Unit 2 Review

Unit 2 Review

University

24 Qs

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Unit 2 Review

Unit 2 Review

Assessment

Quiz

Science

University

Practice Problem

Easy

Created by

Thomas Corrales

Used 3+ times

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24 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary function of red blood cells (erythrocytes)?

Oxygen transport

Nutrient absorption

Immune defense

Blood clotting

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is responsible for blood clotting and wound healing?

Platelets

White blood cells

Plasma

Red blood cells

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The heart's muscular wall, responsible for pumping blood, is called the:

Pericardium

Atrium

Ventriculus

Myocardium

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The heart's normal pacemaker, which initiates electrical impulses, is called the:

Atrioventricular (AV) node

Sinoatrial (SA) node

Bundle of His

Purkinje fibers

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which ECG wave corresponds to atrial depolarization?

P-wave

QRS complex

T-wave

U-wave

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an ECG, what does the QRS complex represent?

Atrial depolarization

Ventricular depolarization

Atrial repolarization

Ventricular repolarization

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cardiac output is defined as:

The volume of blood pumped per minute by each ventricle

The number of heartbeats per minute

The total blood volume in the circulatory system

The volume of blood returning to the heart

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