Question 1

Lymphocytes are a specialized type of which of the following?

Accepted Answer

A)  erythrocytes 
B)  leukocytes 
C)  thrombocytes 
D)  none of these 
A)  erythrocytes 
B)  leukocytes 
C)  thrombocytes 
D)  none of these B

Question 2

The following images shows some representations of some of the common components of blood.  
-Which type of cell is synthesized in only the bone marrow?

Accepted Answer

A)  erythrocytes 
B)  thrombocytes 
C)  leukocytes 
D)  agranular leukocytes 
E)  All of these are synthesized in more than one location. 
A)  erythrocytes 
B)  thrombocytes 
C)  leukocytes 
D)  agranular leukocytes 
E)  All of these are synthesized in more than one location. A

Question 3

Which of the following lipids lower blood pressure?

Accepted Answer

A)  arachidonic acid 
B)  leukotrienes 
C)  prostaglandins 
D)  thromboxanes 
A)  arachidonic acid 
B)  leukotrienes 
C)  prostaglandins 
D)  thromboxanes C

Question 4

Which of the following blood cells are the largest?

Accepted Answer

A)  erythrocytes 
B)  monocytes 
C)  neutrophils 
D)  thrombocytes 
A)  erythrocytes 
B)  monocytes 
C)  neutrophils 
D)  thrombocytes

Question 5

Which of the following is not true of red blood cells?

Accepted Answer

A)  They are destroyed in the kidneys. 
B)  They are formed in bone marrow. 
C)  They have a nucleus. 
D)  None, all of these are true. 
A)  They are destroyed in the kidneys. 
B)  They are formed in bone marrow. 
C)  They have a nucleus. 
D)  None, all of these are true.

Question 6

In which portion of a nephron are glucose and amino acids reabsorbed?

Accepted Answer

A)  the distal tubule 
B)  Henle's loop 
C)  the glomerulus 
D)  the proximal tubule 
A)  the distal tubule 
B)  Henle's loop 
C)  the glomerulus 
D)  the proximal tubule

Question 7

Which of the following is true of red blood cells?

Accepted Answer

A)  They circulate in the blood for about 1 month. 
B)  They are called leukocytes. 
C)  They have DNA. 
D)  None of these is true. 
A)  They circulate in the blood for about 1 month. 
B)  They are called leukocytes. 
C)  They have DNA. 
D)  None of these is true.

Question 8

Normal kidney function involves which of the following?

Accepted Answer

A)  filtration in which small molecules are lost but large molecules are retained 
B)  reabsorption of some small molecules from the urine 
C)  both a and b 
D)  neither a nor b 
A)  filtration in which small molecules are lost but large molecules are retained 
B)  reabsorption of some small molecules from the urine 
C)  both a and b 
D)  neither a nor b

Question 9

Examine the following diagram of a kidney nephron and the surrounding circulatory system.  
-Blood enters the capsule and glomerulus. Which of the following components of the blood will eventually pass to the proximal tubule?

Accepted Answer

A)  red blood cells 
B)  protein molecules 
C)  leukocytes 
D)  sugars 
A)  red blood cells 
B)  protein molecules 
C)  leukocytes 
D)  sugars

Question 10

Which of the following results from the fact that the osmotic pressure of blood is higher than pressure at the venous capillaries?

Accepted Answer

A)  Nutrients flow from the capillaries into the interstitial fluid. 
B)  Wastes flow from the interstitial fluid into the capillaries. 
C)  both a and b 
D)  neither a nor b 
A)  Nutrients flow from the capillaries into the interstitial fluid. 
B)  Wastes flow from the interstitial fluid into the capillaries. 
C)  both a and b 
D)  neither a nor b

Question 11

Where are baroreceptors located?

Accepted Answer

A)  in the brain 
B)  in the heart 
C)  in the lungs 
D)  in the neck 
A)  in the brain 
B)  in the heart 
C)  in the lungs 
D)  in the neck

Question 12

Carbonic anhydrase is involved in which of the following?

Accepted Answer

A)  binding CO2 to hemoglobin 
B)  converting CO2 to carbonic acid 
C)  both a and b 
D)  neither a nor b 
A)  binding CO2 to hemoglobin 
B)  converting CO2 to carbonic acid 
C)  both a and b 
D)  neither a nor b

Question 13

The blood-brain barrier is permeable to which of the following species?

Accepted Answer

A)  oxygen 
B)  carbon dioxide 
C)  glucose 
D)  all of these 
A)  oxygen 
B)  carbon dioxide 
C)  glucose 
D)  all of these

Question 14

The concentration of which of the following is reduced to prevent blood clotting during a transfusion?

Accepted Answer

A)  Ca2+ 
B)  Fe2+ 
C)  K+ 
D)  Na+ 
A)  Ca2+ 
B)  Fe2+ 
C)  K+ 
D)  Na+

Question 15

Examine the following diagram of a kidney nephron and the surrounding circulatory system.  
-Blood enters the capsule and glomerulus. Which of the following components of the blood if passed to the collecting tubules may indicative of disease?

Accepted Answer

A)  glucose 
B)  protein 
C)  ketone bodies 
D)  All of these may indicate of an abnormality. 
A)  glucose 
B)  protein 
C)  ketone bodies 
D)  All of these may indicate of an abnormality.

Question 16

Which of the following is the approximate pressure of oxygen in the alveoli?

Accepted Answer

A)  40 mm Hg 
B)  100 mm Hg 
C)  160 mm Hg 
D)  760 mm Hg 
A)  40 mm Hg 
B)  100 mm Hg 
C)  160 mm Hg 
D)  760 mm Hg

Question 17

The following images shows some representations of some of the common components of blood.  
-Consider the following reaction involved in carbon dioxide transport in the blood.   What happens to this reaction when the partial pressure of carbon dioxide decreases?

Accepted Answer

A)  shifts to the right 
B)  shifts to the left 
C)  unaffected by muscle contraction 
A)  shifts to the right 
B)  shifts to the left 
C)  unaffected by muscle contraction

Question 18

The generation of the electrical potential needed for neurotransmission requires that which of the following has a low concentration in cerebral tissue?

Accepted Answer

A)  Cl− 
B)  K+ 
C)  Na+ 
D)  O2 
A)  Cl− 
B)  K+ 
C)  Na+ 
D)  O2

Question 19

Propranolol belongs to which class of drugs used to treat hypertension?

Accepted Answer

A)  ACE inhibitors 
B)  diuretics 
C)  β blockers 
D)  vasodilators 
A)  ACE inhibitors 
B)  diuretics 
C)  β blockers 
D)  vasodilators

Question 20

The following images shows some representations of some of the common components of blood.  
-Which type of cell is involved in the clotting mechanism?

Accepted Answer

A)  erythrocytes 
B)  thrombocytes 
C)  leukocytes 
D)  agranular leukocytes 
E)  All are involved at some point in the process of clot formation. 
A)  erythrocytes 
B)  thrombocytes 
C)  leukocytes 
D)  agranular leukocytes 
E)  All are involved at some point in the process of clot formation.

Exam 32: Body Fluids

Lymphocytes are a specialized type of which of the following?

The following images shows some representations of some of the common components of blood. -Which type of cell is synthesized in only the bone marrow?

Which of the following lipids lower blood pressure?

Which of the following blood cells are the largest?

Which of the following is not true of red blood cells?

In which portion of a nephron are glucose and amino acids reabsorbed?

Which of the following is true of red blood cells?

Normal kidney function involves which of the following?

Examine the following diagram of a kidney nephron and the surrounding circulatory system. -Blood enters the capsule and glomerulus. Which of the following components of the blood will eventually pass to the proximal tubule?

Which of the following results from the fact that the osmotic pressure of blood is higher than pressure at the venous capillaries?

Where are baroreceptors located?

Carbonic anhydrase is involved in which of the following?

The blood-brain barrier is permeable to which of the following species?

The concentration of which of the following is reduced to prevent blood clotting during a transfusion?

Examine the following diagram of a kidney nephron and the surrounding circulatory system. -Blood enters the capsule and glomerulus. Which of the following components of the blood if passed to the collecting tubules may indicative of disease?

Which of the following is the approximate pressure of oxygen in the alveoli?

The following images shows some representations of some of the common components of blood. -Consider the following reaction involved in carbon dioxide transport in the blood. What happens to this reaction when the partial pressure of carbon dioxide decreases?

The generation of the electrical potential needed for neurotransmission requires that which of the following has a low concentration in cerebral tissue?

Propranolol belongs to which class of drugs used to treat hypertension?

The following images shows some representations of some of the common components of blood. -Which type of cell is involved in the clotting mechanism?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

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