A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
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Straighterline A&P
Institution
Straighterline A&P
A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
A&P II Straighterline Final Exam |Questions and Correct Answers Graded A+ | Latest 2024
A&P II Straighterline Final Exam |
Questions and Correct Answers Graded
A+ | Latest 2024
The oxygenated form of a hemoglobin is called _______.
A. Oxyhemoglobin
B. Loaded hemoglobin
C. Carboxyhemoglobin
D. Carbaminohemoglobin
E. Deoxyhemoglobin - Correct Answer -Oxyhemoglobin
A white blood cell engulfing a bacterium is an example of blood functioning
in _______.
A. Transportation
B. Maintenance
C. Protection
D. Communication - Correct Answer -Protection
When the antigens on erythrocytes bind with antibodies in the plasma,
A. Coagulation occurs.
B. Hemolysis of leukocytes may occur.
C. The antibodies dissolve.
D. The blood group changes.
E. Agglutination of erythrocytes occurs. - Correct Answer -Agglutination of
erythrocytes occurs.
,An increase in hemoglobin increases
A. The osmotic pressure of the blood.
B. The quantity of plasma protein available for blood clotting.
C. The ability of the blood to carry O2 to various tissues.
D. The leukocyte count.
E. The body's immune response. - Correct Answer -The ability of the
blood to carry O2 to various tissues.
The smallest leukocytes are the _______ and the largest are the ______.
A. Basophils; neutrophils
B. Lymphocytes; neutrophils
C. Eosinophils; monocytes
D. Neutrophils; monocytes
E. Lymphocytes; monocytes - Correct Answer -Lymphocytes; monocytes
During the cardiac cycle,
A. All four chambers of the heart are in systole at the same time.
B. The two atria relax while the two ventricles contract.
C. All four chambers of the heart contract at the same time.
D. The left atrium contracts before the right atrium.
E. The right atrium and the right ventricle contract simultaneously. - Correct
Answer -The two atria relax while the two ventricles contract.
The action potentials are slowed at the AV node to allow the
A. Pacemaker to reset for the next beat.
,B. Ventricles to repolarize.
C. Atria to begin their contraction.
D. Ventricles to completely empty of blood.
E. Atria to complete their contraction. - Correct Answer -Atria to complete
their contraction.
The dicrotic notch in the aortic pressure curve is due to the
A. Increase in intraventricular pressure during ejection.
B. Closure of the semilunar valves.
C. Elasticity of the arterial wall.
D. Closure of the left AV valve.
E. Backflow of blood toward the ventricles. - Correct Answer -Backflow of
blood toward the ventricles.
Mitral valve prolapse causes blood to leak back into the _______ when the
ventricles contract.
A. Left atrium
B. Right atrium
C. Pulmonary trunk
D. Aorta
E. Pulmonary arteries - Correct Answer -Left atrium
The procedure whereby a small balloon is placed into a partially occluded
coronary artery and then inflated to increased blood flow through the artery
is called a/an _______.
A. Urokinase injection
B. Angioplasty
, C. Angiogram
D. Tissue plasminogen activation
E. Coronary bypass - Correct Answer -Angioplasty
If the SA node is nonfunctional, which of the following is most likely to
occur?
A. The heart will be desensitized.
B. The heart will go into defibrillation.
C. Another portion of the heart will become the pacemaker.
D. The heart will go into asystole (stop).
E. Tachycardia will develop. - Correct Answer -Another portion of the heart
will become the pacemaker.
The baroreceptor reflex would cause which of the following events to occur
if the reflex was caused by an increase in blood pressure?
A. Increased force of contraction
B. Increased cardiac output
C. Increased heart rate
D. Increased parasympathetic stimulation of the heart
E. Increased sympathetic stimulation of the heart - Correct Answer -
Increased parasympathetic stimulation of the heart
Calcium-induced calcium release occurs when
A. Ca2+ from the sarcoplasmic reticulum stimulates the movement of Ca2+
into the cell through the plasma membrane.
B. The eflux of Ca2+ from the cell results in depolarization.
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