Norepinephrine ______ insulin release, whereas epinephrine ________ insulin release.
inhibits; stimulates
stimulates; inhibits
One of the major causes of death in shock is myocardial deterioration. MDF (myocardial depressant factor) causes significant reduction in cardiac output in response to...
ischemia of the GI tract
reduction in blood volume
tissue hypoxia
hyperglycemia
From the following, select the correct clinical manifestations of shock (think compensatory mechanisms).
Hypertension
Hypotension
Tachypnea
Bradypnea
Tachycardia
Bradycardia
Anxiety, irritability
Decrease in urine output
Hypovolemic shock begins to develop when the intravascular volume has decreased by approximately ___
15%
50%
20%
5%
Which type of shock is most common in children?
Hypovolemic
Anaphylactic
Cardiogenic
Obstructive
If a patient has tension pneumothorax, which kind of shock are they most likely to develop?
Hemorrhagic
Septic
What is the number one cause of cardiogenic shock?
Myocardial infarction
Unstable angina
Pericarditis
Cardiac tamponade
A clinical manifestation of neurogenic shock is ________, whereas patients with cardiogenic and obstructive shock may present _________.
warm and flushed skin; cyanotic and mottled skin
cyanotic and mottled skin; warm and flushed skin
Not everyone who experiences anaphylaxis will have anaphylactic shock.
Which form of shock is the number one cause of death in ICU settings?
Hypotension is the hallmark clinical finding of which stage of shock?
Initial
Compensatory
Progressive
Irreversible
Which of the following are you most likely going to see in a person experiencing shock?
Metabolic acidosis
Metabolic alkalosis
Respiratory acidosis
Respiratory alkalosis
A decrease of systolic BP by more than __ mmHg with an increased heartrate by more than __ BPM indicates actual or relative hypovolemia requiring immediate assessment of need for fluid replacement and CV support.
20; 20
40; 20
10; 10
5; 10
A person with neurogenic shock initially exhibits...
hypertension
tachycardia
bradycardia
increased central venous pressure
How does any type of shock cause oliguria?
By stimulating the renin-angiotensin system
By decreasing the perfusion to the kidneys
By stimulating carotid and baroreceptors
By decreasing the PNS stimulation
What type of shock develops with overstimulation of the PNS or understimulation of the SNS?
Vasogenic
_________ shock is often more severe than other forms because of its sudden, rapid systemic vasodilation.
Neurogenic
What type of shock results from decreased systemic vascular resistance?
Heart failure
What are the primary goals for treatment of shock?
Maximizing oxygen delivery and minimizing oxygen demand
Maintaining hydration and adequate urinary output
Supporting all facets to the cardiovascular system
Maintaining all vital signs within normal ranges
To determine a client's response to fluid therapy for shock, the nurse should monitor...
hematocrit and hemoglobin levels
urine output and specific gravity
blood pressure and pulse
arterial blood gasses and heart rate
Which clinical manifestation of septic shock confirms an elevation in immune system response?
Increased white blood cell count
Low respiratory rate
Hypothermia
The release of catecholamines by the adrenal glands compensates for which initial effects of hypovolemic shock?
Interstitial fluid moves out of the vascular compartment
Systemic vascular resistance is decreased
Heart rate is increased
Water excretion is increased
Which condition is best defined as a clinical syndrome involving a systemic response to infection, which is manifested by two or more of the systemic inflammatory response syndrome criteria?
Bacteremia
Sepsis
Septicemia
Septic shock