Question 1

If blood has low viscosity, which result would be likely under normal conditions?

Accepted Answer

A)  Blood flows at higher pressures. 
B)  Blood flows against high resistance. 
C)  Blood flow cannot occur. 
D)  Blood flows at lower pressures. 
E)  Blood contains increased numbers of plasma proteins and suspended blood cells. 
A)  Blood flows at higher pressures. 
B)  Blood flows against high resistance. 
C)  Blood flow cannot occur. 
D)  Blood flows at lower pressures. 
E)  Blood contains increased numbers of plasma proteins and suspended blood cells.

Question 2

Why is the osmotic pressure higher in the blood compared to that in the surrounding interstitial fluid?

Accepted Answer

A)  Interstitial fluid contains more dissolved proteins than blood. 
B)  Blood has lower solute concentrations. 
C)  Interstitial fluid has higher solute concentrations. 
D)  There are equal concentrations of dissolved proteins in blood and interstitial fluid. 
E)  Blood contains more dissolved proteins than does interstitial fluid. 
A)  Interstitial fluid contains more dissolved proteins than blood. 
B)  Blood has lower solute concentrations. 
C)  Interstitial fluid has higher solute concentrations. 
D)  There are equal concentrations of dissolved proteins in blood and interstitial fluid. 
E)  Blood contains more dissolved proteins than does interstitial fluid.

Question 3

Regarding the placental blood supply, blood that bypasses the liver capillaries reaches the inferior vena cava within the

Accepted Answer

A)  umbilical vein. 
B)  ductus arteriosus. 
C)  pulmonary trunk. 
D)  foramen ovale. 
E)  ductus venosus. 
A)  umbilical vein. 
B)  ductus arteriosus. 
C)  pulmonary trunk. 
D)  foramen ovale. 
E)  ductus venosus.

Question 4

Which of the following is a remnant of a short, muscular blood vessel that existed in the fetus?

Accepted Answer

A)  hepatic portal 
B)  ligamentum arteriosum 
C)  ductus arteriosus 
D)  umbilical artery 
E)  fossa ovalis 
A)  hepatic portal 
B)  ligamentum arteriosum 
C)  ductus arteriosus 
D)  umbilical artery 
E)  fossa ovalis

Question 5

The palmar venous arches drain into the ________, which is superficial and runs along the medial upper limb.

Accepted Answer

A)  digital vein 
B)  cephalic vein 
C)  axillary vein 
D)  brachial vein 
E)  basilic vein 
A)  digital vein 
B)  cephalic vein 
C)  axillary vein 
D)  brachial vein 
E)  basilic vein

Question 6

Which hormone is released by the kidneys when blood pressure falls or the oxygen content of the blood becomes abnormally low?

Accepted Answer

A)  ADH 
B)  ANP 
C)  angiotensin II 
D)  erythropoietin 
E)  renin 
A)  ADH 
B)  ANP 
C)  angiotensin II 
D)  erythropoietin 
E)  renin

Question 7

Which of the following is a short-circuit that exists between the pulmonary and aortic trunks in the fetus?

Accepted Answer

A)  ductus arteriosus 
B)  ligamentum arteriosum 
C)  foramen ovale 
D)  fossa ovalis 
E)  ductus venosus 
A)  ductus arteriosus 
B)  ligamentum arteriosum 
C)  foramen ovale 
D)  fossa ovalis 
E)  ductus venosus

Question 8

The lumbar arteries are

Accepted Answer

A)  paired and travel in the intercostal spaces. 
B)  paired and found in the aortic arch. 
C)  paired and found on the posterior surface of the aorta. 
D)  single branches of the anterior abdominal aorta. 
E)  a pair of muscular arteries that travel along the inner surface of the ilium. 
A)  paired and travel in the intercostal spaces. 
B)  paired and found in the aortic arch. 
C)  paired and found on the posterior surface of the aorta. 
D)  single branches of the anterior abdominal aorta. 
E)  a pair of muscular arteries that travel along the inner surface of the ilium.

Question 9

Thick-walled vessels, which are large and extremely resilient, are called ________ arteries.

Accepted Answer

A)  coronary 
B)  pulmonary 
C)  elastic 
D)  muscular 
E)  arteriolar 
A)  coronary 
B)  pulmonary 
C)  elastic 
D)  muscular 
E)  arteriolar

Question 10

What is the primary function of the vasomotor center of the medulla oblongata?

Accepted Answer

A)  increases cardiac output through sympathetic innervation 
B)  reduces cardiac output through parasympathetic innervation 
C)  monitors the chemical composition of blood 
D)  monitors the degree of stretch in the walls of expandable organs 
E)  controls the diameters of arterioles through sympathetic innervation 
A)  increases cardiac output through sympathetic innervation 
B)  reduces cardiac output through parasympathetic innervation 
C)  monitors the chemical composition of blood 
D)  monitors the degree of stretch in the walls of expandable organs 
E)  controls the diameters of arterioles through sympathetic innervation

Question 11

Identify the correct match between the artery and the region it supplies.

Accepted Answer

A)  internal carotid/upper digestive tract 
B)  lumbar/diaphragm 
C)  celiac/brain 
D)  renal/kidney 
E)  phrenic/posterior abdominal wall 
A)  internal carotid/upper digestive tract 
B)  lumbar/diaphragm 
C)  celiac/brain 
D)  renal/kidney 
E)  phrenic/posterior abdominal wall

Question 12

The last third portion of the large intestine, including the rectum, receives blood from the

Accepted Answer

A)  inferior mesenteric artery. 
B)  superior mesenteric artery. 
C)  celiac trunk. 
D)  left gastric artery. 
E)  lumbar artery. 
A)  inferior mesenteric artery. 
B)  superior mesenteric artery. 
C)  celiac trunk. 
D)  left gastric artery. 
E)  lumbar artery.

Question 13

Consider a blood pressure reading of 120/80. 120 corresponds to the

Accepted Answer

A)  diastolic pressure. 
B)  systolic pressure. 
C)  pulse pressure. 
D)  mean arterial pressure. 
E)  blood osmotic pressure. 
A)  diastolic pressure. 
B)  systolic pressure. 
C)  pulse pressure. 
D)  mean arterial pressure. 
E)  blood osmotic pressure.

Question 14

The force that pushes fluid out of the capillaries is called

Accepted Answer

A)  capillary hydrostatic pressure. 
B)  osmotic pressure. 
C)  systolic pressure. 
D)  diastolic pressure. 
E)  pressure gradient. 
A)  capillary hydrostatic pressure. 
B)  osmotic pressure. 
C)  systolic pressure. 
D)  diastolic pressure. 
E)  pressure gradient.

Question 15

Tom loves to soak in hot tubs and whirlpools. One day at a friend's house, he decides to raise the temperature in the hot tub as high as he could tolerate. After a few minutes in the very warm water, he feels faint, passes out, and nearly drowns. Luckily, his friend saves him. Explain what happened physiologically.

Accepted Answer

In response to the high temperature of t

Question 16

Blood from the superficial structures of the head and neck is collected by the

Accepted Answer

A)  vertebral vein. 
B)  axillary vein. 
C)  brachiocephalic vein. 
D)  internal jugular vein. 
E)  external jugular vein. 
A)  vertebral vein. 
B)  axillary vein. 
C)  brachiocephalic vein. 
D)  internal jugular vein. 
E)  external jugular vein.

Question 17

Inside the cranium, the vertebral arteries fuse to form the ________, which continues along the ventral surface of the brain.

Accepted Answer

A)  occipital artery 
B)  posterior cerebral artery 
C)  cerebral arterial circle 
D)  basilar artery 
E)  middle cerebral artery 
A)  occipital artery 
B)  posterior cerebral artery 
C)  cerebral arterial circle 
D)  basilar artery 
E)  middle cerebral artery

Question 18

The third and fourth heart sounds are generated by

Accepted Answer

A)  vascular resistance. 
B)  opening valves. 
C)  closing valves. 
D)  viscosity. 
E)  turbulence. 
A)  vascular resistance. 
B)  opening valves. 
C)  closing valves. 
D)  viscosity. 
E)  turbulence.

Question 19

The vessel that receives most of the blood from organs inferior to the diaphragm is the

Accepted Answer

A)  internal iliac vein. 
B)  external iliac vein. 
C)  superior vena cava. 
D)  inferior vena cava. 
E)  common iliac vein. 
A)  internal iliac vein. 
B)  external iliac vein. 
C)  superior vena cava. 
D)  inferior vena cava. 
E)  common iliac vein.

Question 20

On their way toward the liver, veins from the spleen, the lateral border of the stomach, and the pancreas fuse with the inferior mesenteric veins, forming the

Accepted Answer

A)  gastric vein. 
B)  splenic vein. 
C)  superior mesenteric vein. 
D)  cystic vein. 
E)  hepatic vein. 
A)  gastric vein. 
B)  splenic vein. 
C)  superior mesenteric vein. 
D)  cystic vein. 
E)  hepatic vein.

If blood has low viscosity, which result would be likely under normal conditions?

Why is the osmotic pressure higher in the blood compared to that in the surrounding interstitial fluid?

Regarding the placental blood supply, blood that bypasses the liver capillaries reaches the inferior vena cava within the

Which of the following is a remnant of a short, muscular blood vessel that existed in the fetus?

The palmar venous arches drain into the ________, which is superficial and runs along the medial upper limb.

Which hormone is released by the kidneys when blood pressure falls or the oxygen content of the blood becomes abnormally low?

Which of the following is a short-circuit that exists between the pulmonary and aortic trunks in the fetus?

The lumbar arteries are

Thick-walled vessels, which are large and extremely resilient, are called ________ arteries.

What is the primary function of the vasomotor center of the medulla oblongata?

Identify the correct match between the artery and the region it supplies.

The last third portion of the large intestine, including the rectum, receives blood from the

Consider a blood pressure reading of 120/80. 120 corresponds to the

The force that pushes fluid out of the capillaries is called

Blood from the superficial structures of the head and neck is collected by the

Inside the cranium, the vertebral arteries fuse to form the ________, which continues along the ventral surface of the brain.

The third and fourth heart sounds are generated by

The vessel that receives most of the blood from organs inferior to the diaphragm is the

On their way toward the liver, veins from the spleen, the lateral border of the stomach, and the pancreas fuse with the inferior mesenteric veins, forming the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

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Exam 13: The Cardiovascular System: Blood Vessels and Circulation

If blood has low viscosity, which result would be likely under normal conditions?

Why is the osmotic pressure higher in the blood compared to that in the surrounding interstitial fluid?

Regarding the placental blood supply, blood that bypasses the liver capillaries reaches the inferior vena cava within the

Which of the following is a remnant of a short, muscular blood vessel that existed in the fetus?

The palmar venous arches drain into the ________, which is superficial and runs along the medial upper limb.

Which hormone is released by the kidneys when blood pressure falls or the oxygen content of the blood becomes abnormally low?

Which of the following is a short-circuit that exists between the pulmonary and aortic trunks in the fetus?

The lumbar arteries are

Thick-walled vessels, which are large and extremely resilient, are called ________ arteries.

What is the primary function of the vasomotor center of the medulla oblongata?

Identify the correct match between the artery and the region it supplies.

The last third portion of the large intestine, including the rectum, receives blood from the

Consider a blood pressure reading of 120/80. 120 corresponds to the

The force that pushes fluid out of the capillaries is called

Blood from the superficial structures of the head and neck is collected by the

Inside the cranium, the vertebral arteries fuse to form the ________, which continues along the ventral surface of the brain.

The third and fourth heart sounds are generated by

The vessel that receives most of the blood from organs inferior to the diaphragm is the

On their way toward the liver, veins from the spleen, the lateral border of the stomach, and the pancreas fuse with the inferior mesenteric veins, forming the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters