A&P 163 Previous Tests 2024 Questions & Answers |
100% Correct | Verified
When defective erythrocytes are broken down,
A) they are removed from the blood by the lungs.
B) their iron is excreted into the small intestine.
C) bilirubin is formed from the breakdown of hemoglobin.
D) their heme groups are converted into amino acids.
E) their components cannot be recycled. - ✔✔C) bilirubin is formed from the breakdown of hemoglobin.
The exchange of nutrients and gases between the blood and tissue cells is the primary function of
__________.
A) arterioles
B) veins
C) venules
D) arteries
E) capillaries - ✔✔E) capillaries
Resistance in the cardiovascular system
A) is directly related to flow (↑ R → ↑ Flow).
B) tends to decrease as the diameter of blood vessels decreases.
C) does not occur. If it did, blood would not circulate in the blood vessels.
D) tends to increase if blood viscosity increases.
E) dramatically increases blood flow through the circulatory system. - ✔✔D) tends to increase if blood
viscosity increases.
,Which blood component is NOT correctly matched with its function?
A) Monocytes - become macrophages
B) Leukocytes - protect against disease
C) Platelets - phagocytize bacteria
D) Erythrocytes - transport oxygen
E) Plasma proteins - maintain blood osmotic pressure; involved in clotting - ✔✔C) Platelets - phagocytize
bacteria
The volume of blood pumped during each cardiac cycle is the
Multiple Choice
A) stroke volume.
B) end-systolic volume.
C) end-diastolic volume.
D) cardiac reserve.
E) cardiac output. - ✔✔A) stroke volume.
Plasma is __________ while formed elements are __________.
A) a blood gas; blood clots
B) the liquid portion of blood; the cells
C) mostly protein; the matrix
D) lacking in protein; regulators of blood osmolality
E) the cellular portion of blood; acellular components - ✔✔B) the liquid portion of blood; the cells
Which vessels transport blood to the right and left lungs?
A) Aorta
B) Pulmonary veins
,C) Pulmonary trunk
D) Right atrium
E) Pulmonary arteries - ✔✔E) Pulmonary arteries
A patient was administered drugs to reduce her heart rate. Which of the following conditions was she
likely to have experienced, and what other factor could be altered to enhance the current treatment?
A) The patient most likely has low blood pressure, and stimulation of vasoconstriction would also help
increase her blood pressure.
B) The patient most likely has hypertension, and stimulation of vasoconstriction would also help lower
her blood pressure.
C) The patient most likely has low blood pressure, and stimulation of vasodilation would also help
increase her blood pressure.
D) The patient most likely has hypertension, and stimulation of vasodilation would also help lower her
blood pressure. - ✔✔D) The patient most likely has hypertension, and stimulation of vasodilation would
also help lower her blood pressure.
Which of the following acts as a storage area for blood?
A) Veins
B) Arteries
C) Aorta
D) Capillaries
E) Arterioles - ✔✔A) Veins
Hormones from the adrenal medulla
A) decrease the heart rate.
B) are released in response to vagal stimulation.
C) cause an increase in stroke volume.
D) cause vasodilation in blood vessels of the skin.
, E) are released in response to parasympathetic stimulation. - ✔✔C) cause an increase in stroke volume.
If a young boy is diagnosed with hemophilia, he would have
A) a type of cancer affecting white blood cells.
B) an increased erythrocyte count.
C) an antigen-antibody reaction.
D) an infection of the blood.
E) a disorder of the clotting process. - ✔✔E) a disorder of the clotting process.
As viscosity of the blood increases,
A) the pressure required to force it to flow decreases.
B) the pressure required to force it to flow increases.
C) the fluid becomes thinner.
D) the flow does not change.
E) the hematocrit decreases. - ✔✔B) the pressure required to force it to flow increases.
Ginger had her blood analyzed and was informed that both anti-B and anti-D antibodies were present.
Which of the following accurately explain her test results?
A) Ginger has type A− blood, but has never been exposed to either the B nor D antigens.
B) Ginger is most likely O− and though she has been exposed to the B and D antigen, she has not been
exposed to the A antigen.
C) Ginger is type B+ and has not been exposed to the B nor the D antigens.
D) Ginger has type A− blood and has been exposed to the D antigen at some time in her life. - ✔✔A)
Ginger has type A− blood, but has never been exposed to either the B nor D antigens.
The valve located between the right ventricle and the pulmonary trunk is the
100% Correct | Verified
When defective erythrocytes are broken down,
A) they are removed from the blood by the lungs.
B) their iron is excreted into the small intestine.
C) bilirubin is formed from the breakdown of hemoglobin.
D) their heme groups are converted into amino acids.
E) their components cannot be recycled. - ✔✔C) bilirubin is formed from the breakdown of hemoglobin.
The exchange of nutrients and gases between the blood and tissue cells is the primary function of
__________.
A) arterioles
B) veins
C) venules
D) arteries
E) capillaries - ✔✔E) capillaries
Resistance in the cardiovascular system
A) is directly related to flow (↑ R → ↑ Flow).
B) tends to decrease as the diameter of blood vessels decreases.
C) does not occur. If it did, blood would not circulate in the blood vessels.
D) tends to increase if blood viscosity increases.
E) dramatically increases blood flow through the circulatory system. - ✔✔D) tends to increase if blood
viscosity increases.
,Which blood component is NOT correctly matched with its function?
A) Monocytes - become macrophages
B) Leukocytes - protect against disease
C) Platelets - phagocytize bacteria
D) Erythrocytes - transport oxygen
E) Plasma proteins - maintain blood osmotic pressure; involved in clotting - ✔✔C) Platelets - phagocytize
bacteria
The volume of blood pumped during each cardiac cycle is the
Multiple Choice
A) stroke volume.
B) end-systolic volume.
C) end-diastolic volume.
D) cardiac reserve.
E) cardiac output. - ✔✔A) stroke volume.
Plasma is __________ while formed elements are __________.
A) a blood gas; blood clots
B) the liquid portion of blood; the cells
C) mostly protein; the matrix
D) lacking in protein; regulators of blood osmolality
E) the cellular portion of blood; acellular components - ✔✔B) the liquid portion of blood; the cells
Which vessels transport blood to the right and left lungs?
A) Aorta
B) Pulmonary veins
,C) Pulmonary trunk
D) Right atrium
E) Pulmonary arteries - ✔✔E) Pulmonary arteries
A patient was administered drugs to reduce her heart rate. Which of the following conditions was she
likely to have experienced, and what other factor could be altered to enhance the current treatment?
A) The patient most likely has low blood pressure, and stimulation of vasoconstriction would also help
increase her blood pressure.
B) The patient most likely has hypertension, and stimulation of vasoconstriction would also help lower
her blood pressure.
C) The patient most likely has low blood pressure, and stimulation of vasodilation would also help
increase her blood pressure.
D) The patient most likely has hypertension, and stimulation of vasodilation would also help lower her
blood pressure. - ✔✔D) The patient most likely has hypertension, and stimulation of vasodilation would
also help lower her blood pressure.
Which of the following acts as a storage area for blood?
A) Veins
B) Arteries
C) Aorta
D) Capillaries
E) Arterioles - ✔✔A) Veins
Hormones from the adrenal medulla
A) decrease the heart rate.
B) are released in response to vagal stimulation.
C) cause an increase in stroke volume.
D) cause vasodilation in blood vessels of the skin.
, E) are released in response to parasympathetic stimulation. - ✔✔C) cause an increase in stroke volume.
If a young boy is diagnosed with hemophilia, he would have
A) a type of cancer affecting white blood cells.
B) an increased erythrocyte count.
C) an antigen-antibody reaction.
D) an infection of the blood.
E) a disorder of the clotting process. - ✔✔E) a disorder of the clotting process.
As viscosity of the blood increases,
A) the pressure required to force it to flow decreases.
B) the pressure required to force it to flow increases.
C) the fluid becomes thinner.
D) the flow does not change.
E) the hematocrit decreases. - ✔✔B) the pressure required to force it to flow increases.
Ginger had her blood analyzed and was informed that both anti-B and anti-D antibodies were present.
Which of the following accurately explain her test results?
A) Ginger has type A− blood, but has never been exposed to either the B nor D antigens.
B) Ginger is most likely O− and though she has been exposed to the B and D antigen, she has not been
exposed to the A antigen.
C) Ginger is type B+ and has not been exposed to the B nor the D antigens.
D) Ginger has type A− blood and has been exposed to the D antigen at some time in her life. - ✔✔A)
Ginger has type A− blood, but has never been exposed to either the B nor D antigens.
The valve located between the right ventricle and the pulmonary trunk is the
