ch20 - Exam Name MULTIPLE CHOICE Choose the one alternative...

This preview shows page 1 - 2 out of 30 pages.

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Artery is to ________ as vein is to ________. 1) A) efferent; afferent B) afferent; efferent C) efferent; away D) afferent; away E) toward; away 2) The heart beats approximately ________ times each day. 2) 3) The heart pumps approximately ________ liters of blood each day. 3) 4) Excess fluid in the ________ causes cardiac tamponade. 4) A) pericardial cavity B) visceral pericardium C) both atria D) apex of heart E) left ventricle 5) Tetanic muscle contractions don't occur in a normal cardiac muscle because 5) A) the refractory period ends before the muscle reaches peak tension. B) potassium channels outnumber sodium channels. C) cardiac muscle tissue contracts on its own. D) neural stimulation is lacking. E) the refractory period lasts until the muscle relaxes. 6) The adult heart is roughly the size of 6) 7) Which of the following descriptions matches the term near the left fifth intercostal space? 7) A) visceral pericardium B) apex of heart C) pericardial cavity D) right atrium E) aorta 1
Image of page 1

Subscribe to view the full document.

8) The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as 8) 9) The interventricular sulci and coronary sulcus 9) 10) The structure that permits blood flow from the right atrium to the left atrium in the fetal circulation is the 10) 11) Blood leaves the right ventricle by passing through the 11) A) pulmonary valve. B) tricuspid valve. C) mitral valve. D) bicuspid valve. E) aortic valve. 12) Intercalated discs serve to transfer ________ from cell to cell. 12) 13) Cardiac muscle cells and skeletal muscle cells differ in a few ways. Which of the following is not one of them? 13)
Image of page 2
You've reached the end of this preview.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern