MCQ Answers:
e) all of the above
d) excretion
d) cardiovascular system
d) respiratory system
e) respiratory system
b) Homeostasis
d) positive feedback
c) produces a more rapid response to body changes than the nervous system
c) distal
c) thoracic; abdominopelvic
a) neutrons in the nucleus
b) neutral
e) all of the above
e) extracellular fluid
b) they are used as a source of energy
c) diffusion
c) mitochondria
e) all of the above
c) they cover surfaces subjected to mechanical or chemical strass
d) red blood cell
c) serous membranes
e) cardiac muscle
a) smooth muscle
d) has the ability to contract independent of neural stimulations
d) all of the above
d) synthesis of vitamin C
e) all of the above
d) Sebaceous gland
c) dermis
e) all of the above
e) all of the above
e) sutures
b) thoracic and lumbar
a) directing activities that continue for extended periods such as growth and pregnancy
b) neurons
b) corpus callosum
e) all of the above
d) whole blood
a) monocyte
d) carry oxygen
b) erythrocytosis
Presence or absence of specific molecules on the cell membrane
e) all of the above
a) the mediastinum
a) left atrium
e) inferior vena cava
c) tricuspid valve
a) between the left atrium and the left ventricle
49. b.) collect blood
50. d.) epicardium, myocardium, and endocardium
51.) b.) atria
52.) a.) SA node
53.) a.) QRS complex
54.) e.) tunica media
55.) e.) veins
56.) e.) all of the above
57.) b.) external nares
58.) b.) spleen
59.) b.) muscularis
60.) c.) carbohydrates
61.) b.) peristalsis
62.) c.) three
63.) b.) intrinsic factor
64.) e.) all of the above
65.)a.) hydrochloric acid
66.)d.) pepsinogen
67.)e.) trypsin
68.) c.) proteins
69.)e.) secrete a watery substance
70.)d.) jejunum
71.)d.) esophagus
72.)a.) chemical breakdown of food
73.)d.) the upper respiratory tract
74.) a.) Gastric juice
75.) a.) helps prevent the alveoli from collapsing
76.) d.) to create turbulence in the air to trap small particles in mucus
77.) e. Have thinner walls
78.) c.) maintain the osmotic pressure of the blood
79.) a.) ventricular repolarization
80.)d.) 4,3,2,5,1
81.) d.) venae cavae
82.) d.) 5,1,3,7,8,2,4,6
83.) b.) systemic and pulmonary circuits
84.)c.) pulmonary trunk
85.) c.) the lungs
86) d) arteries
87) b) neutrophils
88) b) anemia
89) a) fibrinogens
90) b) red bone marrow
91) c) a superficial vein
92) e) erythrocytes
93) e) all of the above
94) c) central nervous system
95) a) the formation of the organic framework of the bone
96) d) endosteum
97) a) osteocytes
98) a) hyaline cartilage changes to dense connective tissue
99) b) active transport
100) c) lysosomes
Questions:
1) Characteristics of most living organisms include the ability to
2) The waste products of metabolism are eliminated through the process of
3) The internal transport of blood and dissolved substances is the function of the
4) Gas exchange is a function of the
5) The trachea and lungs are components of the
6) The maintenance of a relatively constant internal environment in an organism is termed
7) The increasingly forceful labor contractions that lead to childbirth are an example of this type of m e c h a n i s m :
8) Which of the following is NOT characteristic of the endocrine system?
9) The wrist is considered to the elbow.
10) The diaphragm separates the
11) Isotopes of an element differ in the number of
12) A solution containing equal numbers of hydrogen ions and hydroxide ions is
13) It is important to keep pH regulated because an imbalance in H+ concentration can cause
14) The watery medium that surrounds a cell is known as
15) Which of the following is NOT a function of membrane proteins?
16) The movement of oxygen from an area of high concentration to an area of low concentration is an example of
17) Most of the ATP required to power cellular operations is produced in the
18) Epithelial cells are adapted for
19) Which of the following is NOT a correct statement about simple epithelia?
20) The cell that accounts for almost half the volume of blood is the
21) Which of the following is made up of a complete simple squamous epithelium and a small amount
of underlying connective tissue, and provides lubrication?
22) The muscle tissue that contains intercalated discs is
23) The muscle that is located in the walls of hollow internal organs is
24) Cardiac muscle differs from the other two types of muscle tissue in that cardiac muscle
25) The functions of connective tissues include
26) Each of the following is a function of the integumentary system EXCEPT one. Identify the exception.
27) The pigment melanin
28) Glands that discharge a waxy secretion into hair follicles are
29) Epidermal cells are supplied with nutrients from blood vessels in the
30) Accessory structures of the skin include
31) Functions of the skeletal system include
32) Skull bones are joined by tight connections called
33) The primary curves of the vertebral column are the
34) Each of the following is a function of the nervous system EXCEPT one. Identify the exception.
35) Cells responsible for information processing and transfer are
36) The primary connection between cerebral hemispheres is the
37) Functions of the blood include
38) The combination of plasma and formed elements is called
39) Which of the following is an agranulocyte?
40) The function of hemoglobin is to
41) Having too many red blood cells is called
42) A person's blood type is determined by the
43) Neutrophils
44) The heart lies in
45) Blood returning from the lungs enters the
46) The right atrium receives blood from the
47) The atrioventricular valve that is located on the side of the heart that receives the superior vena cava is t h e
48) The bicuspid or mitral valve is located
49) The function of an atrium is to
the heart wall are the
51) Atrioventricular valves prevent backflow into the
52) The pacemaker cells of the heart are located in the
53) Depolarization of the ventricles is represented on an electrocardiogram by the
54) The muscular layer of blood vessels is the
55) Which of the following blood vessels hold the greatest volume of blood?
56) Functions of the respiratory system include
57) The openings to the nostrils are the
58) Each of the following organs is a component of the digestive tract EXCEPT one. Identify the exception.
59) Contraction of the_ _ layer of the intestinal wall functions to change the shape of the
intestinal lumen and moves food through its length.
60) Salivary amylase functions to digest
61) Waves of muscular contractions that propel the contents of the digestive tract from one point to another are called
62) ___pair(s) of salivary glands secrete into the oral cavity.
63) Parietal cells secrete
64) Secretions from the salivary glands
65) Parietal cells secrete
66) Chief cells secrete
67) Which of the following is a protein-splitting enzyme from the pancreas?
68) The enzyme pepsin digests
69) Intestinal glands
70) The middle portion of the small intestine is the
71) Which of the following is an accessory organ of digestion?
72) Digestion refers to the
73) Air entering the body is filtered, warmed, and humidified by
74) Microorganisms removed from incoming air by the sticky mucus of the respiratory tract are most likely destroyed by
75) Surfactant
76) The function of the nasal conchae is
77) Compared to arteries, veins
78) Plasma proteins that remain in the blood capillaries help
79) The T wave on an ECG tracing represents
80) The following are various components of the conducting system of the heart.
1. Purkinje cells
2. AV bundle
3. AV node
4. SA node
5. bundle branches
The sequence in which an action potential would move through this system is
81) Blood from the systemic circulation returns to the heart by way of the
82) The following is a list of vessels and structures that are associated with the heart.
1. right atrium
2. left atrium
3. right ventricle
4. left ventricle
5. vena cavae
6. aorta
7. pulmonary trunk
8. pulmonary veins
What is the correct order for the flow of blood entering from the systemic circulation?
83) Blood vessels in the cardiovascular system are subdivided into the
84) The pulmonary semilunar valve guards the entrance to the
85) The right ventricle pumps blood to
86) Blood is carried away from the heart by
87) The most numerous white blood cells in peripheral circulation are the
88) __is a condition in which the oxygen-carrying capacity of the blood is reduced. 88)
89) Plasma proteins that are necessary for blood clotting are the
90) Red blood cells are formed in
91) Fresh whole blood is usually collected from
92) Biconcave cells without a nucleus are called
93) Blood is composed of
94) The brain and spinal cord comprise the
95) Vitamin D is necessary for
96) The lining of the marrow cavity is called the
97) Mature bone cells are termed
98) Which of the following is NOT a step in endochondral ossification?
99) A process that requires cellular energy to move a substance against its concentration gradient is
100) Each of the following is an example of a non-membranous organelle EXCEPT one. Identify the exception.