Question 1

Fenestrae are structures that:

Accepted Answer

A)  Allow communication between smooth muscle cells otherwise separated by an elastic lamina in the tunica media 
B)  Allow for the diffusion of molecules between the cytoplasm of the endothelium and underlying smooth muscle cells 
C)  Anchor the bases of valves to the endothelium of lymphatic vessels 
D)  Carry electrical impulses in the endocardium of the heart 
E)  Penetrate through the cytoplasm of endothelial cells of capillaries 
A)  Allow communication between smooth muscle cells otherwise separated by an elastic lamina in the tunica media 
B)  Allow for the diffusion of molecules between the cytoplasm of the endothelium and underlying smooth muscle cells 
C)  Anchor the bases of valves to the endothelium of lymphatic vessels 
D)  Carry electrical impulses in the endocardium of the heart 
E)  Penetrate through the cytoplasm of endothelial cells of capillaries E

Question 2

Pericytes are contractile cells found in which location?

Accepted Answer

A)  Adherent to smooth muscle cells in the tunica media of arterioles 
B)  Adjacent to the surfaces of capillaries 
C)  Exclusively in elastic arteries 
D)  Within the tunica intima of veins 
E)  Within valves of lymphatic vessels 
A)  Adherent to smooth muscle cells in the tunica media of arterioles 
B)  Adjacent to the surfaces of capillaries 
C)  Exclusively in elastic arteries 
D)  Within the tunica intima of veins 
E)  Within valves of lymphatic vessels B

Question 3

A blood vessel with a regular,round profile in cross section,a diameter of about 100 $\mu$m,and one to two layers of smooth muscle would be classified as a(n):

Accepted Answer

A)  Arteriole 
B)  Capillary 
C)  Elastic artery 
D)  Muscular artery 
E)  Venule 
A)  Arteriole 
B)  Capillary 
C)  Elastic artery 
D)  Muscular artery 
E)  Venule A

Question 4

A blood vessel seen under the microscope has a tunica intima that is 10 $\mu$m thick,a tunica media that is 100 $\mu$m thick,and a tunica adventitia that is 40 $\mu$m thick.Which type of blood vessel is this?

Accepted Answer

A)  Capillary 
B)  Muscular artery 
C)  Sinusoid 
D)  Venule 
E)  Vein 
A)  Capillary 
B)  Muscular artery 
C)  Sinusoid 
D)  Venule 
E)  Vein

Question 5

Aortic aneurysms are a serious symptom present in Marfan's syndrome.They result from an improper function of:

Accepted Answer

A)  Elastic laminae produced by smooth muscle cells 
B)  Gap junctions between cells of the tunica intima and tunica media 
C)  Reticular fibers in the tunica intima 
D)  Tight junctions of endothelial cells 
E)  Vasa vasorum of the tunica adventitia 
A)  Elastic laminae produced by smooth muscle cells 
B)  Gap junctions between cells of the tunica intima and tunica media 
C)  Reticular fibers in the tunica intima 
D)  Tight junctions of endothelial cells 
E)  Vasa vasorum of the tunica adventitia

Question 6

Which vessel layer is the thickest in a histologic section of the vena cava?

Accepted Answer

A)  External elastic lamina 
B)  Internal elastic lamina 
C)  Tunica adventitia 
D)  Tunica intima 
E)  Tunica media 
A)  External elastic lamina 
B)  Internal elastic lamina 
C)  Tunica adventitia 
D)  Tunica intima 
E)  Tunica media

Question 7

Weibel-Palade bodies containing the procoagulant protein von Willebrand's factor are found in:

Accepted Answer

A)  Endothelial cells of the tunica intima 
B)  Fibroblasts of the tunica adventitia 
C)  Macrophages of the tunica intima 
D)  Nerve endings in the tunica adventitia 
E)  Smooth muscle cells of the tunica media 
A)  Endothelial cells of the tunica intima 
B)  Fibroblasts of the tunica adventitia 
C)  Macrophages of the tunica intima 
D)  Nerve endings in the tunica adventitia 
E)  Smooth muscle cells of the tunica media

Fenestrae are structures that:

Pericytes are contractile cells found in which location?

A blood vessel with a regular,round profile in cross section,a diameter of about 100 $\mu$ m,and one to two layers of smooth muscle would be classified as a(n):

A blood vessel seen under the microscope has a tunica intima that is 10 $\mu$ m thick,a tunica media that is 100 $\mu$ m thick,and a tunica adventitia that is 40 $\mu$ m thick.Which type of blood vessel is this?

Aortic aneurysms are a serious symptom present in Marfan's syndrome.They result from an improper function of:

Which vessel layer is the thickest in a histologic section of the vena cava?

Weibel-Palade bodies containing the procoagulant protein von Willebrand's factor are found in:

The Cell

Epithelium and Exocrine Glands

Connective Tissue

Muscle Tissue

Nervous Tissue

Cartilage and Bone

Blood and Bone Marrow

Lymphoid System

Endocrine System

Integumentary System

Upper Digestive System

Lower Digestive System

Liver, Gallbladder, and Exocrine Pancreas

Respiratory System

Urinary System

Male Reproductive System

Female Reproductive System

Eye and Adnexa

Special Senses

Filters

Exam 8: Cardiovascular System

Fenestrae are structures that:

Pericytes are contractile cells found in which location?

A blood vessel with a regular,round profile in cross section,a diameter of about 100 μ\muμ m,and one to two layers of smooth muscle would be classified as a(n):

A blood vessel seen under the microscope has a tunica intima that is 10 μ\muμ m thick,a tunica media that is 100 μ\muμ m thick,and a tunica adventitia that is 40 μ\muμ m thick.Which type of blood vessel is this?

Aortic aneurysms are a serious symptom present in Marfan's syndrome.They result from an improper function of:

Which vessel layer is the thickest in a histologic section of the vena cava?

Weibel-Palade bodies containing the procoagulant protein von Willebrand's factor are found in:

The Cell

Epithelium and Exocrine Glands

Connective Tissue

Muscle Tissue

Nervous Tissue

Cartilage and Bone

Blood and Bone Marrow

Lymphoid System

Endocrine System

Integumentary System

Upper Digestive System

Lower Digestive System

Liver, Gallbladder, and Exocrine Pancreas

Respiratory System

Urinary System

Male Reproductive System

Female Reproductive System

Eye and Adnexa

Special Senses

Filters

A blood vessel with a regular,round profile in cross section,a diameter of about 100 $\mu$ m,and one to two layers of smooth muscle would be classified as a(n):

A blood vessel seen under the microscope has a tunica intima that is 10 $\mu$ m thick,a tunica media that is 100 $\mu$ m thick,and a tunica adventitia that is 40 $\mu$ m thick.Which type of blood vessel is this?