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Material Type: Exam; Professor: Vanberkum; Class: Human Physiology; Subject: Biological Sciences; University: Wayne State University; Term: Winter 2016;
Typology: Exams
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Bio3200: Human Physiology
March 24, 2016 Exam 3 [50 Qs]
Section 1: Complete sentence with one of the two words in square brackets. [A. /B.]
increases.
sides.
dilate].
mean arterial pressure.
ions].
original position as a result of [A. elastic recoil/B. expiratory muscle contraction].
contraction is termed the [A. end-diastolic volume (EDV)/B. end-systolic volume (ESV)].
movement of carbon dioxide from the blood into the alveoli.
RBC/B. platelet] plug.
Section 2: Multiple Choice. Select single best answer based on Physiology.
A. just two protein chains.
B. four protein chains and four heme groups.
C. just four protein chains
D. just three protein chains.
E. two protein chains and two heme groups.
A. a rise in the concentration of carbaminohemoglobin
B. a rise in bicarbonate concentration
C. an increase in the affinity of hemoglobin for oxygen
D. an increase in H+ ion concentration
E. an increase in hemoglobin unloading of oxygen
system of autorhythmic cells (Purkinje fibers) is shown as solid lines. Based on this diagram, which
of the following statements is FALSE?
A. The conduction of Purkinje fiber action potentials is very fast at position 3.
B. The AV node is at position 4 and it relays depolarization to the ventricles.
C. Action potentials within the Purkinje system depolarize neighboring muscle cells.
D. The Purkinje fibers at position 1 depolarize before position 2.
E. Position 5 is the SA node that normally begins a heart beat.
volume (TV) and Respiratory frequency (f). Each has a normal dead space volume (150 ml).
TV f
Jane: 300 ml 25/min
Alice: 600 ml 10/min
Ann: 800 ml 5/min
Which of the following statements accurately compares the alveolar ventilation in the three women?
A. Jane's is greater than Alice's, which is greater than Ann's.
B. Ann's is the largest; Alice's and Jane's are the same.
C. Jane's is the smallest; Ann's and Alice's are the same.
D. Ann's is greater than Alice's, which is greater than Jane's.
E. Alice's is greater than Jane's, which is greater than Ann's.
A. sympathetic activity increases.
B. cardiac output increases.
C. peripheral resistance decreases.
D. A and B
E. A, B, and C
A. doubling the length of a vessel
B. doubling the viscosity of the blood
C. doubling the turbulence of the blood
D. doubling the diameter of a vessel
E. doubling the number of white cells in the blood
A. Gas exchange is a major function of the respiratory system.
B. The airway between the larynx and the primary bronchi is the trachea.
C. The walls of bronchioles include smooth muscle.
D. The exchange of gases between the alveoli and blood is an example of bulk flow.
E. The lungs are surrounded by the pleural sac.
to a combination of Ca2+ __________ and K+__________.
A. efflux, influx
B. influx, efflux
C. influx, influx
D. efflux, efflux
E. none of the above
A. movement of dissolved gases from the blood to the interstitial space.
B. movement of air into and out of the lungs.
C. movement of dissolved gases from the interstitial space to the cells.
D. movement of dissolved gases from the alveoli to the blood.
E. movement of air into and out of the alveoli.
in plasma as carbon dioxide, you would have to
A. increase the rate of plasma flow through the lungs
B. decrease the temperature of the plasma.
C. decrease the partial pressure of nitrogen.
D. decrease the alveolar ventilation rate.
E. increase the partial pressure of oxygen.
A. a typical value for A would be 1000 ml
B. C is the Inspiratory Reserve Volume
C. the Vital Capacity is the sum of C and E
D. B is the Expiratory Capacity,
E. D represents the residual volume
A. expiration occurs.
B. the volume of the lungs decreases.
C. intrapleural pressure decreases.
D. intrapulmonary pressure increases.
E. all of the above
A. it reflects the difference in time that systole lasts compared to diastole.
B. it represents the driving force for blood flow.
C. it represents the volume of blood flow.
D. A and B
E. A, B, and C
A. sympathetic stimulation to the SA node
B. the application of epinephrine to the SA node
C. the application of acetylcholine to the SA node
D. A and B
E. A, B, and C
A. Blood pressure increases if arterioles constrict.
B. The term for chronically elevated blood pressure is hypotension.
C. The colloid osmotic pressure is higher in the interstitial fluid than in the plasma.
D. Receptors that monitor blood pressure are called chemoreceptors.
E. When taking blood pressure, blood must be undergoing laminar flow through the vessel
to be heard through the stethoscope.
A. reticulocyte
B. committed progenitor stem cell.
C. megakaryocyte
D. pluripotent hematopoietic stem cell.
E. progenitor stem cell
a change in his mean arterial pressure?
A. heart rate could increase
B. stroke volume could increase
C. cardiac output could decrease
D. A and B
E. A, B and C
____________ neurons to the diaphragm, which in turn cause ____________ of the muscle,
resulting in a/an in the volume of the thoracic cage.
A. parasympathetic; contraction; decrease
B. sympathetic; contraction; increase
C. somatic motor; contraction; increase
D. sympathetic; relaxation; increase
E. somatic motor; contraction; decrease
pressure is 15 units at point A and 5 units at point B. Flow between those points is ________.
A. increased
B. stopped
C. decreased
D. unchanged
E. can not tell from data presented
A. Plasma is mostly water.
B. A normal adult hematocrit would be around 45%.
C. When blood contacts injured tissue, clotting factors follow the extrinsic pathway.
D. Fibrinogen is the insoluble product forming a clot.
E. Calcium is an important co-factor used during coagulation.
is equal to the rate at which
A. carbon dioxide is produced in respiring tissue
B. oxygen is consumed in respiring tissue
C. carbon dioxide leaves the pulmonary capillaries and enters alveolar air.
D. oxygen is delivered to alveoli in inspired air
E. oxygen is carried out of the alveoli in expired air
A. The alveloar pressure equilibrates with atmospheric pressure during the respiratory
cycle.
B. Intrapleural pressure is the pressure within the pleural sac.
C. Changes in alveolar pressure drives the changes in intrapleural pressure.
D. Intrapleural pressure is always lower than atmospheric pressure,
E. Alveolar pressure is the pressure inside the alveoli.
A. Fetal hemoglobin has a higher affinity for oxygen than maternal hemoglobin at a PO2 of
80 mm Hg.
B. At a PO2 of 40 mm Hg, the mother's Hb would released more oxygen to a 'hungry' cell.
C. If a worm lived in low oxygen mud flats, it would prefer to have the fetal form of Hb.
D. A and C
E. A, B and C
Answer Key for Test “Exam 3 W16 draft1 ”, 3/18/
No. in
Q-Bank
No. on
Test Correct Answer
Bio3200: Human Physiology
March 24, 2016 Exam 3 [50 Qs]
Section 1: Complete sentence with one of the two words in square brackets. [A. /B.]
mean arterial pressure.
dilate].
ions].
movement of carbon dioxide from the blood into the alveoli.
sides.
increases.
original position as a result of [A. elastic recoil/B. expiratory muscle contraction].
contraction is termed the [A. end-diastolic volume (EDV)/B. end-systolic volume (ESV)].
RBC/B. platelet] plug.
Section 2: Multiple Choice. Select single best answer based on Physiology.
(solid line) and its muscle contraction (dashed line)?
A. four protein chains and four heme groups.
B. just three protein chains.
C. just four protein chains
D. two protein chains and two heme groups.
E. just two protein chains.
A. pluripotent hematopoietic stem cell.
B. progenitor stem cell
C. megakaryocyte
D. reticulocyte
E. committed progenitor stem cell.
A. increased blood pressure after stress.
B. reflex contraction of smooth muscle in response to stress.
C. increased blood flow following a period of reduced blood flow.
D. lack of blood flow due to an allergic reaction.
E. none of the above
Suzy with a blood pressure of 120/80 mm Hg
Betty with a blood pressure of 130/95 mm Hg
Katy with a blood pressure of 125/65 mm Hg
A. Betty lower, Suzy and Katy the same and higher
B. Betty is less than Katy, who is less than Suzy
C. Suzy is less than Katy, who is less than Betty
D. Suzy and Katy are the same and lower than Betty
E. Katy is less than Suzy who is less than Betty
A. The airway between the larynx and the primary bronchi is the trachea.
B. Gas exchange is a major function of the respiratory system.
C. The exchange of gases between the alveoli and blood is an example of bulk flow.
D. The walls of bronchioles include smooth muscle.
E. The lungs are surrounded by the pleural sac.
____________ neurons to the diaphragm, which in turn cause ____________ of the muscle,
resulting in a/an in the volume of the thoracic cage.
A. sympathetic; contraction; increase
B. parasympathetic; contraction; decrease
C. sympathetic; relaxation; increase
D. somatic motor; contraction; increase
E. somatic motor; contraction; decrease
in plasma as carbon dioxide, you would have to
A. increase the rate of plasma flow through the lungs
B. decrease the temperature of the plasma.
C. decrease the partial pressure of nitrogen.
D. increase the partial pressure of oxygen.
E. decrease the alveolar ventilation rate.
to a combination of Ca2+ __________ and K+__________.
A. influx, efflux
B. efflux, influx
C. efflux, efflux
D. influx, influx
E. none of the above
pressure is 15 units at point A and 5 units at point B. Flow between those points is ________.
A. unchanged
B. decreased
C. stopped
D. increased
E. can not tell from data presented
A. sympathetic stimulation to the SA node
B. the application of epinephrine to the SA node
C. the application of acetylcholine to the SA node
D. A and B
E. A, B, and C
system of autorhythmic cells (Purkinje fibers) is shown as solid lines. Based on this diagram, which
of the following statements is FALSE?
A. The Purkinje fibers at position 1 depolarize before position 2.
B. Position 5 is the SA node that normally begins a heart beat.
C. Action potentials within the Purkinje system depolarize neighboring muscle cells.
D. The conduction of Purkinje fiber action potentials is very fast at position 3.
E. The AV node is at position 4 and it relays depolarization to the ventricles.
A. Ca2+ is required for contraction.
B. Ca2+ is used to stimulate the opening of RynR in SR.
C. Ca2+ is used to stimulate the selective opening of heart valves
D. Ca2+ is used to create a pacemaker action potential.
E. Ca2+ is involved in establishing the absolute refractory period
A. movement of dissolved gases from the interstitial space to the cells.
B. movement of dissolved gases from the alveoli to the blood.
C. movement of air into and out of the lungs.
D. movement of dissolved gases from the blood to the interstitial space.
E. movement of air into and out of the alveoli.
a change in his mean arterial pressure?
A. heart rate could increase
B. stroke volume could increase
C. cardiac output could decrease
D. A and B
E. A, B and C
cell would you expect to see in elevated numbers in a differential count?
A. monocytes
B. eosinophils
C. neutrophils
D. basophils
E. lymphocytes
A. sympathetic activity increases.
B. cardiac output increases.
C. peripheral resistance decreases.
D. A and B
E. A, B, and C
A. intrapulmonary pressure increases.
B. the volume of the lungs decreases.
C. intrapleural pressure decreases.
D. expiration occurs.
E. all of the above
is carried in the blood. Based on this figure, which of the
following statements is TRUE?
A. Missing from this diagram is an interaction between the hydrogen ion (H+) and the
heme group of Hemoglobin that helps drive the reaction to the right.
B. At B, a membrane antiporter is used to exchange the bicarbonate ion for "g" a Cl- ion.
C. Approximately 70% of CO 2
is freely soluble in the plasma.
D. The product at the box labeled "A" should be H 2
E. The enzyme carbonic anhydrase catalyzes the reaction at f.
A. stroke volume (SV).
B. cardiac output (CO).
C. end-systolic volume (ESV).
D. end-diastolic volume (EDV).
E. heart rate (HR).
pressure (solid line), aorta pressure (dashed line) and atrial pressure (dot-dash line). Based on this
diagram, which of the following statements is TRUE?
A. The atrial muscle is contracting at position D.
B. Ventricular muscle is repolarizing at position B.
C. The bump at position E is due to ventricular contraction.
D. All valves associated with the heart are closed at both A and D.
E. Ventricular muscle is depolarizing at positions B and C.
Answer Key for Test “Exam 3 W16 draft1 ”, 3/18/
No. in
Q-Bank
No. on
Test Correct Answer