Exercise Physiology Practice Final

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


to post comments.

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz