Bio Lab Test 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

The left and right _______________ join to form the superior vena cava on the ___________________

A

The left and right Brachiocephalic Vein join to form the superior vena cava on the upper right side of the chest

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

The Brachiocephalic Veins are the majors veins returning blood to the _____________

A

The brachiocephalic veins are the major veins returning blood to the Superior Vena Cava

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

What is the cavity in the right atrium called?

A

Fossa Ovalis

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

Which feature of the heart separates the left and right ventricles?

A

Interventricular Septum

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

Muscle columns in the right and left ventricles are called _____________

A

Trabeculae Carneae

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

What is the function of the Trabeculae Carneae?

A

Trabeculae Carneae are muscles columns in the left and right ventricles; they work similarly to the papillary muscles where their contractions pull on the Chordae tendineae, preventing backflow towards the atria

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

Which structure of the heart is responsible for initiating the heartbeat and where is it located?

A

The Sinuatrial Node is responsible for initiating the heartbeat, and it’s located in the right atrium of the heart

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

The electrical impulses of the heart are controlled by special groups of cells called _________. What are two examples of such?

A

The electrical impulses of the heart are controlled by special groups of cells called nodes (example: atrioventricular node, sinuatrial node)

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

The __________ is responsible for the contraction of the upper heart chambers

A

The Sinuatrial Node is responsible for the contraction of the upper heart chambers (atria)

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

The __________ contracts the lower heart chambers, after the contraction of the upper heart chambers initiated by the__________

A

The Atrioventricular Node contracts the lower heart chambers (ventricles) after the Sinuatrial Node contracts the upper heart chambers (atria)

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

The heartbeat occurs in the following order:

  1. The _________ sends out electrical impulses, initiating the heartbeat
  2. The _________ contract
  3. The _______ sends an impulse to ___________
  4. The __________ contract or pump
  5. The ________ sends another signal to ____________ to contract, which starts the cycle over again
A

The heartbeat occurs in the following order:

  1. The Sinuatrial Node sends out electrical impulses, initiating the heartbeat
  2. The Upper Heart Chambers (Atria) contract
  3. The Atrioventricular Node sends an impulse to ventricles
  4. The lower heart chambers (ventricles) contract or pump
  5. The Sinuatrial Node sends another signal to the atria to contract, which starts the cycle over again
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Label the electrical impulse systems of the heart shown below

  1. ______________
  2. ______________
A
  1. Sinuatrial (SA) Node (The cardiac pacemaker)
  2. Atrioventricular (AV) Node
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The Posterior Interventricular Artery is a branch of the __________

A

The Posterior Interventricular Artery Is a branch of the Right Coronary Artery

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

What are the branches of the left coronary artery?

A

The anterior interventricular artery and the circumflex artery

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

The _______ is a blind pouch where the small intestine joins the large intestine

A

The Cecum is a blind pouch where the small intestine joins the large intestine.

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