Question 1

Which of the following lumen diameters would be typical of a muscular artery?

Accepted Answer

A)  0) 2 mm
B)  1) 0 cm
C)  0) 4 mm
D)  0) 4 cm
E)  1) 5 cm

Question 2

Figure 21-1 Arteries
Use Figure 21-1 to answer the following questions:
-Identify the artery labeled "12."

Accepted Answer

A)  axillary
B)  inferior mesenteric
C)  celiac trunk
D)  superior mesenteric
E)  splenic

Question 3

After blood leaves the capillaries,it enters the

Accepted Answer

A)  arteries.
B)  arterioles.
C)  capillaries.
D)  venules.
E)  veins.

Question 4

Fear can result in

Accepted Answer

A)  increased stimulation of the cardioinhibitory center by higher brain centers.
B)  increased stimulation of the cardioaccelerator center by higher brain centers.
C)  decreased heart rate.
D)  decreased blood pressure.
E)  parasympathetic stimulation.

Question 5

The ________ divides the aorta into the thoracic aorta and the abdominal aorta.

Accepted Answer

A)  pericardium
B)  mediastinum
C)  diaphragm
D)  peritoneum
E)  pleura

Question 6

The regulation of blood flow by local mechanisms within a capillary bed is called

Accepted Answer

A)  autoregulation.
B)  hormonal regulation.
C)  hemoregulation.
D)  vasoregulation.
E)  neuroregulation.

Question 7

Which of the following is normally the greatest source acting against blood flow?

Accepted Answer

A)  vascular resistance
B)  venous pressure
C)  viscosity of blood
D)  vessel length
E)  turbulence

Question 8

The hepatic portal vein forms from the fusion of the superior and inferior ________ and the splenic veins.

Accepted Answer

A)  hepatic veins
B)  iliac veins
C)  mesenteric veins
D)  pelvic veins
E)  vena cavae

Question 9

Figure 21-2 Veins
Use Figure 21-2 to answer the following questions:
-Identify the vein labeled "10."

Accepted Answer

A)  inferior vena cava
B)  superior vena cava
C)  aorta
D)  pulmonary
E)  thoracic

Question 10

During exercise,the blood flow to the active skeletal muscles is increased by autoregulation.How does this work? What other controls on blood flow operate?

Accepted Answer

When a skeletal muscle becomes more acti...

Question 11

Blood pressure is determined by

Accepted Answer

A)  measuring the size of the pulse.
B)  listening carefully to the pulse.
C)  estimating the pressure needed to close off an artery with an external pressure cuff.
D)  estimating the degree of turbulence in a partly closed vessel.
E)  measuring the force of contraction of the left ventricle.

Question 12

The vein that is formed from the fusion of the subclavian with the internal and external jugulars is the ________ vein.

Accepted Answer

A)  azygos
B)  hemiazygos
C)  axillary
D)  iliac
E)  brachiocephalic

Question 13

The two vertebral arteries fuse to form a large artery called the

Accepted Answer

A)  cerebral arterial circle.
B)  common carotid artery.
C)  external carotid artery.
D)  internal carotid artery.
E)  basilar artery.

Question 14

The blood vessel that supplies blood to the head and neck is the ________ artery.

Accepted Answer

A)  brachiocephalic
B)  vertebral
C)  subclavian
D)  common carotid
E)  cervical

Question 15

The layer between the tunica media and the tunica externa in a large artery is the

Accepted Answer

A)  tunica intima.
B)  external elastic membrane.
C)  tunica media.
D)  internal elastic membrane.
E)  tunica externa.

Question 16

The vessels that receive blood from the ovaries or testes are the

Accepted Answer

A)  gonadal veins.
B)  reproductive veins.
C)  inferior vena cavae.
D)  pelvic veins.
E)  pubic veins.

Question 17

The ________ collects blood from the entire small intestine and two-thirds of the large intestine.

Accepted Answer

A)  celiac trunk
B)  hepatic portal vein
C)  splenic vein
D)  gastric vein
E)  superior mesenteric vein

Question 18

The larger of the two branches of the common iliac artery is the ________ artery.

Accepted Answer

A)  superficial iliac
B)  deep iliac
C)  external iliac
D)  internal iliac

Question 19

As blood travels from arteries to veins,

Accepted Answer

A)  viscosity of blood changes.
B)  pressure increases.
C)  diameter of the blood vessels gets progressively smaller.
D)  pressure decreases.
E)  flow becomes turbulent.

Question 20

Clinically,the term blood pressure usually refers to

Accepted Answer

A)  arteriovenous pressure.
B)  capillary hydrostatic pressure.
C)  arterial pressure.
D)  peripheral pressure.
E)  pulse pressure.

Exam 21: Blood Vessels and Circulation

The larger of the two branches of the common iliac artery is the ________ artery.

Correct AnswerverifiedShow Answer

Which of the following lumen diameters would be typical of a muscular artery?

Correct AnswerverifiedShow Answer

The ________ divides the aorta into the thoracic aorta and the abdominal aorta.

Correct AnswerverifiedShow Answer

Fear can result in

Correct AnswerverifiedShow Answer

The hepatic portal vein forms from the fusion of the superior and inferior ________ and the splenic veins.

Correct AnswerverifiedShow Answer

Figure 21-1 Arteries Use Figure 21-1 to answer the following questions: -Identify the artery labeled "12."

Correct AnswerverifiedShow Answer

During exercise,the blood flow to the active skeletal muscles is increased by autoregulation.How does this work? What other controls on blood flow operate?

Correct AnswerverifiedWhen a skeletal muscle becomes more acti...View AnswerShow Answer

The blood vessel that supplies blood to the head and neck is the ________ artery.

Correct AnswerverifiedShow Answer

Figure 21-2 Veins Use Figure 21-2 to answer the following questions: -Identify the vein labeled "10."

Correct AnswerverifiedShow Answer

Clinically,the term blood pressure usually refers to

Correct AnswerverifiedShow Answer

The regulation of blood flow by local mechanisms within a capillary bed is called

Correct AnswerverifiedShow Answer

Which of the following is normally the greatest source acting against blood flow?

Correct AnswerverifiedShow Answer

Blood pressure is determined by

Correct AnswerverifiedShow Answer

As blood travels from arteries to veins,

Correct AnswerverifiedShow Answer

The layer between the tunica media and the tunica externa in a large artery is the

Correct AnswerverifiedShow Answer

The vein that is formed from the fusion of the subclavian with the internal and external jugulars is the ________ vein.

Correct AnswerverifiedShow Answer

After blood leaves the capillaries,it enters the

Correct AnswerverifiedShow Answer

The two vertebral arteries fuse to form a large artery called the

Correct AnswerverifiedShow Answer

The ________ collects blood from the entire small intestine and two-thirds of the large intestine.

Correct AnswerverifiedShow Answer

The vessels that receive blood from the ovaries or testes are the

Correct AnswerverifiedShow Answer

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When a skeletal muscle becomes more acti...
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