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BIOL 235 FINAL REVIEW QUESTIONS DETAILED VERIFIED ANSWERS A+ GRADE ASSURED
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BIOL 235 FINAL REVIEW QUESTIONS DETAILED VERIFIED ANSWERS A+ GRADE ASSURED
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BIOL 235 FINAL REVIEW QUESTIONSDETAILED VERIFIED ANSWERS /A+
GRADE ASSURED
Which of the following blood cell types normally compromises the highest percentage of
the blood component labeled 2 in the figure?
A) eosinophils
B) monocytes
C) lymphocytes
D) neutrophils
E) basophils - Correct Answer-D
The process by which the formed elements of the blood develop is called
A) hematospermia
B) hemopoiesis
C) thrombocytosis
D) hemostasis
E) polycythemia - Correct Answer-B
The major functions of a red blood cell is
A) nutrient transport
B) cytokine stimulation
C) blood cell proliferation
D) gas transport
E) disease resistance - Correct Answer-D
Which of the following blood cells is a phagocyte?
A) neutrophil
B) platelet
C) lymphocyte
D) basophil
E) erythrocyte - Correct Answer-A
Which of the following hormones stimulates the development of megakaryoblasts?
A) erythropoietin
B) thrombopoietin
C) nitric oxide
D) human growth hormone
E) heparin - Correct Answer-B
The intrinsic and extrinsic pathways of blood clotting are identical after formation of
A) thromboplastin
B) prothrombinase
,C) clotting factor XII
D) fibrin
E) tissue factor - Correct Answer-B
Clotting of an unbroken blood vessel is called?
A) embolism
B) hemolysis
C) fibrinolysis
D) agglutination
E) thrombosis - Correct Answer-E
What blood type is a person if their plasma contains only anti-A agglutinin?
A) A
B) B
C) O
D) AB
E) not enough information is provided to answer the question - Correct Answer-B
The anatomical region found between the lungs that extends from the sternum to the
vertebral column and from the first rib to the diaphragm?
A) epicardium
B) abdominal cavity
C) pericardium
D) mediastinum
E) thoracic cavity - Correct Answer-D
Through which structure does blood pass from the right atrium to the right ventricle?
A) bicuspid valve
B) interventricular septum
C) tricuspid valve
D) mitral valve
E) ascending aorta - Correct Answer-C
Which valve below prevents blood from flowing back into the right ventricle?
A) tricuspid valve
B) bicuspid valve
C) pulmonary semilunar valve
D) aortic semilunar valve
E) mitral valve - Correct Answer-C
Which structure in the figure is labeled C? - Correct Answer-arch of aorta
Why does not a significant amount of blood flow back into the vena cava and coronary
sinus during atrial contraction?
A) the tricuspid valve blocks the venous openings
B) the bicuspid valve blocks the venous openings
, C) the contraction of the atria compresses and closes the venous openings
D) the semilunar valves block the venous openings
E) the venous valves block the venous openings - Correct Answer-D
Cardiac muscle fibers are electrically connected to neighboring fibers by...
A) desmosomes
B) tight junctions
C) gap junctions
D) interneurons
E) chordae tendinae - Correct Answer-C
Which of the following occurs at the beginning of the ventricular diastole?
A) p wave
B) r wave
C) q wave
D) qrs complex
E) t wave - Correct Answer-D
In comparison the skeletal muscle fibers, the contractile fibers of the heart are
depolarized for ______ period of time.
A) a shorter
B) a longer
C) the same - Correct Answer-B
Which term refers to the period of time during a cardiac cycle when contraction of a
chamber occurs and pressure within the chamber rises?
A) filling
B) systole
C) repolarization
D) diastole
E) fibrillation - Correct Answer-B
Which event occurs during ventricular systole?
A) depolarization of the SA node
B) isovolumetric contraction
C) filling of the atria
D) opening of the AV valves
E) ventricular pressure drops - Correct Answer-B
The frank starling law of the heart states that the heart is dependent upon the
autonomic nervous system for a stimulus contract...
A) the heart is dependent upon the autonomic nervous system for a stimulus to contract
B) the absolute refractory period for the heart must be longer than the duration of
contraction for efficient heart functioning
C) the heart contracts to the fullest extent possible for the conditions, or not at all
D) cardiac output equals heart rate multiplied by stroke volume - Correct Answer-D
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