- A hypotonic solution is defined as a solution having:
Your answer:
a concentration the same as that in the cells
a concentration higher than that in the cells
none of the above adequately defines the term
a concentration lower than that in the cells
- The S1 heart sound is caused by closure of the:
Your answer:
tricuspid valve and aortic valve
semilunar valves
atrioventricular valves
nitral valve and pulmonic valve
- When a myocardial fiber is at rest the charge within the cell is:
Your answer:
polarized
negative
depolarized
positive
- The presence of S3 heart sounds is associated with:
Your answer:
cardiac tamponade
aortic aneurysm
bundle branch block
congestive heart failure
- Which factor is common to all forms of shock?
Your answer:
inadequate tissue perfusion
tachypnea
hypovolemia
tachycardia
- If a patient apical pulse is 130, and their radial pulse rate is 96, what is this referred to?
Your answer:
pulse difference
pulse deficit
circulatory gap
pulsis paradoxis
- You are attempting to intubate a pediatric patient. Your best guide in choosing the correct size tube is:
Your answer:
the patient's weight
the patient's general appearance
the patient's little finger
the patient's ring finger
- Which of the following is a re-entry rhythm?
Your answer:
sinus tachycardia
atrial tachycardia
idioventricular
junctional rhythm
- Stimulation of the beta receptors causes:
Your answer:
bronchial constriction and tachycardia
increased heart rate and force of contraction
increased vasular resistance and vasocontriction
decreased cardiac oxygen consumption
- The range of a partable radio transmitter/receiver is somewhat limited. The range can be extended by the use of a(n):
Your answer:
telephone
base station
repeater
amplifier
- The proper dose of pediatric epinephrine 1:1000 for an asthma attack would be:
Your answer:
0.1 mg/kg
.01 mg/kg
.001 mg/kg
10 mg/kg
- The paramedic's best defense in the event of legal proceedings is:
Your answer:
professional liability insurance
a lawyer
a detailed medical recond
the medical director
- You have been ordered to give a patient 7 mcg/min of isuprell. Mix 1 mg in 250 ml of D5W and use a microdrip. What drip rate is needed?
Your answer:
28 gtts/min
90 gtts/min
105 gtts/min
210 gtts/min
- The normal PR interval is ______ seconds.
Your answer:
0.12-0.20
0.4-0.12
0.2-0.4
0.1-0.20
- The purkinge system has an intrinsic firing rate of:
Your answer:
10-20 mins
20-40 min
40-60 min
60-70 min
- A possible complication of the PASG is:
Your answer:
increased bleeding under the suit
decreased ventilation
gastric dilatation
reduced venous return to the heart
- Which of the following is a result of a serious insulin deficit?
Your answer:
metabolic acidosis
respiratory alkalosis
respiratory acidosis
metabolic acidosis
- Which of the following is the earliest sign of shock?
Your answer:
hypotension
restlessness
cyanosis
cool clammy skin
- The fluid portion of blood is the:
Your answer:
plasma
leukocyte
albumin
erythrocyte
- Which aspect of the physical exam is least helpful in the field?
Your answer:
pupillary response
ability to follow simple commands
deep tendon reflex
movement of extremities
- The usual dose of isuprell when given as a drip is:
Your answer:
2 mg in 500 ml D5W
1 mg in 1000 mg of D5W
0.2 mg in 500 ml of D5W
20 mg in 500 ml D5W
- Airway obstruction can be caused by:
Your answer:
dorsal flexion
lateral extension
ventral flexion
ventral extension
- What is the primary drug given to correct ventricular fibrillation?
Your answer:
inderal
lidocaine
lasix
atropine
- Which is the correct area for decompression of a tension pneumothorax?
Your answer:
2nd intercostal space, mid-clavicular line
4th intercostal space, mid-clavicular line
3rd intercostal space, mid-axillary line
2nd intercostal space, mid-axillary line
- Insulin is secreted by the:
Your answer:
superior testines
islets of Langerhans
adrenal glands
gall bladder