Quiz: Anatomy_Lab8

Question 1

1. Blood leaving the right atrium passes through the _________ ________ valve.

Choices:

• right atrioventricular

Answers:

• right atrioventricular

Comments:

• Correct
• That's right! The right atrioventricular (AV) valve controls blood flow from the right atrium to right ventricle.
• Continue

Question 2

2. The right side of the heart pumps blood into the _____________ circulation.

Choices:

• pulmonary

Answers:

• pulmonary

Comments:

• Correct
• That's right! Blood from the right ventricle is pumped into the pulmonary circulation.
• Continue

Question 3

3. The superficial cardiac plexus is located between the ________ ________ and the ________ __________.

Choices:

• aortic arch pulmonary trunk
• pulmonary trunk aortic arch

Answers:

• aortic arch pulmonary trunk
• pulmonary trunk aortic arch

Comments:

• Correct
• That's right! The superficial cardiac plexus contains both sympathetic and parasympathetic fibers and is located between the aortic arch and the pulmonary trunk.
• Continue

Question 4

4. Ventricular systole causes the semilunar valves to ___________ (open/close).

Choices:

• open

Answers:

• open

Comments:

• Correct
• That's right! Ventricular systole causes the semilunar valves of efferent vessels (aorta, pulmonary trunk) to open.
• Continue

Question 5

5. The second heart sound, “dub”, occurs at the beginning of ventricular ____________ (systole or diastole).

Choices:

• diastole

Answers:

• diastole

Comments:

• Correct
• That's right! At the beginning of diastole, the reversed pressure differential between the ventricle and efferent vessels results in blood filling the sinuses of the semilunar valves. Closure of the valves results in the ‘dub’ sound.
• Continue

Question 6

6. The cardiac plexus receives parasympathetic fibres from the ________ nerve.

Choices:

• vagus

Answers:

• vagus

Comments:

• Correct
• That's right! The vagus nerve (CN X) provides parasympathetic innervation to the heart. It’s fibres join with the sympathetic fibres to form cardiac plexus.
• Continue

Question 7

7. The first heart sound, “lub”, is caused by the closure of the ___________ valves (atrioventricular or semilunar).

Choices:

• atrioventricular

Answers:

• atrioventricular

Comments:

• Correct
• That's right! Closure of the atrioventricular valves during ventricular systole causes in the ‘lub’ sound.
• Continue

Question 8

8. Place the structures comprising the conducting system of the heart in the correct order.

Choices:

• Sinoatrial (SA) node
• Atrioventricular (AV) node
• Atrioventricular (AV) bundle
• Bundle branches
• Purkinje fibres

Answers:

• Sinoatrial (SA) node
• Atrioventricular (AV) node
• Atrioventricular (AV) bundle
• Bundle branches
• Purkinje fibres

Comments:

• Correct
• That's right! The conducting system of the heart in order is: SA node –> AV node –> AV bundle –> Bundle branches -> Purkinje fibers.
• Continue

Question 9

9. Blood leaving the left ventricle passes through the ________ _______ valve.

Choices:

• aortic semilunar

Answers:

• aortic semilunar

Comments:

• Correct
• That's right! Blood from left ventricle enters the aorta by passing through the aortic semilunar valve.
• Continue

Question 10

10. Blood leaving the left atrium passes through the ________ _______ valve.

Choices:

• left atrioventricular

Answers:

• left atrioventricular

Comments:

• Correct
• That's right! Blood travels from the left atrium to the left ventricle by passing through the left atrioventricular valve.
• Continue

Question 11

11. The first heart sound, “lub”, occurs at the beginning of ____________ (systole or diastole).

Choices:

• systole

Answers:

• systole

Comments:

• Correct
• That's right! Closing of the atrioventricular valve at the beginning of ventricular systole creates the ‘lub’ sound.
• Continue

Question 12

12. Blood leaving the right ventricle passes through the ________ _______ valve.

Choices:

• pulmonary semilunar

Answers:

• pulmonary semilunar

Comments:

• Correct
• That's right! Blood leaving the right ventricle passes through the pulmonary semilunar valve into the pulmonary trunk.
• Continue

Question 13

13. The deep cardiac plexus is located between the ________ ________ and the ________ __________.

Choices:

• aortic arch tracheal bifurcation
• tracheal bifurcation aortic arch

Answers:

• aortic arch tracheal bifurcation
• tracheal bifurcation aortic arch

Comments:

• Correct
• That's right! The deep cardiac plexus is located between the aortic arch and the tracheal bifurcation.
• Continue

Question 14

14. Sympathetic preganglionic neurons innervating the heart are located in spinal levels T___ to T___. (two numbers separated by one space)

Choices:

• 1 4
• 1 5

Answers:

• 1 4
• 1 5

Comments:

• Correct
• That's right! Sympathetic preganglionic neurons innervating the heart are located in T1 to T4/5 spinal levels.
• Continue

Question 15

15. Ventricular systole causes the atrioventricular valves to ________ (open/close).

Choices:

• close

Answers:

• close

Comments:

• Correct
• That's right! Ventricular systole causes the atrioventricular valves to close. This prevents backflow of blood from the ventricle into the atrium.
• Continue

Question 16

16. Ventricular systole causes the semilunar valves to ___________ (open/close).

Choices:

• open

Answers:

• open

Comments:

• Correct
• That's right! Ventricular systole causes the semilunar valves to open. This allows blood to enter into the pulmonary or systemic circulation.
• Continue

Question 17

17. The left side of the heart pumps blood into the _____________ circulation.

Choices:

• systemic

Answers:

• systemic

Comments:

• Correct
• That's right! The left ventricle pumps oxygenated blood into the aorta for systemic distribution.
• Continue

Question 18

18. Ischemia is a lack of ____________ supply and infarction is a lack of _________ supply. (two words separated by one space)

Choices:

• oxygen blood

Answers:

• oxygen blood

Comments:

• Correct
• That's right! Ischemia is a lack of oxygen supply which can occur during a cardiac infarction (= lack of blood supply to the heart).
• Continue

Question 19

19. The deep fascia of the forearm is called the _______________ fascia.

Choices:

• antebrachial

Answers:

• antebrachial

Comments:

• Correct
• That's right! The deep fascia of the forearm is the antebrachial fascia. (ante = in front of/before, brachium = arm)
• Continue

Question 20

20. The deep fascia of the arm is called the _______________ fascia.

Choices:

• brachial

Answers:

• brachial

Comments:

• Correct
• That's right! The brachial fascia is the deep fascia of the arm.
• Continue

Question 21

21. The superficial vein located on the medial aspect of the arm is the _______________ vein.

Choices:

• basilic

Answers:

• basilic

Comments:

• Correct
• That's right! The basilic vein is the superficial vein that travels along the medial aspect of the arm. It pierces through the brachial fascia and unites with the brachial vein (a deep vein).
• Continue

Question 22

22. An extension of dense connective tissue from the deep fascia of a limb to the bone is called a _______________.

Choices:

• septa

Answers:

• septa

Comments:

• Correct
• That's right! Septa is an extension of the deep fascia of a limb. Septae create fascial compartments.
• Continue

Question 23

23. A common site of short-term venous cannulation is the ___________ vein of the upper limb.

Choices:

• cephalic

Answers:

• cephalic

Comments:

• Correct
• That's right! The cephalic vein can be easily located at the anatomical snuffbox. This vein is a common site for short term venous cannulation.
• Continue

Question 24

24. The radius and ulna are joined by a sheet of dense connective tissue called the _______________ _______________ membrane.

Choices:

• antebrachial interosseous

Answers:

• antebrachial interosseous

Comments:

• Correct
• That's right! The radius and ulna are joined by the antebrachial interosseous membrane.
• Continue

Question 1

1. Identify artery A.

Choices:

• posterior interventricular
• posterior interventricular artery

Answers:

• posterior interventricular
• posterior interventricular artery

Comments:

• Correct
• That's right! Artery ‘A’ is the posterior interventricular artery.
• Continue

Question 2

2. Identify vein B.

Choices:

• middle cardiac vein
• middle cardiac

Answers:

• middle cardiac vein
• middle cardiac

Comments:

• Correct
• That's right! Vein ‘B’ is the middle cardiac vein, which runs beside the posterior interventricular artery .
• Continue

Question 3

3. Identify artery A.

Choices:

• pulmonary trunk
• pulmonary artery

Answers:

• pulmonary trunk
• pulmonary artery

Comments:

• Correct
• That's right! Artery ‘A’ is the pulmonary trunk. Pulmonary trunk receives blood from right ventricle and bifurcates into pulmonary arteries.
• Continue

Question 4

4. Identify structure B. Be specific.

Choices:

• right auricle
• right atrial appendage
• auricle of right atrium

Answers:

• right auricle
• right atrial appendage
• auricle of right atrium

Comments:

• Correct
• That's right! The right atrial auricle/appendage is the remnant of primitive atrium during embryological development.
• Continue

Question 5

5. Identify vessel A.

Choices:

• left coronary artery
• left coronary

Answers:

• left coronary artery
• left coronary

Comments:

• Correct
• That's right! Vessel A is the left coronary artery. Coronary artery arises from the aorta at the level of the aortic sinuses. By identifying the pulmonary trunk and the right atrium, we know that ‘A’ is located on the left side.
• Continue

Question 6

6. Identify structure B. Be specific.

Choices:

• right semilunar cusp of aortic valve
• right semilunar cusp

Answers:

• right semilunar cusp of aortic valve
• right semilunar cusp

Comments:

• Correct
• That's right! Structure B is the right semilunar cusp. Note that there are 3 semilunar cusps: right, left and posterior.
• Continue

Question 1

1. Identify A.

Choices:

• radial tuberosity
• radial tuberosity of radius

Answers:

• radial tuberosity
• radial tuberosity of radius

Comments:

• Correct
• That's right! ‘A’ is the radial tuberosity.
• Continue

Question 2

2. Identify B.

Choices:

• trochlear notch

Answers:

• trochlear notch

Comments:

• Correct
• That's right! ‘B’ is the trochlear notch.
• Continue

Question 3

3. Identify A.

Choices:

• coracoid process

Answers:

• coracoid process

Comments:

• Correct
• That's right! ‘A’ is the coracoid process.
• Continue

Question 4

4. Identify B.

Choices:

• acromion

Answers:

• acromion

Comments:

• Correct
• That's right! ‘B’ is the acromion.
• Continue

Question 5

5. Identify A.

Choices:

• medial epicondyle
• medial epicondyle of the humerus

Answers:

• medial epicondyle
• medial epicondyle of the humerus

Comments:

• Correct
• That's right! ‘A’ is the medial epicondyle of the humerus.
• Continue

Question 6

6. Identify B.

Choices:

• surgical neck
• surgical neck of the humerus

Answers:

• surgical neck
• surgical neck of the humerus

Comments:

• Correct
• That's right! ‘B’ is the surgical neck of the humerus.
• Continue

Question 7

7. Identify A.

Choices:

• pisiform

Answers:

• pisiform

Comments:

• Correct
• That's right! ‘A’ is the pisiform.
• Continue

Question 8

8. Identify B.

Choices:

• middle phalanx of 2nd digit
• middle phalanx
• middle phalanx of second digit

Answers:

• middle phalanx of 2nd digit
• middle phalanx
• middle phalanx of second digit

Comments:

• Correct
• That's right! ‘B’ is the middle phalanx of the 2nd digit.
• Continue

Question 1

1. Identify artery A.

Choices:

• ulnar
• ulnar artery

Answers:

• ulnar
• ulnar artery

Comments:

• Correct
• That's right! Artery ‘A’ is the ulnar artery. Remember that ulnar artery runs on the medial side, the side where your pinky finger locates.
• Continue

Question 2

2. Identify artery B.

Choices:

• radial
• radial artery

Answers:

• radial
• radial artery

Comments:

• Correct
• That's right! Artery ‘B’ is the radial artery. Remember that radial artery runs on the lateral side, the side where your thumb locates.
• Continue

Question 3

3. Identify artery A.

Choices:

• axillary
• axillary artery

Answers:

• axillary
• axillary artery

Comments:

• Correct
• That's right! Artery ‘A’ is the axillary artery. It is the continuation of the subclavian artery in the axilla.
• Continue

Question 4

4. Identify artery B.

Choices:

• brachial
• brachial artery

Answers:

• brachial
• brachial artery

Comments:

• Correct
• That's right! Artery ‘B’ is the brachial artery. It is the continuation of axillary artery in the arm.
• Continue

Question 5

5. The pulse of artery B is weak. What is the next, more proximal pulse that you can check to investigate the location of a possible obstruction?

Choices:

• brachial pulse
• brachial

Answers:

• brachial pulse
• brachial

Comments:

• Correct
• That's right! When your radial pulse is weak, the next proximal pulse will be the brachial pulse.
• Continue

Question 1

1. Identify muscle A.

Choices:

• anterior papillary muscle
• anterior papillary
• the anterior papillary muscle
• the anterior papillary

Answers:

• anterior papillary muscle
• anterior papillary
• the anterior papillary muscle
• the anterior papillary

Comments:

• Correct
• That's right! Muscle ‘A’ is the anterior papillary muscle.
• Continue

Question 2

2. Identify structure B.

Choices:

• aortic valve
• semilunar valve
• aortic semilunar valve

Answers:

• aortic valve
• semilunar valve
• aortic semilunar valve

Comments:

• Correct
• That's right! Structure B is the aortic semilunar valve. You can tell it is the left ventricle due to the thick ventricular wall.
• Continue

Question 3

3. Identify the chamber of the heart.

Choices:

• left ventricle
• the left ventricle

Answers:

• left ventricle
• the left ventricle

Comments:

• Correct
• That's right! The image is illustrating the left ventricle. Left ventricle has thicker ventricular wall and coarser trabeculae carnae.
• Continue

Question 4

4. Identify the chamber of the heart.

Choices:

• right ventricle
• the right ventricle

Answers:

• right ventricle
• the right ventricle

Comments:

• Correct
• That's right! The image is illustrating the right ventricle. Right ventricle has thinner ventricular wall and you can differentiate ventricle from atrium as only ventricle has papillary muscles that attach to chordae tendineae.
• Continue

Question 5

5. Identify A.

Choices:

• chordae tendineae

Answers:

• chordae tendineae

Comments:

• Correct
• That's right! ‘A’ is the chordae tendineae. These are fibrous bands that connect the AV valves to the papillary muscles, which in turn anchor to the ventricular wall.
• Continue