Which of the following is classified as an inorganic compound?
A) glucose
B) triglyceride
C) water
D) protein
E) steroid
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Question 2) Which layer of a blood vessel contains smooth muscle and elastic fibers?
A) tunica intima
B) tunica externa
C) endothelium
D) tunica media
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Question 3) The movement of ions across plasma membranes is an example of ________.
A) radiant energy
B) chemical energy
C) electrical energy
D) mechanical energy
E) potential energy
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Question 4) At which intercostal space is the apex of the heart normally located?
A) third intercostal space
B) first intercostal space
C) sixth intercostal space
D) fifth intercostal space
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Question 5) Elements are composed of building blocks known as ________.
A) molecules
B) atoms
C) compounds
D) polymers
E) protons
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Question 6) Which two arteries merge on the posterior surface in the coronary sulcus?
A) circumflex and left marginal artery
B) circumflex and right coronary artery
C) right coronary artery and anterior interventricular artery
D) right coronary artery and posterior interventricular artery
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Question 7) Which of the following contains sodium?
A) H2O
B) NaCl
C) N2
D) CH4
E) H2SO4
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Question 8) A 53-year-old patient with a history of heart trouble has been having trouble breathing. It has been determined that his left ventricle is damaged. What is the name of his condition?
A) atrial septal defect
B) endocarditis
C) pericarditis
D) congestive heart failure
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Question 9) A nucleotide of DNA contain three components: ________, ________, and ________.
A) deoxyribose; a phosphate group; nitrogen-containing base
B) ribose; three phosphate groups; nitrogen-containing base
C) ribose; two phosphate groups; acid group
D) ribose; a phosphate group; nitrogen-containing base
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Question 10) Which of the following arteries would be found descending along the posterolateral wall of the left ventricle?
A) circumflex artery
B) anterior interventricular artery
C) posterior interventricular artery
D) left marginal artery
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