers” because:
A) their rib cage is less rigid and the ribs sit horizontally.
B) an infant's ribs are brittle and are less able to expand.
C) their intercostal muscles are not functional at an early age.
D) their diaphragm does not receive impulses from the brain.
A) their rib cage is less rigid and the ribs sit horizontally.
The normal respiratory rate for an adult ranges from:
A) 8 to 10 breaths/min.
B) 10 to 12 breaths/min.
C) 12 to 15 breaths/min.
D) 12 to 20 breaths/min.
D) 12 to 20 breaths/min.
A patient was struck in the right lower anterior chest with a baseball bat. In addition to fractured ribs, you should be suspicious of injury to the
A) spleen. B) liver. C) pancreas. D) stomach.
B. LIVER
An unconscious, adequately breathing patient should be placed in the recovery position, which is:
A) supine.
B) prone.
C) semi-sitting.
D) laterally recumbent.
D. laterally recumbent
When a section of the ribs has been fractured, the injured section falls during inspiration and bulges during expiration. This is called:
A) apical chest movement.
B) paradoxical chest movement.
C) asymmetrical chest movement.
D) symmetrical chest movement.
B) paradoxical chest movement.
A body temperature of 99.4°F in a 2-year-old child:
A) is a low-grade fever.
B) suggests an infection.
C) often causes a seizure.
D) is normal for his or her age.
D) is normal for his or her age.
Which of the following statements regarding the nonrebreathing mask is incorrect?
A) It can deliver an FiO2 of up to 90%.
B) It increases a patient's tidal volume.
C) It is of no benefit to an apneic patient.
D) It delivers passive oxygen to the patient.
B) It increases a patient's tidal volume.
The germinal layer contains cells that produce pigment granules, which help to produce:
A) sweat.
B) sebum.
C) skin color.
D) fatty tissue.
C) skin color.
The prefix ortho- means:
A) bone.
B) deform.
C) straight.
D) forward.
C. Straight
Prefix meaning straight or erect -Yeah google it
A patient who remains flaccid without moving or making a sound with no indication of hearing you:
A) requires assisted ventilation.
B) is considered unresponsive.
C) needs advanced airway care.
D) likely requires defibrillation.
B) is considered unresponsive.
You are dispatched to a call for a 4-month-old infant with respiratory distress. While you prepare to care for this child, you must remember that:
A) small infants are nose breathers and require clear nasal passages at all times.
B) assisted ventilations in infants often need to be forceful to inflate their lungs.
C) the infant's proportionately small tongue often causes an airway obstruction.
D) an infant's head should be placed in a flexed position to prevent obstruction.
A) small infants are nose breathers and require clear nasal passages at all times.
Unresponsive patients most often experience airway obstructions from:
A) coagulated blood or thick mucus in the mouth.
B) occlusion of the posterior pharynx by the tongue.
C) loose dentures that fall back into the posterior pharynx.
D) foreign bodies, such as food, that block the glottic opening.
B) occlusion of the posterior pharynx by the tongue.