Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 48, Problem 8PL
The stroke volume is the amount of blood pumped by a ventricle in one minute.
a. True ________
b. False __________
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Identify the TRUE statement (s). There may be several correct answers.
A. An increased cardiac output is reflected in an elevated diastolic pressure.B. An increased cardiac output is reflected in a decreased diastolic pressure.C. An increase in the force of contraction produces an elevated systolic pressure.D. An increase in the force or ventricular contraction produces a decreased diastolic pressure.
Pulse pressure decreases when stroke volume increases.
A. FALSE
B. TRUE
Determine the collective TRUE-FALSE status of the statements using the options below.
I. From the AV node, the impulse travels to the bundle of His.
II. From the bundle of His, the impulse branches to the right and left bundles.
III. The impulse that travels to the Purkinje fibers causes the ventricles to contract.
IV. If the SA node fails to fire, the AV node automatically takes over at the same rate.
Only two (2) statements are true.
Only two (2) statements are true.
Only three (3) statements are true.
Only three (3) statements are true.
All statements are true.
All statements are true.
None of the statements is true.
None of the statements is true.
Only one (1) statement is true.
Chapter 48 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 48 - The _____________ is responsible for the pulse...Ch. 48 - Which of the following arteries would not be...Ch. 48 - The ___________ is the most common artery palpated...Ch. 48 - The ___________ is the standard artery used to...Ch. 48 - Prob. 5PLCh. 48 - Pulse pressure is the difference between the...Ch. 48 - The blood pressure in a capillary is higher than...Ch. 48 - The stroke volume is the amount of blood pumped by...Ch. 48 - Summarize the effects of body position and...Ch. 48 - Enter the initial measurements of blood pressure...
Ch. 48 - Prob. 2.2ACh. 48 - Summarize the effects of body position and...Ch. 48 - The maximum pressure achieved during ventricular...Ch. 48 - The lowest pressure that remains in the arterial...Ch. 48 - Prob. 3.3ACh. 48 - Prob. 3.4ACh. 48 - Prob. 3.5ACh. 48 - Prob. 3.6ACh. 48 - Prob. 3.7ACh. 48 - Prob. 3.8ACh. 48 - Prob. 3.9ACh. 48 - When a pulse is palpated and counted which...
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- Select the letter of the choice that best completes the statement. The treatment for conduction defect may includea. coronary bypass.b. cardiotonics.c. insertion of a pacemaker.d. angioplasty.arrow_forwardIndicate the correct order of the sequence of events occurring during congestive heart failure. Order the sentences (Hint: End with "g") This question is a great summary of what happens, in steps, in congestive heart failure. a. narrowed bicuspid valve makes the L atrium pump harder in order to "push" blood into the L ventricle through an opening that is too narrow. b. pressure of the extra, backed up blood in the lung creates pressure in the capillaries that begin to leak fluid into the lung. c. extra "left-over" blood in the atrium that has not descended into the ventricle after a beat has nowhere to go. d. congenital heart defect causes a narrowed bicuspid valve e. not all blood gets "pushed" from the L atrium to the L ventricle during a regular heart beat f. blood that backed up in the L atrium with nowhere to go backs up further, into the pulmonary veins and eventually into the lung g. the patient gets less oxygen with each breath, feels tired all the time and is…arrow_forwardChoose the letter of the correct answer. STATEMENT A B C D Arterial blood pressure is independent of Blood volume Heart rate Blood viscosity Influx of calcium ions Identify the TRUE statement(s). There may be several correct answers. An increased cardiac output is reflected in an elevated diastolic pressure. An increased cardiac output is reflected in a decreased diastolic pressure. An increase in the force of contraction produces an elevated systolic pressure. An increase in the force of ventricular contraction produces decreased diastolic pressure. In the absence of compensations, the stroke volume will decrease when Blood volume increases Venous return increases Contractility increases Arterial blood pressure increasesarrow_forward
- Fill in the blank: The QRS complex corresponds to depolarization of the muscle fibers of the _______________________.arrow_forwardWhich of the following protects the heart? a. visceral pericardium b. parietal pericardiumarrow_forwardSelect the letter of the choice that best completes the statement. The pacemaker of the heart is known as thea. SA node.b. AV node.c. bundle branches.d. Purkinje fibers.arrow_forward
- Select the letter of the choice that best completes the statement. The valve between the right atrium and the right ventricle is called the a. tricuspid valve. b. aortic semilunar valve. c. bicuspid valve. d. pulmonary semilunar valve.arrow_forwardSelect the letter of the choice that best completes the statement. A heart rate below 60 is calleda. bradycardia.b. tachycardia.c. arrhythmia.d. murmur.arrow_forwardThe QRS-complex of the ECG is generated by the depolarization of the AV-Node & Ventricular Myocardium. A. true B. falsearrow_forward
- Fill in the blank: The period during which a heart chamber is contracting is called _______________________.arrow_forwardSelect the letter of the choice that best completes the statement. The thinning and ballooning of an artery is calleda. aneurysm.b. arteriosclerosis.c. phlebitis.d. atherosclerosis.arrow_forwardFill in the blank: During ventricular relaxation, the A-V valves remain _______________________.arrow_forward
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