EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 7, Problem 11SQ
Summary Introduction
To match: The three circulation components with their descriptions.
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Students have asked these similar questions
During diastole the blood pressure in the left ventricle is _______.
A
lower than the pressure in the left atrium so the ventricle can fill
B
greater than the pressure in the aorta so blood can be ejected
C
equal to the diastolic blood pressure measured in the arm
The cardiologist used a stethoscope to listen to your heart. He heart rapidly beating sound or irregular rhythm. The EKG showed an irregularly irregular rhythm. What can you deduce?
a
This is normal and benign.
b
This is not normal but not fatal.
c
This is solved with anti hypertensive medication.
d
This is possibly fatal.
Medication to treat congestive heart failure include all except
A. Angiotensin converting enzyme inhibitors
B. Vasoconstrictors
C. Beta blockers and calcium channel blockers
D. Massive fluids
Choose the correct answer
Chapter 7 Solutions
EBK HUMAN BIOLOGY
Ch. 7 - List the functions of the cardiovascular system.Ch. 7 - Define a heartbeat, giving the sequence of events...Ch. 7 - What is the difference between the systemic and...Ch. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - State the main functions of venules and veins....Ch. 7 - Label the hearts main parts in the diagram below.Ch. 7 - Cells obtain nutrients from and deposit waste into...Ch. 7 - The contraction phase of the heartbeat is ______;...Ch. 7 - Prob. 3SQ
Ch. 7 - In the systemic circuit, the hearts _______ half...Ch. 7 - After you eat, blood passing through the GI tract...Ch. 7 - Prob. 6SQCh. 7 - Prob. 7SQCh. 7 - Prob. 8SQCh. 7 - _____ contraction drives blood through the...Ch. 7 - Match the type of blood vessel with its major...Ch. 7 - Prob. 11SQCh. 7 - A patient suffering from hypertension may receive...Ch. 7 - Heavy smokers often develop abnormally high blood...Ch. 7 - Prob. 3CTCh. 7 - Several years ago the deaths of several airline...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Match the terms with their descriptions. ____capillary a. filters out pathogens ____lymph node b. cardiac pacemaker ____atrium c. blood vessel with valves ____ventricle d. largest artery ____SA node e. receives blood from veins ____vein f. exchange site ____aorta g. receives blood from atriumarrow_forwardA membrane called the _____ covers the heart. A membrane superficial to this membrane is the _____. A parietal pericardium; visceral pericardium B visceral pericardium; parietal pericardium C fibrous pericardium; endocardium D endocardium; parietal peritoneumarrow_forwardWhich of the following is NOT a population of pacemaker cells in the heart? a. papillary muscles b. sinoatrial (SA) node c. atrioventricular (AV) node d. Purkinje fiber systemarrow_forward
- Most blood flowing in all of the following arteries except the _____ is destined to circulate through the brain before returning to the heart:- a. vertebral arteries b. internal carotid arteries c. basilar artery d. superficial temporal artery e. anterior communicating arteryarrow_forwardA. Muscles around the arterioles dictates where blood flows in the body…why is this useful? B. All hearts have at least one thinner walled chamber where blood collects called the ____________ and at least one thicker-muscled chamber that squeezes blood out of the heart: v________________. C. The blood that flows from the heart into the gills or lungs is in the _______________ circuit; the blood that flows from the heart to the rest of the body is in the ________________ circuit.arrow_forwardThe inferior vena cava brings blood from the lower regions of the body and empties into the __________. A left atrium B aorta C left ventricle D right atrium E right ventriclearrow_forward
- All of the following are correct about the isovolumetric contraction, except ____________. A. This phase of the cardiac cycle begins with the appearance of the QRS complex of the ECG, which represents atrial repolarization and ventricular depolarization B. It represents the time period between the closure of the AV valves and the opening of the aortic and pulmonic valves, ventricular pressure rises rapidly without a change in ventricular volume C. The rate of pressure increase in the ventricles is determined by the rate of contraction of the muscle fibers, which is determine by mechanisms governing excitation-contraction coupling D. Ventricular chamber geometry changes considerably as the heart becomes more spheroid in shape; circumference increases and atrial base-to-apex length increasesarrow_forwardWhich of the following conditions might result in the back flow of blood through a weakened mitral valve? Group of answer choices a. High pressure in the left ventricle, low pressure in the left atrium b. High pressure in the left atrium, low pressure in the left ventricle c. High pressure in the right ventricle, low pressure in the right atrium d. High pressure in the right atrium, low pressure in the right ventriclearrow_forwardThe left ventricular wall of the heart is thicker than the right wall in order to ________. A accommodate a greater volume of blood B expand the thoracic cage during diastole C pump blood with greater pressure D pump blood through a smaller valvearrow_forward
- The cardiac plateau is mediated by ________ and it________ ventricular repolarization. Group of answer choices a. Sodium influx, prolongs b. Calcium influx, delays c. Sodium influx, delays d. Calcium influx, initiatesarrow_forwardWithin the T-P interval of the EKG... a. The 2nd heart sound is heard b. the semilunar valves are open c. Ventricular pressure is higher than atrial pressure d. Ventricular cardiomyocytes are relaxed e. L-type calcium current is dominant in the ventricular cardiomyocytesarrow_forward
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