Question 1

The secretion of renin by the kidneys results in which of the following?

Accepted Answer

A)  the conversion of angiotensinogen to angiotensin 
B)  an increase in blood pressure 
C)  both a and b 
D)  neither a nor b 
A)  the conversion of angiotensinogen to angiotensin 
B)  an increase in blood pressure 
C)  both a and b 
D)  neither a nor b

Question 2

Which of the following is the approximate pressure of oxygen in venous blood?

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 3

Which of the following ions is associated with the heme portion of hemoglobin?

Accepted Answer

A)  Ca2+ 
B)  Fe2+ 
C)  Mg2+ 
D)  Zn2+ 
A)  Ca2+ 
B)  Fe2+ 
C)  Mg2+ 
D)  Zn2+

Question 4

The relationship between pH and the oxygen carrying ability of hemoglobin is known as which of the following?

Accepted Answer

A)  allosterism 
B)  the Bohr effect 
C)  Dalton's Law 
D)  Perutz's Law 
A)  allosterism 
B)  the Bohr effect 
C)  Dalton's Law 
D)  Perutz's Law

Question 5

In which portion of the nephron is most water 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 6

A molecule of hemoglobin is capable of binding how many molecules of CO2?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 7

How many different nervous system control systems begin to function when a patient begins to hemorrhage?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 8

What name is applied to the process of maintaining the body temperature and the appropriate levels of nutrients?

Accepted Answer

A)  equilibration 
B)  hemolysis 
C)  homeostasis 
D)  osmosis 
A)  equilibration 
B)  hemolysis 
C)  homeostasis 
D)  osmosis

Question 9

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 after muscle contraction?

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 10

Carbonic anhydrase is associated with the establishment of which of the following equilibria?

Accepted Answer

A)  H2CO3   H+ + HCO3− 
B)  H2CO3   H2O + CO2 
C)  both a and b 
D)  neither a nor b 
A)  H2CO3   H+ + HCO3− 
B)  H2CO3   H2O + CO2 
C)  both a and b 
D)  neither a nor b

Question 11

In which portion of a nephron is lost HCO3− replaced?

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 12

Which of the following cannot readily cross the blood-brain barrier?

Accepted Answer

A)  Cl− 
B)  K+ 
C)  Na+ 
D)  all of these 
A)  Cl− 
B)  K+ 
C)  Na+ 
D)  all of these

Exam 32: Body Fluids

The secretion of renin by the kidneys results in which of the following?

Which of the following is the approximate pressure of oxygen in venous blood?

Which of the following ions is associated with the heme portion of hemoglobin?

The relationship between pH and the oxygen carrying ability of hemoglobin is known as which of the following?

In which portion of the nephron is most water reabsorbed?

A molecule of hemoglobin is capable of binding how many molecules of CO2?

How many different nervous system control systems begin to function when a patient begins to hemorrhage?

What name is applied to the process of maintaining the body temperature and the appropriate levels of nutrients?

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 after muscle contraction?

Carbonic anhydrase is associated with the establishment of which of the following equilibria?

In which portion of a nephron is lost HCO3− replaced?

Which of the following cannot readily cross the blood-brain barrier?

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

Filters

A molecule of hemoglobin is capable of binding how many molecules of CO₂?

In which portion of a nephron is lost HCO₃− replaced?