Lab Practical 2

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Identify the structure labeled A (Heart ppt.)

(SA) node

What two body systems are closely associated with the lymphatic system?

cardiovascular and immune

Cells joined by tight junctions

continuous capillaries

Lymph exits the lymph nodes through ________ lymphatic vessels.

efferent

Identify the blood vessel labeled C

Celiac trunk

Thickest tunic layer in artery is tunica ___

media

Which structure is highlighted in this section through a lymph node? (histology)

medullary cord

B cells differentiate into ____ and memory B cells.

plasma

Which of the following secretes antibodies?

plasma cells

Name the blood vessels of the body 1.

right common carotid artery

Discontinuous sheet of endothelium

sinusoidal capillaries

Name the blood vessels of the body 7.

superior vena cava

Blood pressure is recorded as ______ pressure over ______ pressure

systolic and diastolic

What does blood pressure (BP) measure?

the force of blood pushing against the walls of the blood vessels

What receives lymph from the entire left side of the body plus the right abdominopelvic area and lower extremity?

thoracic duct

Lymphatic vessels require ___ to prevent backflow

valves

Which blood vessel has thin walls with a large lumen, little smooth muscle, and valves?

vein

The pulse pressure is ___ mm Hg when blood measurement is 110/70 mm Hg.

40

Identify the structure labeled C (Heart ppt)

AV bundle

Which of the components of the cardiac conduction system barfly delays the signal from the pacemaker, so that the atria have time to fill the ventricles with blood, before the ventricles begin to contract?

AV node

Identify the blood vessel labeled E

Axillary vein

Which letter represents the QRS complex of the ECG?

B

Which letter represents the T wave of the ECG?

D

The ECG is a recording of an action potential of a single cardiac muscle cell

False

Identify the lymphatic organ

Lymph Node (histology)

Identify the structure labeled E. (lymphatic sys)

Peyer's patches

What component of an ECG represents ventricular depolarization?

QRS complex

Identify the blood vessel labeled A

Subclavian artery

Which of the following portions of the ECG represents ventricular repolarization?

The T wave

What happens to the heart rate as the R-R interval decreases?

The heart rate increases

Typically, the heart rate increases during inspiration, and decreases during expiration.

True

Identify the structure labeled B (lymphatic sys)

Thymus


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