A&P II FINAL EXAM 2023 LATEST UPDATE
EXPERT VERIFIED QUESTIONS WITH DETAILED
ANSWERS| ALREADY GRADED A|
GUARANTEED PASS| REAL
Normal heart sounds are caused by which of the following events?
A. closure of the heart valves
B. friction of blood against the chamber walls
C. contraction of ventricular muscle
D. excitation of the SA node
A. closure of the heart valves
The left ventricular wall of the heart is thicker than the right wall in order to _____.
A. pump blood with greater pressure
B. pump blood through a smaller valve
C. Expand the thoracic cage during diastole
D. accommodate a greater volume of blood
A. pump blood with greater pressure
The P wave of a normal electrocardiogram indications____.
A. ventricular repolarization
B. atrial depolarization
C. ventricular depolarization
D. atrial repolarization
B. atrial depolarization
Blood within the pulmonary veins returns to the ______.
A. left atrium
B. right atrium
C. left ventricle
D. right ventricle
A. left atrium
Small muscle masses attached to the chordae tendineae are the _____.
A. venae cavae
B. pectinate muscles
,C. trabeculae carneae
D. papillary muscles
D. papillary muscles
If cardiac muscle is deprived of its normal blood supply, damage would primarily result from
_______.
A. a decrease in the number of available mitochondria for energy production
B. an inadequate supply of lactic acid
C. a lack of nutrients to feed into the metabolic pathways
D. decreased delivery of oxygen
D. decreased delivery of oxygen
The pericardial cavity ________.
A. is another name for the chambers of the heart
B. is a space between a fibrous pericardium and the serous pericardium
C. contains a lubricating fluid called serous fluid
D. is the region of the dorsal cavity that contains the heart
C. contains the lubricating fluid called serous fluid
Which of the following might trigger erythropoiesis?
A. Moving to a lower altitude
B. decreased tissue demand for oxygen
C. hypoxia of EPO-producing cells
D. an increased number of RBC's
C. hypoxia of EPO-producing cells
As red blood cells age _____.
A. iron will be excreted by the kidneys
B. ATP production increases
C. membranes "wear out" and the cells become damaged
D. they will eventually be excreted by the digestive system
C. membranes "wear out" and the cells become damaged
Select the correct statement regarding blood cell formation.
A. Yellow marrow is the main site of leukocyte formation
B. Before the seventh month of fetal development, yellow marrow is the main site of blood cell
formation
C. Red marrow is the main site of blood cell formation throughout adult life
D. The main sites of blood cell production in adults are the spleen and the liver
C. Red marrow is the main site of blood cell formation throughout adult life
The slowest step in the clotting process is ____.
A. formation of prothrombin activator
, B. production of fibrin strands
C. release of PF3
D. binding fibrin strands
A. formation of prothrombin activator
Which of the following is characteristic of all leukocytes?
A. They are the most numerous of the formed elements in blood
B. They have cytoplasmic granules
C. They are nucleated
D. they are phagocytic
C. They are nucleated
Which sequence is correct for the following events?
1. fibrinogen -> fibrin
2. clot retraction
3. formation of thromboplastin
4. prothrombin -> thrombin
A. 1,2, 3, 4
B. 3, 4, 1, 2
C. 4, 3, 1, 2
D. 3, 2, 1, 4
B. 3, 4, 1, 2 (Formation of thromboplastin, prothrombin ->thrombin, fibronogen -> fibrin, clot
retraction)
Platelets _____.
A. have multiple nuclei
B. stick to the damaged area of a blood vessel and help seal the break
C. are the precursors of leukocytes
D. have a life span of about 120 days
B. Stick to the damaged area of a blood vessel and help seal the break
What organ in the body regulates erythrocyte production?
A. Kidney
B. Liver
C. Pancreas
D. Brain
A. Kidney
Foramen ovale _______.
A. connects the two atria in the fetal heart
B. is a connection between the pulmonary trunk and the aorta in the fetus
EXPERT VERIFIED QUESTIONS WITH DETAILED
ANSWERS| ALREADY GRADED A|
GUARANTEED PASS| REAL
Normal heart sounds are caused by which of the following events?
A. closure of the heart valves
B. friction of blood against the chamber walls
C. contraction of ventricular muscle
D. excitation of the SA node
A. closure of the heart valves
The left ventricular wall of the heart is thicker than the right wall in order to _____.
A. pump blood with greater pressure
B. pump blood through a smaller valve
C. Expand the thoracic cage during diastole
D. accommodate a greater volume of blood
A. pump blood with greater pressure
The P wave of a normal electrocardiogram indications____.
A. ventricular repolarization
B. atrial depolarization
C. ventricular depolarization
D. atrial repolarization
B. atrial depolarization
Blood within the pulmonary veins returns to the ______.
A. left atrium
B. right atrium
C. left ventricle
D. right ventricle
A. left atrium
Small muscle masses attached to the chordae tendineae are the _____.
A. venae cavae
B. pectinate muscles
,C. trabeculae carneae
D. papillary muscles
D. papillary muscles
If cardiac muscle is deprived of its normal blood supply, damage would primarily result from
_______.
A. a decrease in the number of available mitochondria for energy production
B. an inadequate supply of lactic acid
C. a lack of nutrients to feed into the metabolic pathways
D. decreased delivery of oxygen
D. decreased delivery of oxygen
The pericardial cavity ________.
A. is another name for the chambers of the heart
B. is a space between a fibrous pericardium and the serous pericardium
C. contains a lubricating fluid called serous fluid
D. is the region of the dorsal cavity that contains the heart
C. contains the lubricating fluid called serous fluid
Which of the following might trigger erythropoiesis?
A. Moving to a lower altitude
B. decreased tissue demand for oxygen
C. hypoxia of EPO-producing cells
D. an increased number of RBC's
C. hypoxia of EPO-producing cells
As red blood cells age _____.
A. iron will be excreted by the kidneys
B. ATP production increases
C. membranes "wear out" and the cells become damaged
D. they will eventually be excreted by the digestive system
C. membranes "wear out" and the cells become damaged
Select the correct statement regarding blood cell formation.
A. Yellow marrow is the main site of leukocyte formation
B. Before the seventh month of fetal development, yellow marrow is the main site of blood cell
formation
C. Red marrow is the main site of blood cell formation throughout adult life
D. The main sites of blood cell production in adults are the spleen and the liver
C. Red marrow is the main site of blood cell formation throughout adult life
The slowest step in the clotting process is ____.
A. formation of prothrombin activator
, B. production of fibrin strands
C. release of PF3
D. binding fibrin strands
A. formation of prothrombin activator
Which of the following is characteristic of all leukocytes?
A. They are the most numerous of the formed elements in blood
B. They have cytoplasmic granules
C. They are nucleated
D. they are phagocytic
C. They are nucleated
Which sequence is correct for the following events?
1. fibrinogen -> fibrin
2. clot retraction
3. formation of thromboplastin
4. prothrombin -> thrombin
A. 1,2, 3, 4
B. 3, 4, 1, 2
C. 4, 3, 1, 2
D. 3, 2, 1, 4
B. 3, 4, 1, 2 (Formation of thromboplastin, prothrombin ->thrombin, fibronogen -> fibrin, clot
retraction)
Platelets _____.
A. have multiple nuclei
B. stick to the damaged area of a blood vessel and help seal the break
C. are the precursors of leukocytes
D. have a life span of about 120 days
B. Stick to the damaged area of a blood vessel and help seal the break
What organ in the body regulates erythrocyte production?
A. Kidney
B. Liver
C. Pancreas
D. Brain
A. Kidney
Foramen ovale _______.
A. connects the two atria in the fetal heart
B. is a connection between the pulmonary trunk and the aorta in the fetus
