A biphasic response to an antigen occurs when:
A. the acute response is sustained despite appropriate care.
B. an acute response is followed later by a delayed response.
C. there is no acute response but a delayed response hours later.
D. the acute response is rapidly corrected by the immune system. -
✅b. an acute response is followed later by a delayed response
As the first arriving emergency responder at the scene of a suspected terrorist or WMD incident,
you should request additional resources as needed and then :
a. carefully inspect the area for the presence of secondary explosive devices
b. function as the IC until additional personnel arrive
c. direct your partner to begin triaging patients as you call medical control
d. remain where you are until additional ambulances arrive at the scene -
✅b. function as the IC until additional personnel arrive
Who regulates the standards under which AEMTs provide emergency care?
a. National Registry of EMTs
b. National Association of EMTs
c. U.S. Department of Transportation
d. the state EMS office or agency -
✅d. the state EMS office or agency
Which of the following assessment findings is most indicative of a cardiovascular problem?
a. use of the accessory muscles
b. palpable pain to the epigastrium
c. jugular vein distention
d. unequal breath sounds -
✅c. jugular vein distention
Assessment of a patient's pelvis is appropriately performed by :
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,a. using a slight rocking motion
b. gently compressing it inward
c. firmly compressing to elicit crepitus
d. pushing inward while lifting the patient -
✅b. gently compressing it inward
The dose of epinephrine, via auto-injector, for patients who weigh more than 33 pounds is :
a. 1.5 mg
b. 0.15 mg
c. 3 mg
d. 0.3 mg -
✅d. 0.3 mg
0.15 mg is the Epi Jr. indicated for patients < 33 lbs (15 kg)
A 29-yo woman, who is 35 wks pregnant, is in cardiac arrest. You should :
a. manually displace her uterus to the left
b. defibrillate only one time with the AED
c. deliver each rescue breath over 2 to 3 seconds
d. perform chest compressions at a faster rate -
✅a. manually displace her uterus to the left
A 29-yo M has an anterior nosebleed after he was accidentally elbowed in the nose. He is conscious
and alert w/ adequate breathing. The most appropriate care for this pt includes :
a. applying a gauze pad in between his lower lip and gum
b. leaning him forward and pinching his nostrils together
c. packing the nasopharynx w/ moist, sterile dressings
d. placing him supine and pinching his nostrils together -
✅b. leaning him forward and pinching his nostrils together
Signs of a sudden severe upper airway obstruction include all of the following, EXCEPT :
a. forceful coughing
b. grasping the throat
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,c. acute cyanosis
d. inability to speak -
✅a. forceful coughing
Kussmaul respirations indicate that the respiratory system is :
a. excreting ketones from the blood
b. removing lactic acid from the body
c. compensating for severe hypoxia
d. trying to lower the blood's pH -
✅a. excreting ketones from the blood
Release of the adrenocorticotropic hormone (ACTH) is triggered by:
A. stress.
B. sleep.
C. hypothermia.
d. hyperglycemia -
✅A. stress.
During times of stress, the hypothalamus.....
(the sm. region of the brain - not gland - that stands as the link between the endocrine system and
the nervous system)
.....secretes a hormone that stimulates the anterior pituitary gland to release ACTH.
ACTH targets the adrenal cortex and causes it to secrete cortisol (a glucocorticoid)
Cortisol stimulates most body cells to increase their energy production
Oxygen and carbon dioxide pass the alveocapillary membrane through a process called :
a. diffusion
b. osmosis
c. perfusion
d. metabolism -
✅a. diffusion
A lack of oxygen or excess of carbon dioxide in the body that results in unconsciousness is called :
a. asphyxia
b. hypoxia
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, c. hypoxemia
d. hypercarbia -
✅a. asphyxia
- hypoxia : body's tissues and cells do not have enough oxygen
- hypoxemia : deficiency of oxygen in arterial blood
- hypercarbia : (aka hypercapnia) excess of carbon dioxide in the bloodstream
The _____________ layer is located at the base of the epidermis, and continuously produces new
cells that gradually rise to the surface
a. germinal
b. stratum corneal
c. subcutaneous
d. mucous membrane -
✅a. germinal
one of two layers of the epidermis; has a blood supply - below the germinal layer is the dermis
- stratum corneal : one of two layers of the epidermis - dead layer of skin; no blood supply. located
above the germinal layer
- subcutaneous : tissue, largely fat, that lies directly under the dermis and serves as an insulator of
the body
The most serious consequence of a poorly planned or rushed patient move is :
a. ceasing patient anxiety or fear
b. unnecessarily wasting time
c. injury to you or your patient
d. confusion among team members -
✅c. injury to you or your patient
The high normal body temperature for an infant is :
a. 99.6
b. 97.9
c. 98.5
d. 100.3 -
✅a. 99.6
INFANT = age 1 month - 1 year (Neonates are birth - 1 month)
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