We have sent an email with your new password.


Exercise Physiology Practice Final

156 Questions  I  By Kingslo
  • Share This on Twitter
  • +
Fitness Quizzes & Trivia
Practice final for exercise physiology

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  When peripheral resistance decreases, blood pressure increases
A.
B.
2.  A T wave inversion is an indicator of ischemia
A.
B.
3.  During prolonged exercise in a hot/humid environment, ventilation "drifts" upward due to the influence of rising body temperature on the respiratory control center
A.
B.
4.  Cardiac muscle tissue is also known as endocardium
A.
B.
5.  The diaphragm is innervated by somatic motor neurons
A.
B.
6.  The average cardiac output is 6 L/m
A.
B.
7.  The pulmonary circuit
A.
B.
C.
D.
8.  Hypertension can cause(check all that apply)
A.
B.
C.
D.
9.  An untrained individual may have 30 percent of cardiac injury from a myocardial infarction
A.
B.
10.  Systolic pressure provides an indication of peripheral resistance
A.
B.
11.  Systole during heavy exercise is longer than diastole during heavy exericse
A.
B.
12.  __ of CO2 is found in the blood is transported as bicarbonate
A.
B.
C.
D.
13.  Pulse pressure is the difference between systolic and diastolic pressure
A.
B.
14.  Deoxyhemoglobin is simply hemoglobin carrying carbon dioxide 
A.
B.
15.  During maximal exercise, 80 - 85% of blood is distributed to working muscles
A.
B.
16.  Which part of the brain is is the respiratory control center?
A.
B.
C.
D.
17.  Venoconstriction is stimulated by the SNS
A.
B.
18.  At rest, what is the filling time of the heart?
A.
B.
C.
D.
19.  The primary drive to increase ventilation during exercise in from higher brain centers
A.
B.
20.  In regards to peripheral chemoreceptors 
A.
B.
C.
21.  Training can eventually change the structure of the lungs so it could take up more oxygen.
A.
B.
22.  Ventilation control during exercise is fine tuned by ____________
A.
B.
C.
D.
23.  The amount of blood pumped by the heart each minute is known as the _________
A.
B.
C.
D.
24.  HCO3- is a strong acid
A.
B.
25.  Beta blocking drugs increase the myocardial oxygen demand
A.
B.
26.  What is atmospheric pressure at rest?
A.
B.
C.
D.
27.  The number of beats per minute is known as the heart rate
A.
B.
28.  Random movement of molecules from an area of high concentration to an are of lower concentration is known as osmosis
A.
B.
29.  Atherosclerosis is fatty plaque that narrows the aorta
A.
B.
30.  An ST segment depression indicates myocardial infarction 
A.
B.
31.  During incremental exercise (check all that apply)
A.
B.
C.
D.
32.  Beta blocking drugs increase heart rate
A.
B.
33.  Which formula is correct in calculating the Mean Arterial Pressure
A.
B.
C.
D.
34.  The ______ represents atrial depolarization 
A.
B.
C.
D.
35.  Contraction of the heart depends on electrical stimulation of the _________
A.
B.
C.
D.
36.  At rest, expiration is passive
A.
B.
37.  An ejection fraction of less than ___ indicates myocardial contraction
A.
B.
C.
D.
38.  The central chemoreceptors are sensitive to increases in ______ and decreases in pH
A.
B.
C.
D.
39.  Sedentary individuals typically have a resting SV of 
A.
B.
C.
D.
40.  The pacemaker of the heart is known as the _________
A.
B.
C.
D.
41.  The alveolar ventilation + dead space ventilation = pulmonary ventilation
A.
B.
42.  Receptors that are sensitive to force and speed of muscular movement
A.
B.
C.
D.
43.  The heart cannot be excited if the sympathetic neurons connecting to it are cut off
A.
B.
44.  After leaving the myocardium, blood from the coronary circulation enters the coronary sinus
A.
B.
45.  Increased HR is due to an increase in cardiac output 
A.
B.
46.  Receptors that are sensitive to an increase in PCO2 exist.
A.
B.
C.
47.  Resistance depends on 
A.
B.
C.
D.
48.  During prolonged submaximal exercise in a hot/humid environment, ventilation tends to shift downward
A.
B.
49.  The myocardium is mainly aerobic
A.
B.
50.  Excessive mucus blocked in the airways
A.
B.
C.
D.
51.  The atria relaxes during ventricular systole
A.
B.
52.  Strength of ventricular contraction is enhanced by acetylcoline
A.
B.
53.  During prolonged exercise, the cardiac output is maintained due to a decrease in stroke volume and an increase in HR.
A.
B.
54.  Arterial PO2 and PCO2 are maintained relatively constant during a sub maximal exercise
A.
B.
55.  VO2 = Cardio Output x VO2 difference; which equation is this?
A.
B.
C.
D.
E.
56.  Carbonic anhydrase converts CO2 and water into Bicarbonate
A.
B.
57.  The typical value for the tidal volume is 
A.
B.
C.
D.
58.  The O2 content of blood (100% Hb saturation) for females is typically
A.
B.
C.
D.
59.  Training can lower exercise ventilation 20 - 30% lower at the same submaximal work rate
A.
B.
60.  The systemic circulation begins at the left side of the heart
A.
B.
61.  The QRS complex represents ____________
A.
B.
C.
D.
62.  The typical lung capacity is at
A.
B.
C.
D.
63.  During isovolumetric contraction (check all that apply)
A.
B.
C.
D.
64.  Carbon dioxide that is bound to hemoglobin is called carbaminohemoglobin
A.
B.
65.  During isovolumetric relaxation
A.
B.
C.
D.
E.
66.  An increase in blood pressure results in
A.
B.
C.
D.
67.  Hemoglobin has a higher affinity for O2 than myoglobin
A.
B.
68.  At rest, the breathing rhythm is dominated by pacemaker neurons in the 
A.
B.
C.
D.
69.  The intrapleural pressure is lower than atmospheric pressure
A.
B.
70.  Oxygen demand by muscles during exercise is 10 - 15x greater than at rest.
A.
B.
71.  The pulmonary system limits exercise performance in healthy young subjects during prolonged submaximal exercise (work rates (<90% VO2 max)
A.
B.
72.  Autorhythmic cells depolarize spontaneously 
A.
B.
73.  In an untrained subject doing incremental exercise, ventilation increases linearly up to 
A.
B.
C.
D.
74.  Volume of air space that reaches the respiratory zone
A.
B.
C.
D.
75.  Arteries in the coronary circulation originate 
A.
B.
C.
D.
76.  The respiratory control center uses only negative feedback to achieve tight control
A.
B.
77.  During exercise, the SV plateaus at approx. 40-60% of VO2 max
A.
B.
78.  During heavy or submaximal exercise, a linear rise in ventilation is due to _________(check all that apply)
A.
B.
C.
D.
E.
79.  Current evidence suggests that the normal rhythm of breathing is generated by the interaction between _____ separate respirator rhythm centers located in the medulla oblongata and the pons.
A.
B.
C.
D.
80.  Cardiac output and total vascular resistance influence mean arterial pressure
A.
B.
81.  Amount of blood ejected in each beat is known as the _______
A.
B.
C.
D.
82.  Receptors that are sensitive to muscle metabolites
A.
B.
C.
D.
83.  Airway collapse; air is trapped in the lungs
A.
B.
C.
D.
84.  The amount of air moved in and out of the lungs per min
A.
B.
C.
D.
85.  Plasma contains(check all that apply)
A.
B.
C.
D.
86.  Baroreceptors are activated/stimulated when BP is too low
A.
B.
87.  Central chemoreceptors are located in the___________
A.
B.
C.
D.
88.  Resting systole of the ventricles is longer than diastole
A.
B.
89.  How much % of CO2 is dissolved in the plasma
A.
B.
C.
D.
90.  Hematocrit is a % by volume of packed blood cells after centrifugation
A.
B.
91.  The inflection point where VE increases exponentially is known as the respiratory threshold 
A.
B.
92.  _________ of elite endurance athletes experience hypoxemia during high intensity exercise (>90% VO2 max)
A.
B.
C.
D.
93.  Specialized cells located in the aortic and carotid bodies
A.
B.
C.
D.
94.  When the diaphragm contracts, the lungs __________
A.
B.
C.
D.
95.  The cardiac cycle has 2 phases
A.
B.
96.  Carbon dioxide is transported in ONLY 3 blood forms
A.
B.
97.  When heart rate increase, blood pressure increases
A.
B.
98.  As the VO2 max increase the double product decreases
A.
B.
99.  The systemic circulation has lower pressure than the pulmonary circulation 
A.
B.
100.  Decreased pH increases the Hb-O2 affinity thus resulting in a rightward shift of the curve
A.
B.
101.  The energy for the myocardium is mainly carbohydrates
A.
B.
102.  During heavy exercise, the heart beats at ___ bpm
A.
B.
C.
D.
103.  Over __ of the O2 transported in blood is chemically bonded with hemoglobin
A.
B.
C.
D.
104.  The ECG may indicate coronary heart disease
A.
B.
105.  At rest, ____ of blood is distributed to to muscles
A.
B.
C.
D.
106.  Vasoconstriction to visceral organs and inactive tissues are due to the SNS
A.
B.
107.  Which of the following causes a rightward shift of the dissociation curve(check all that apply)
A.
B.
C.
D.
108.  Long term regulation by the mean arterial blood pressure is influenced by
A.
B.
C.
D.
109.  When blood volume increases, blood pressure increases
A.
B.
110.  The _________ consists of autorhythmic cells
A.
B.
C.
D.
111.  When HCO3- diffuses out of the RBC's into plasma
A.
B.
C.
D.
112.  The vagus nerve regulates the heart rate via the sympathetic nervous system
A.
B.
113.  Hydrogen binds to Hb to prevent acidity
A.
B.
114.  Function of this later of the heart serves as a lubricative outer covering
A.
B.
C.
D.
115.  _______ promotes smooth muscle relaxation
A.
B.
C.
D.
116.  Current eveidence suggests that respiratory muscles fatigue at prolonged exercise lasting more than
A.
B.
C.
D.
117.  Chronic obstructive lung disease is linked with an increased expiratory airflow and an decreased inspiratory airflow due to constant airway narrowing
A.
B.
118.  An increase in pulmonary ventilation causes exhalation of additional CO2, which results in a reduction of blood PCO2 and a lowering of hydrogen ion concentration
A.
B.
119.  Shortness of breathing is termed
A.
B.
C.
D.
120.  At the onset of exercise, parasympathetic nerves fire thus increasing the HR 
A.
B.
121.  Ventricular Systole is the first phase of the cardiac cycle
A.
B.
122.  The Ocontent of blood (100% Hb saturation) for males is typically
A.
B.
C.
D.
123.  At 150 - 200 beats per min, approx how long does it take to fill the heart
A.
B.
C.
D.
124.  Receptors that are sensitive to change in arterial blood pressure.
A.
B.
C.
D.
125.  Which is the current formula for Air Flow?
A.
B.
C.
D.
126.  The heart at rest beats at ____ bpm
A.
B.
C.
D.
127.  There are 2 types or Humoral receptors
A.
B.
128.  What is considered normal blood presssure?
A.
B.
C.
D.
129.  During exercise, the preBotzinger Complex interacts with _________ along with two additional regulatory centers in the pons to regulate breathing
A.
B.
C.
D.
130.  During the Frank Starling mechanism, increase preload will stretch the sarcomere from _______
A.
B.
C.
D.
131.  Max heart rate is found by subtracting ones age from 230
A.
B.
132.  Low partial pressure in the tissues increases the the chance of O2 release to tissues by Hb
A.
B.
133.  Each gram of Hb can transport ____
A.
B.
C.
D.
134.  There is new evidence that respiratory muscle fatigue does occur during high intensity exercise (>90% VO2 max)
A.
B.
135.  A rough index of workload on the heart is also known as
A.
B.
C.
D.
136.  During prolonged exercise, cardiac output is decreases
A.
B.
137.  The tidal volume x the alveolar ventilation will give you the amount of air moved in and out of the lungs per minute
A.
B.
138.  The __________ lines the thoracic wall
A.
B.
C.
D.
139.  The peripheral chemoreceptors are sensitive to increases in PCO2 and decreases in PO2 or pH
A.
B.
140.  Endurance athletes typically have a stroke volume of 160 - 200 ml during exercise
A.
B.
141.  Plasma is the portion of  blood that repairs injuries
A.
B.
142.  The vital capacity is 
A.
B.
C.
D.
143.  The myocardium receives blood from the arota
A.
B.
144.  Which vessels create the most resistance
A.
B.
C.
D.
145.  The ventricles contract ___ sec after the atria
A.
B.
C.
D.
E.
146.  When blood viscosity increases, blood pressure decreases
A.
B.
147.  Which zone warms and humidifies the air?
A.
B.
C.
148.  Amount of air moved per breath (normal breathing)
A.
B.
C.
D.
149.  Nitric Oxide is produced in the mesothelium 
A.
B.
150.  Ventricular diastole is when the ventricles are relaxed/relaxing
A.
B.
151.  The atria contract during ventricular diastole
A.
B.
152.  One should stop exercise if their exercise induced ST segment is greater than 1 mm
A.
B.
153.  Blood pressure above ____ is known as high blood pressure
A.
B.
C.
D.
154.  Blood flow is inversely proportional to resistance
A.
B.
155.  When standing, most of the blood goes to the apex of the lung
A.
B.
156.  An decrease in blood pressure results in an increase in sympathetic nervous system activity
A.
B.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz