Chapter 4 Flashcards

1
Q

________ is a progressive state of cellular hypo perfusion in which insufficient oxygen is available to meet tissue demands, which results in adequate energy production to perform cellular activities.

A

Shock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A complete heartbeat is called a __________.

A

cardiac cycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

_______ is the volume of blood that the heart can pump per minute.

A

Cardiac output

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The precontraction pressure is known as ________.

A

preload

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The force, or resistance against which the heart pumps is known as ________.

A

afterload

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The stroke volume of a healthy adult is typically about ____mL.

A

70

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The resistance of blood flow through the circulatory system is called ___________.

A

peripheral vascular resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The _________ are the first cellular components affected by shock.

A

mitochondria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In the aortic arch and carotid arteries, sympathetic nerve fibers called ______ constantly monitor arterial blood pressure.

A

baroreceptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The _______, located on top of the kidneys, release epinephrine and norepinephrine in response to declining cardiac output.

A

adrenal glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The anterior pituitary gland releases _______ in response to shock.

A

antidiuretic hormone (ADH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

__________ secretion also creates the sensation of thirst, one of the early signs of shock.

A

Aldosterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In hemorrhagic shock, decompensated shock occurs when blood volume drops by more than _____%.

A

30

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

_______ may be the last measurable factor to change in shock.

A

Blood pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Bright red blood in the stool indicates active bleeding from the _______ GI tract.

A

lower

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Dark red or maroon stool called ______ is due to upper GI bleeding.

17
Q

A weak, thready pulse is an indicator of __________.

A

hypoperfusion

18
Q

Because of an increase in a person’s metabolism during shock, ______ can become perilously low.

19
Q

It is preferred that the blood be typed and crossmatched, but if time does not allow, uncross matched type __________ can be given.

A

O-negative

20
Q

There are generally two complications of blood product administration:

A

infection

immune reactions

21
Q

Monitoring the patient’s ________ is a standard of care during blood administration.

A

temperature

22
Q

Shock can be categorized into four types:

A

hypovolemic
cardiogenic
obstructive
distributive

23
Q

In a healthy adult, ______% blood loss is well tolerated.

24
Q

__________ is highly characteristic of neurogenic shock.

A

Bradycardia

25
The most common cause of radiogenic shock, is myocardial infarction with greater than a ____% loss of heart muscle.
40
26
__________ shock occurs when blood flow to the great vessels or heart is occluded.
Obstructive
27
The most treatable cause of obstructive shock is ________.
tension pneumothorax
28
Late shock can trigger an overstimulation of the clotting cascade in which clotting and bleeding begin to occur simultaneously. This is known as ___________.
Disseminated Intravascular coagulation
29
_______ is a progressive condition characterized by combined failure or two more organs or organ systems that were initially unharmed by the acute disorder or injury that caused the patient's illness.
Multiple Organ Dysfunction Syndrome (MODS)
30
Up to 1 out of every 500 African-Americans will have this disorder which results in abnormal sickling of the red blood cells.
Sickle Cell Anemia
31
_________ occurs when the body has an abnormally low number of platelets in the blood.
Thrombocytopenia
32
_______ is a bleeding disorder that occurs when there is a deficiency in clotting factors, or proteins in the blood that work with platelets to help blood to clot.
Hemophilia