Physiology Quiz 1
Study aid for Human physiology. Focuses on the heart, blood, and respiratory system.
- 1.
Increased _________ stimulation increases heart rate.
- A.
Parasympathetic
- B.
Sympathetic
Correct Answer
B. Sympathetic -
- 2.
Mean Arterial Pressure = ?
Correct Answer
Cardiac Output x Total Systemic Peripheral Resistance - 3.
Cardiac Output = ?
Correct Answer
Heart rate x Stroke Volume - 4.
What are 3 sensors that detect pressure in the major systemic arteries?
Correct Answer
Aorta, carotid, renal - 5.
Increased _________ stimulation decreases heart rate.
- A.
Sympathetic
- B.
Parasympathetic
Correct Answer
B. Parasympathetic -
- 6.
Venous capacitance is _____ of blood volume at any point in time.
- A.
30%
- B.
40%
- C.
50%
- D.
60%
- E.
70%
Correct Answer
D. 60% -
- 7.
Veins can be balloon like when what occurs?
- A.
High blood volume
- B.
Low blood volume
Correct Answer
A. High blood volume -
- 8.
Flow = ?
Correct Answer
Force / Resistance - 9.
"Normal" heart rate is considered?
- A.
60 beats/min
- B.
70 beats/min
- C.
80 beats/min
- D.
90 beats/min
Correct Answer
B. 70 beats/min -
- 10.
"Normal" end DIASTOLIC volume equals
- A.
125 mL
- B.
135 mL
- C.
145 mL
- D.
155 mL
Correct Answer
B. 135 mL -
- 11.
"Normal" end SYSTOLIC volume equals
- A.
45 mL
- B.
55 mL
- C.
65 mL
- D.
75 mL
Correct Answer
C. 65 mL -
- 12.
"Normal" stroke volume equals
- A.
50ml
- B.
60ml
- C.
70ml
- D.
80ml
Correct Answer
C. 70ml -
- 13.
__________ is the max pressure exerted by the blood against the artery walls.
- A.
Partial Pressure
- B.
Systemic Pressure
- C.
Systolic Pressure
- D.
Diastolic Pressure
Correct Answer
C. Systolic Pressure -
- 14.
________ is the lowest pressure in the artery.
- A.
Systemic Pressure
- B.
Systolic Pressure
- C.
Diastolic Pressure
- D.
Ventricular Pressure
Correct Answer
C. Diastolic Pressure -
- 15.
Normal systolic pressure is considered?
- A.
80mmHg
- B.
100mmHg
- C.
120mmHg
- D.
140mmHg
Correct Answer
C. 120mmHg -
- 16.
Normal diastolic pressure is considered?
- A.
80mmHg
- B.
100mmHg
- C.
120mmHg
- D.
140mmHg
Correct Answer
A. 80mmHg -
- 17.
Explain the 5 steps of ventricular systole.
- 18.
To increase heart rate at rest:
- A.
Remove parasympathetic (-) vagal tone, add sympathetic
- B.
Add parasympathetic (+) vagal tone
Correct Answer
A. Remove parasympathetic (-) vagal tone, add sympathetic -
- 19.
To decrease heart rate at rest:
- A.
Remove parasympathetic (-) vagal tone, add sympathetic
- B.
Add parasympathetic (+) vagal tone
Correct Answer
B. Add parasympathetic (+) vagal tone -
- 20.
____________ - any factor that opposes outflow from the ventricle into the aorta.
Correct Answer
afterload - 21.
Heart work = ?
Correct Answer
Heart Rate x Systolic Pressure - 22.
Increased parasympathetic ______ directly change stroke volume.
- A.
Does not
- B.
Does
Correct Answer
A. Does not -
- 23.
Increased sympathetic ________ increase stroke volume
- A.
Does not
- B.
Does
Correct Answer
B. Does -
- 24.
Increased venous return _________ stroke volume.
- A.
Does
- B.
Does not
Correct Answer
A. Does -
- 25.
Division of autonomic nervous system that oversees digestion, elimination, and gladular function, slows heart beat.
- A.
Sympathetic
- B.
Parasympathetic
Correct Answer
B. Parasympathetic -
- 26.
Division of autonomic nervous system that activates fight or flight; increase rate and force of heart beat
- A.
Sympathetic
- B.
Parasympathetic
Correct Answer
A. Sympathetic -
- 27.
What can be done to compensate for high blood pressure?
- 28.
What can be done to compensate for low blood pressure?
- 29.
______________________ - movement of fluid from capillary to extracellular fluid due to the net difference between "inward" and "outward" forces.
Correct Answer
net capillary filtration - 30.
__________ favor movement of fluid from capillary to ECF. _____________ favor movement of fluid from ECF to capillary.
- A.
Outward/Inward
- B.
Inward/Outward
Correct Answer
A. Outward/Inward -
- 31.
In the blood how are materials transported?
Correct Answer
- free in plasma - bound to plasma proteins - in blood cells - 32.
Oxygen carrying capacity = ?
Correct Answer
(blood hemoglobin x 1.34) + (0.003 x PaO2) - 33.
Alveolar ventilation = ?
Correct Answer
ventilation rate x (tidal volume - dead space volume)
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Dec 31, 2012Quiz Edited by
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Apr 20, 2009Quiz Created by
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