MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
Unit 4 Practice Exam
Spring 2022
Danielle Hicks
1. Movement of oxygen and carbon dioxide between alveoli and blood occurs by what process?
a. simple diffusion
b. osmosis
c. facilitated diffusion
d. primary active transport
e. secondary active transport
2. A decrease in the affinity of hemoglobin for carbon dioxide caused by the binding of oxygen to
hemoglobin is described by the
a. carbamino effect
b. Heme effect
c. Oxygen effect
d. Bohr effect
3. How are the hydrogen ions produced in erythrocytes from carbon dioxide buffered?
a. Binding to chloride ions
b. Reverse chloride shift
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
,MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
c. Binding to hemoglobin
d. Binding to carbonic anhydrase
4. A decrease in the affinity of hemoglobin for oxygen caused by the binding of a hydrogen ion to
hemoglobin is described by the
a. Bohr effect.
b. Heme effect
c. Oxygen effect
d. Bohr effect
e. carbamino effect.
5. Hemoglobin has a greater affinity for oxygen in the lungs than it does in respiring tissue.
a. True
b. False
6. The Bohr effect describes the effects of pH on the affinity of hemoglobin for oxygen.
a. True
b. False
7. A decrease in the affinity of oxygen for hemoglobin is reflected as a shift in the
hemoglobin-oxygen dissociation curve, which would facilitate the of oxygen.
a. neutral : loading
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
,MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
b. rightward : loading
c. leftward : unloading
d. rightward : unloading
e. leftward : loading
8. Carbaminohemoglobin is hemoglobin with carbon dioxide bound to it.
a. True
b. False
9. The buffering capacity of hemoglobin is directly related to its ability to bind with
a. oxygen.
b. nitrogen.
c. hydrogen ions.
d. carbon monoxide.
e. carbon dioxide.
10. During quiet breathing, a person's breathing cycle consists of
a. contraction and relaxation of inspiratory muscles.
b. contraction of inspiratory muscles and relaxation of expiratory muscles.
c. contraction of expiratory muscles.
d. contraction of inspiratory muscles.
e. contraction and relaxation of inspiratory and expiratory muscles.
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
, MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
11. Bicarbonate is an important buffer in blood and its concentration is regulated by the
a. pancreas.
b. lungs.
c. kidneys.
d. liver.
e. heart.
12. Peripheral chemoreceptors are specialized cells in contact with arterial blood that respond
directly to changes in blood
a. pH.
b. PO2.
c. PCO2.
d. PCO2 and PO2.
e. PO2, pH, and PCO2.
13. Central chemoreceptors are neurons in the medulla that respond directly to changes in
a. cerebrospinal fluid pH.
b. blood pH and PO2.
c. blood pH.
d. cerebrospinal fluid PO2 and pH.
e. cerebrospinal fluid PO2.
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
Questions with Answers best exam 2022
Unit 4 Practice Exam
Spring 2022
Danielle Hicks
1. Movement of oxygen and carbon dioxide between alveoli and blood occurs by what process?
a. simple diffusion
b. osmosis
c. facilitated diffusion
d. primary active transport
e. secondary active transport
2. A decrease in the affinity of hemoglobin for carbon dioxide caused by the binding of oxygen to
hemoglobin is described by the
a. carbamino effect
b. Heme effect
c. Oxygen effect
d. Bohr effect
3. How are the hydrogen ions produced in erythrocytes from carbon dioxide buffered?
a. Binding to chloride ions
b. Reverse chloride shift
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
,MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
c. Binding to hemoglobin
d. Binding to carbonic anhydrase
4. A decrease in the affinity of hemoglobin for oxygen caused by the binding of a hydrogen ion to
hemoglobin is described by the
a. Bohr effect.
b. Heme effect
c. Oxygen effect
d. Bohr effect
e. carbamino effect.
5. Hemoglobin has a greater affinity for oxygen in the lungs than it does in respiring tissue.
a. True
b. False
6. The Bohr effect describes the effects of pH on the affinity of hemoglobin for oxygen.
a. True
b. False
7. A decrease in the affinity of oxygen for hemoglobin is reflected as a shift in the
hemoglobin-oxygen dissociation curve, which would facilitate the of oxygen.
a. neutral : loading
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
,MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
b. rightward : loading
c. leftward : unloading
d. rightward : unloading
e. leftward : loading
8. Carbaminohemoglobin is hemoglobin with carbon dioxide bound to it.
a. True
b. False
9. The buffering capacity of hemoglobin is directly related to its ability to bind with
a. oxygen.
b. nitrogen.
c. hydrogen ions.
d. carbon monoxide.
e. carbon dioxide.
10. During quiet breathing, a person's breathing cycle consists of
a. contraction and relaxation of inspiratory muscles.
b. contraction of inspiratory muscles and relaxation of expiratory muscles.
c. contraction of expiratory muscles.
d. contraction of inspiratory muscles.
e. contraction and relaxation of inspiratory and expiratory muscles.
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
, MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
11. Bicarbonate is an important buffer in blood and its concentration is regulated by the
a. pancreas.
b. lungs.
c. kidneys.
d. liver.
e. heart.
12. Peripheral chemoreceptors are specialized cells in contact with arterial blood that respond
directly to changes in blood
a. pH.
b. PO2.
c. PCO2.
d. PCO2 and PO2.
e. PO2, pH, and PCO2.
13. Central chemoreceptors are neurons in the medulla that respond directly to changes in
a. cerebrospinal fluid pH.
b. blood pH and PO2.
c. blood pH.
d. cerebrospinal fluid PO2 and pH.
e. cerebrospinal fluid PO2.
MANAT 6479 anatomy 125 Unit 4 Practice Exam –
Questions with Answers best exam 2022
