Question 1

You are a medical student on rounds with your instructor,and you are told to help measure blood pressure,so you hand the instructor a(n)

Accepted Answer

A)  barometer.
B)  stethoscope.
C)  electrocardiogram.
D)  sphygmomanometer.
E)  hygrometer.F) D) and E)
G) None of the above

Question 2

Which is an artery that supplies blood to the heart muscle?

Accepted Answer

A)  aorta
B)  coronary artery
C)  carotid artery
D)  superior vena cava
E)  inferior vena cavaF) C) and D)
G) A) and E)

Question 3

A clumping reaction caused by antibodies in the blood plasma is

Accepted Answer

A)  clotting.
B)  agglutination.
C)  constriction.
D)  atherosclerosis.
E)  inflammation.F) B) and D)
G) None of the above

Question 4

If a doctor tells you to hurry and bring all of the blood components you can find in the lab refrigerator to the operating room,what would you leave behind?

Accepted Answer

A)  lymph
B)  red blood cells
C)  white blood cells
D)  plasma
E)  plateletsF) None of the above
G) A) and D)

Question 5

The middle layer of the wall of an artery or vein,allowing it to withstand and modify blood pressure,is

Accepted Answer

A)  connective tissue.
B)  skeletal muscle.
C)  smooth muscle.
D)  endothelium.
E)  simple squamous epithelial cells.F) B) and D)
G) C) and E)

Question 6

When taking a person's blood pressure,after proper inflation of the cuff,the first pulse sound that is heard through the stethoscope indicates that blood is flowing through the artery past the cuff.The reading on the pressure gauge at this point indicates

Accepted Answer

A)  that the heart is once again beating.
B)  the force of contraction of the atria.
C)  diastolic pressure.
D)  venous pressure.
E)  systolic pressurE.F) B) and D)
G) B) and E)

Question 7

Blood

Accepted Answer

A)  is a liquid connective tissue.
B)  delivers food to the cells of the body.
C)  delivers oxygen to the cells of the body.
D)  helps remove wastes from the body.
E)  All answers are correct.F) A) and D)
G) B) and E)

Question 8

The capillary wall consists only of

Accepted Answer

A)  a single layer of epithelial cells covered by connective tissue.
B)  connective tissue.
C)  cardiac muscle.
D)  smooth muscle.
E)  a single layer of epithelial cells covered by smooth musclE.F) B) and C)
G) A) and D)

Question 9

What mutations occurred in ice fish that prevent production of hemoglobin?

Accepted Answer

A)  fragmentation of both the alpha and beta genes
B)  deletion of the alpha gene and fragmentation of the beta gene
C)  deletion of both the alpha and beta genes
D)  fragmentation of the alpha gene and deletion of the beta gene
E)  destruction of red blood cells in the bone marrowF) None of the above
G) C) and D)

Question 10

Which drugs would be prescribed to a person who has high blood pressure?

Accepted Answer

A)  aspirin
B)  a beta-blocker
C)  a beta-blocker and a diuretic
D)  a diuretic
E)  aspirin and a diureticF) A) and B)
G) All of the above

Question 11

Vertebrates with a four-chambered heart include

Accepted Answer

A)  fishes.
B)  mollusks.
C)  birds.
D)  amphibians.
E)  annelids.F) None of the above
G) A) and C)

Question 12

A respiratory disease caused by long-term exposure to irritants such as cigarette smoke that causes the walls of the alveoli to tear,thereby reducing the surface area for gas exchange is

Accepted Answer

A)  anemiA.
B)  asthma.
C)  emphysema.
D)  artherosclerosis.
E)  aneurysm.F) A) and B)
G) B) and E)

Question 13

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.Which of the following would occur in the lungs of someone with emphysema?

Accepted Answer

A)  decreased uptake of carbon dioxide
B)  decreased uptake of glucose
C)  decreased uptake of oxygen
D)  decreased rate of respiration
E)  decreased heart rateF) B) and D)
G) C) and D)

Question 14

The force that blood exerts on artery walls is termed

Accepted Answer

A)  venous pressure.
B)  gravitational pressure.
C)  blood pressure.
D)  osmotic pressure.
E)  pulmonary pressurE.F) A) and C)
G) B) and E)

Question 15

The cellular components of blood that transport oxygen are

Accepted Answer

A)  leukocytes.
B)  red blood cells.
C)  platelets.
D)  cartilage cells.
E)  bone cells.F) A) and E)
G) C) and E)

Question 16

A whole blood cell transfusion would be used to treat which of the following?

Accepted Answer

A)  arrhythmia
B)  aneurysm
C)  anemia
D)  heart attack due to atherosclerosis
E)  tachycardiaF) A) and E)
G) B) and C)

Question 17

Where would fish have the highest concentration of oxygen in their blood?

Accepted Answer

A)  as it left their systemic circulation
B)  as it left their heart
C)  as it entered their heart
D)  as it left their lungs
E)  as it left their gillsF) A) and E)
G) A) and D)

Question 18

Each alveolus of the lung is a small sac with a wall of epithelial tissue that is many layers thick,thereby providing structural support for the air sacs.

Accepted Answer

A) True 
 B)False

Question 19

A frog can absorb oxygen through its skin and lungs.Which is an advantage of absorbing oxygen through the lungs?

Accepted Answer

A)  The heart pumps oxygen from the lungs into the bloodstream.
B)  Oxygen absorbed in the lungs enters the blood stream.
C)  Air in the lungs has a higher concentration of oxygen than air in the atmosphere.
D)  Oxygen diffuses across cells more slowly than across the lining of the lungs.
E)  Lungs have more surface area than the skin.F) A) and D)
G) B) and E)

Question 20

What drives the movement of oxygen from the alveoli into the bloodstream?

Accepted Answer

A)  active transport against a concentration gradient
B)  facilitated diffusion down a concentration gradient
C)  facilitated diffusion against a concentration gradient
D)  diffusion down a concentration gradient
E)  the heart pumping the oxygen into the bloodstreamF) A) and E)
G) D) and E)

Exam 27: The Circulatory and Respiratorysystems

You are a medical student on rounds with your instructor,and you are told to help measure blood pressure,so you hand the instructor a(n)

Correct AnswerverifiedShow Answer

A clumping reaction caused by antibodies in the blood plasma is

Correct AnswerverifiedShow Answer

Blood

Correct AnswerverifiedShow Answer

The capillary wall consists only of

Correct AnswerverifiedShow Answer

A respiratory disease caused by long-term exposure to irritants such as cigarette smoke that causes the walls of the alveoli to tear,thereby reducing the surface area for gas exchange is

Correct AnswerverifiedShow Answer

A whole blood cell transfusion would be used to treat which of the following?

Correct AnswerverifiedShow Answer

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.Which of the following would occur in the lungs of someone with emphysema?

Correct AnswerverifiedShow Answer

Which is an artery that supplies blood to the heart muscle?

Correct AnswerverifiedShow Answer

Which drugs would be prescribed to a person who has high blood pressure?

Correct AnswerverifiedShow Answer

Each alveolus of the lung is a small sac with a wall of epithelial tissue that is many layers thick,thereby providing structural support for the air sacs.

Correct AnswerverifiedShow Answer

The force that blood exerts on artery walls is termed

Correct AnswerverifiedShow Answer

If a doctor tells you to hurry and bring all of the blood components you can find in the lab refrigerator to the operating room,what would you leave behind?

Correct AnswerverifiedShow Answer

Vertebrates with a four-chambered heart include

Correct AnswerverifiedShow Answer

The middle layer of the wall of an artery or vein,allowing it to withstand and modify blood pressure,is

Correct AnswerverifiedShow Answer

What mutations occurred in ice fish that prevent production of hemoglobin?

Correct AnswerverifiedShow Answer

When taking a person's blood pressure,after proper inflation of the cuff,the first pulse sound that is heard through the stethoscope indicates that blood is flowing through the artery past the cuff.The reading on the pressure gauge at this point indicates

Correct AnswerverifiedShow Answer

A frog can absorb oxygen through its skin and lungs.Which is an advantage of absorbing oxygen through the lungs?

Correct AnswerverifiedShow Answer

Where would fish have the highest concentration of oxygen in their blood?

Correct AnswerverifiedShow Answer

The cellular components of blood that transport oxygen are

Correct AnswerverifiedShow Answer

What drives the movement of oxygen from the alveoli into the bloodstream?

Correct AnswerverifiedShow Answer

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