Question 1

Which of the following would increase resistance to blood flow?

Accepted Answer

A) a decrease in the length of the vessel 
B) a decrease in the number of red blood cells 
C) a decrease in blood viscosity 
D) a decrease in the radius of the vessel 
E) a decreased hematocrit 
A) a decrease in the length of the vessel 
B) a decrease in the number of red blood cells 
C) a decrease in blood viscosity 
D) a decrease in the radius of the vessel 
E) a decreased hematocrit

Question 2

Which of the following functions is associated with vessels that carry blood directly from arterioles to veins without passing through capillaries?

Accepted Answer

A) thermoregulation 
B) nutrient supply to tissues 
C) removal of metabolic waste products from tissues 
D) oxygen supply to tissues 
E) pH regulation 
A) thermoregulation 
B) nutrient supply to tissues 
C) removal of metabolic waste products from tissues 
D) oxygen supply to tissues 
E) pH regulation

Question 3

The lining of a capillary is called the

Accepted Answer

A) endothelium. 
B) adventitia. 
C) pericapillary layer. 
D) thoroughfare layer. 
E) tunica adventitia. 
A) endothelium. 
B) adventitia. 
C) pericapillary layer. 
D) thoroughfare layer. 
E) tunica adventitia.

Question 4

Match the term with the appropriate description.
-thrombosis

Accepted Answer

A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia
, 
A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia
,

Question 5

Capillaries have the slowest velocity because

Accepted Answer

A) the total cross-sectional area is the smallest. 
B) the resistance is the greatest. 
C) the total cross-sectional area is the largest. 
D) their diameters are the smallest. 
A) the total cross-sectional area is the smallest. 
B) the resistance is the greatest. 
C) the total cross-sectional area is the largest. 
D) their diameters are the smallest.

Question 6

During exchange at the capillaries,what can cross the endothelial cells,diffusing through the plasma membranes?

Accepted Answer

A)  Proteins 
B)  Large water-soluble substances 
C)  Hormones 
D)  Red blood cells 
E)  Lipid-soluble substances 
A)  Proteins 
B)  Large water-soluble substances 
C)  Hormones 
D)  Red blood cells 
E)  Lipid-soluble substances

Question 7

A blood pressure reading of 120/80 would

Accepted Answer

A) indicate a diastolic pressure of 120 mm Hg. 
B) have Korotkoff sounds at pressures above 120 mm Hg. 
C) indicate a systolic pressure of 120 mm Hg. 
D) indicate a systolic pressure of 80 mm Hg. 
E) would be considered hypertensive. 
A) indicate a diastolic pressure of 120 mm Hg. 
B) have Korotkoff sounds at pressures above 120 mm Hg. 
C) indicate a systolic pressure of 120 mm Hg. 
D) indicate a systolic pressure of 80 mm Hg. 
E) would be considered hypertensive.

Question 8

Which of the following organs would be most likely to contain fenestrated capillaries?

Accepted Answer

A) spleen 
B) kidney 
C) bone marrow 
D) muscle 
E) pancreas 
A) spleen 
B) kidney 
C) bone marrow 
D) muscle 
E) pancreas

Question 9

Match the vessel with the appropriate description.
-cerebral arterial circle

Accepted Answer

A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta 
A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta

Question 10

Urine output usually decreases when a person is in shock.This is the result of

Accepted Answer

A) decreased ADH secretion. 
B) increased renin secretion. 
C) increased secretion of atrial natriuretic factor. 
D) decreased vasoconstriction due to the stress relaxation response. 
E) decreased aldosterone secretion 
A) decreased ADH secretion. 
B) increased renin secretion. 
C) increased secretion of atrial natriuretic factor. 
D) decreased vasoconstriction due to the stress relaxation response. 
E) decreased aldosterone secretion

Question 11

Match the vessel with the appropriate description.
-middle cerebral artery

Accepted Answer

A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta 
A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta

Question 12

Hardening of the arteries results in _______ and deposition of plaques in the walls of the arteries results in ______.

Accepted Answer

A)  atherosclerosis; arteriosclerosis 
B)  atherosclerosis; phlebitis 
C)  phlebitis; atherosclerosis 
D)  phlebitis; arteriosclerosis 
E)  arteriosclerosis; atherosclerosis 
A)  atherosclerosis; arteriosclerosis 
B)  atherosclerosis; phlebitis 
C)  phlebitis; atherosclerosis 
D)  phlebitis; arteriosclerosis 
E)  arteriosclerosis; atherosclerosis

Question 13

All of the following can serve as vasodilators,except

Accepted Answer

A)  Lactic acid 
B)  AMP 
C)  EDRF 
D)  Carbon dioxide 
E)  Oxygen 
A)  Lactic acid 
B)  AMP 
C)  EDRF 
D)  Carbon dioxide 
E)  Oxygen

Question 14

How would you describe the streamlined movement of blood through a vessel?

Accepted Answer

A)  Turbulent flow 
B)  Mercurial flow 
C)  Blood viscosity 
D)  Blood pressure 
E)  Laminar flow 
A)  Turbulent flow 
B)  Mercurial flow 
C)  Blood viscosity 
D)  Blood pressure 
E)  Laminar flow

Question 15

A vein responsible for draining blood from the upper limb is the

Accepted Answer

A) azygos vein. 
B) portal vein. 
C) cephalic vein. 
D) peroneal vein. 
E) common iliac vein. 
A) azygos vein. 
B) portal vein. 
C) cephalic vein. 
D) peroneal vein. 
E) common iliac vein.

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Which of the following would increase resistance to blood flow?

Which of the following functions is associated with vessels that carry blood directly from arterioles to veins without passing through capillaries?

The lining of a capillary is called the

Match the term with the appropriate description. -thrombosis

Capillaries have the slowest velocity because

During exchange at the capillaries,what can cross the endothelial cells,diffusing through the plasma membranes?

A blood pressure reading of 120/80 would

Which of the following organs would be most likely to contain fenestrated capillaries?

Match the vessel with the appropriate description. -cerebral arterial circle

Urine output usually decreases when a person is in shock.This is the result of

Match the vessel with the appropriate description. -middle cerebral artery

Hardening of the arteries results in _______ and deposition of plaques in the walls of the arteries results in ______.

All of the following can serve as vasodilators,except

How would you describe the streamlined movement of blood through a vessel?

A vein responsible for draining blood from the upper limb is the

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

Filters

Hardening of the arteries results in _ and deposition of plaques in the walls of the arteries results in .