Question 1

The __________ deliver(s) nutrient-rich blood from the small intestine to the liver.

Accepted Answer

A) renal arteries 
B) hepatic portal vein 
C) abdominal aorta 
D) inferior vena cava 
E) coronary arteries 
A) renal arteries 
B) hepatic portal vein 
C) abdominal aorta 
D) inferior vena cava 
E) coronary arteries B

Question 2

Which animal has a closed circulatory system?

Accepted Answer

A) clam 
B) dog 
C) spider 
D) snail 
E) insect 
A) clam 
B) dog 
C) spider 
D) snail 
E) insect B

Question 3

Which of the following is the proper sequence in clotting?

Accepted Answer

A) prothrombin, fibrinogen, fibrin, thrombin, clot 
B) prothrombin, fibrin, fibrinogen, thrombin, clot 
C) prothrombin, thrombin, fibrinogen, fibrin, clot 
D) thrombin, prothrombin, fibrin, fibrinogen, clot 
E) none of these 
A) prothrombin, fibrinogen, fibrin, thrombin, clot 
B) prothrombin, fibrin, fibrinogen, thrombin, clot 
C) prothrombin, thrombin, fibrinogen, fibrin, clot 
D) thrombin, prothrombin, fibrin, fibrinogen, clot 
E) none of these C

Question 4

Which sequence most accurately describes the complete path of blood through the circulatory system of a fish?

Accepted Answer

A) atrium >>> ventricle >>> gill capillaries >>> atrium >>> ventricle >>> all other capillaries 
B) atrium >>> ventricle >>> gill capillaries 
C) gill capillaries >>> atrium >>> ventricle >>> all other capillaries 
D) gill capillaries >>> all other capillaries >>> atrium >>> ventricle 
E) none of these 
A) atrium >>> ventricle >>> gill capillaries >>> atrium >>> ventricle >>> all other capillaries 
B) atrium >>> ventricle >>> gill capillaries 
C) gill capillaries >>> atrium >>> ventricle >>> all other capillaries 
D) gill capillaries >>> all other capillaries >>> atrium >>> ventricle 
E) none of these

Question 5

Which of the following systems is the only one to have direct interactions with the other four?

Accepted Answer

A) digestive 
B) urinary 
C) circulatory 
D) respiratory 
E) endocrine 
A) digestive 
B) urinary 
C) circulatory 
D) respiratory 
E) endocrine

Question 6

Normal blood pressure readings depend on all EXCEPT

Accepted Answer

A) total blood volume. 
B) cardiac output. 
C) arteriole resistance. 
D) pulmonary circulation. 
E) receptors in the aorta and carotid arteries 
A) total blood volume. 
B) cardiac output. 
C) arteriole resistance. 
D) pulmonary circulation. 
E) receptors in the aorta and carotid arteries

Question 7

The pulmonary artery carries blood away from the

Accepted Answer

A) aorta. 
B) right atrium. 
C) right ventricle. 
D) left atrium. 
E) left ventricle. 
A) aorta. 
B) right atrium. 
C) right ventricle. 
D) left atrium. 
E) left ventricle.

Question 8

The animal in the above diagram has a __________ circulatory system.

Accepted Answer

A) closed 
B) open 
C) semi-closed 
D) vascular 
E) none of these 
A) closed 
B) open 
C) semi-closed 
D) vascular 
E) none of these

Question 9

The pacemaker is which of the following nodes?

Accepted Answer

A) sinoatrial 
B) semilunar 
C) atrioventricular 
D) inferior vena cava 
E) superior vena cava 
A) sinoatrial 
B) semilunar 
C) atrioventricular 
D) inferior vena cava 
E) superior vena cava

Question 10

Blood in arteries

Accepted Answer

A) always travels away from the heart. 
B) travels away from the heart only if it is oxygenated. 
C) always travels toward the heart. 
D) travels from the lungs. 
E) is always oxygenated. 
A) always travels away from the heart. 
B) travels away from the heart only if it is oxygenated. 
C) always travels toward the heart. 
D) travels from the lungs. 
E) is always oxygenated.

Question 11

In an Rh incompatability during pregnancy, the mother

Accepted Answer

A) must be positive and her first and second fetuses positive. 
B) must be negative and her first and second fetuses positive. 
C) must be negative and her first and second fetuses negative. 
D) must be positive and her first and second fetuses negative. 
E) and the father must both be negative and the fetus positive. 
A) must be positive and her first and second fetuses positive. 
B) must be negative and her first and second fetuses positive. 
C) must be negative and her first and second fetuses negative. 
D) must be positive and her first and second fetuses negative. 
E) and the father must both be negative and the fetus positive.

Question 12

Which of the following is NOT found in an arteriole?

Accepted Answer

A) elastic layer 
B) basement membrane 
C) rings of smooth muscle 
D) valve 
E) endothelium 
A) elastic layer 
B) basement membrane 
C) rings of smooth muscle 
D) valve 
E) endothelium

Question 13

Which of these statements about hypertension is false?

Accepted Answer

A) Blood pressure remains above 140/90 even at rest. 
B) Poor diet and lack of regular exercise puts one at increased risk. 
C) It may contribute to atherosclerosis. 
D) Most Americans with the disorder seek treatment. 
E) It tends to run in families. 
A) Blood pressure remains above 140/90 even at rest. 
B) Poor diet and lack of regular exercise puts one at increased risk. 
C) It may contribute to atherosclerosis. 
D) Most Americans with the disorder seek treatment. 
E) It tends to run in families.

Question 14

Which of the following controls the distribution of blood?

Accepted Answer

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

Question 15

Which of the following have no nuclei?

Accepted Answer

A) platelets 
B) leukocytes 
C) erythrocytes 
D) platelets and erythrocytes 
E) leukocytes and erythrocytes 
A) platelets 
B) leukocytes 
C) erythrocytes 
D) platelets and erythrocytes 
E) leukocytes and erythrocytes

Question 16

In the human systemic circuit, blood passes through all EXCEPT which of the following?

Accepted Answer

A) liver 
B) limbs 
C) lungs 
D) digestive organs 
E) brain 
A) liver 
B) limbs 
C) lungs 
D) digestive organs 
E) brain

Question 17

Which of the following statements is false?

Accepted Answer

A) A heart will stop beating when the nerves to the heart are severed. 
B) Some cardiac muscle cells are self-excitatory. 
C) The pacemaker of the heart is the sinoatrial node. 
D) Cardiac muscle cells have numerous gap junctions on their sides to allow rapid communication. 
E) Cardiac muscle cells of the two ventricles contract essentially in unison. 
A) A heart will stop beating when the nerves to the heart are severed. 
B) Some cardiac muscle cells are self-excitatory. 
C) The pacemaker of the heart is the sinoatrial node. 
D) Cardiac muscle cells have numerous gap junctions on their sides to allow rapid communication. 
E) Cardiac muscle cells of the two ventricles contract essentially in unison.

Question 18

At the arteriole end of the capillary, more fluid leaves the capillary than enters as a result of

Accepted Answer

A) osmotic pressure. 
B) hydrostatic pressure 
C) gap junctions. 
D) vasodilation. 
E) all of these. 
A) osmotic pressure. 
B) hydrostatic pressure 
C) gap junctions. 
D) vasodilation. 
E) all of these.

Question 19

Which of the following statements is false?

Accepted Answer

A) Tobacco smoking is the most serious risk factor for cardiovascular disease. 
B) Until age 50, males have a greater risk of a heart attack than females. 
C) Hypertension is called the silent killer. 
D) In atherosclerosis, the diameter of the lumen of a blood vessel decreases. 
E) If a blood clot becomes dislodged and travels in the bloodstream, it is called a thrombus. 
A) Tobacco smoking is the most serious risk factor for cardiovascular disease. 
B) Until age 50, males have a greater risk of a heart attack than females. 
C) Hypertension is called the silent killer. 
D) In atherosclerosis, the diameter of the lumen of a blood vessel decreases. 
E) If a blood clot becomes dislodged and travels in the bloodstream, it is called a thrombus.

Question 20

The cardiac conduction system consists of

Accepted Answer

A) the sinoatrial node. 
B) the atrioventricular node. 
C) junctional fibers. 
D) a branching bundle of fibers. 
E) all of these. 
A) the sinoatrial node. 
B) the atrioventricular node. 
C) junctional fibers. 
D) a branching bundle of fibers. 
E) all of these.

Exam 37: Circulation

The __________ deliver(s) nutrient-rich blood from the small intestine to the liver.

Which animal has a closed circulatory system?

Which of the following is the proper sequence in clotting?

Which sequence most accurately describes the complete path of blood through the circulatory system of a fish?

Which of the following systems is the only one to have direct interactions with the other four?

Normal blood pressure readings depend on all EXCEPT

The pulmonary artery carries blood away from the

The animal in the above diagram has a __________ circulatory system.

The pacemaker is which of the following nodes?

Blood in arteries

In an Rh incompatability during pregnancy, the mother

Which of the following is NOT found in an arteriole?

Which of these statements about hypertension is false?

Which of the following controls the distribution of blood?

Which of the following have no nuclei?

In the human systemic circuit, blood passes through all EXCEPT which of the following?

Which of the following statements is false?

At the arteriole end of the capillary, more fluid leaves the capillary than enters as a result of

Which of the following statements is false?

The cardiac conduction system consists of

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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