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Biol 235 Sample Questions and Answers Rated A+ (Athabasca University) Test Bank (2).
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Biol 235 Sample Questions and Answers Rated A+ (Athabasca University) Test Bank (2). Package Title: Testbank 2 Question type: Multiple Choice 1) Which of the following is NOT a major function of the blood? a) Transportation of nutrients b) Regulation of blood pH c) Protection against infectio...

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  • April 8, 2023
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Biol 235 Sample Questions and Answers Rated A+
(Athabasca University) Test Bank (2).

Package Title: Testbank 2

Question type: Multiple Choice


1) Which of the following is NOT a major function of the blood?

a) Transportation of nutrients
b) Regulation of blood pH
c) Protection against infectious disease
d) Transportation of heat
e) Production of oxygen

Answer: e

Difficulty: Easy
Study Objective 1: SO 19.1 Describe the functions and components of blood.
Study Objective 2: SO 19.1.1 Describe the functions of blood.
Section Reference 1: Sec 19.1 Functions and Properties of Blood


2) Which of the following is NOT a true statement regarding blood?

a) The normal average temperature of blood is around 100.4 o F.
b) The normal pH range for blood is 7.35-7.45.
c) Hemocytoblasts are a common component of circulating blood.
d) The primary circulating blood cell is the RBC.
e) Blood is a liquid connective tissue consisting of cells and a liquid extracellular matrix.

Answer: c

,Difficulty: Easy
Study Objective 1: SO 19.1 Describe the functions and components of blood.
Study Objective 2: SO 19.1.2 Describe the physical characteristics and principal components of
blood.
Section Reference 1: Sec 19.1 Functions and Properties of Blood


3) The hematocrit is a measure of the percentage of whole blood occupied by

a) WBCs.
b) platelets.
c) RBCs.
d) plasma.
e) plasma proteins. Answer: c


Difficulty: Easy
Study Objective 1: SO 19.1 Describe the functions and components of blood.
Study Objective 2: SO 19.1.2 Describe the physical characteristics and principal components of
blood.
Section Reference 1: Sec 19.1 Functions and Properties of Blood


4) What percentage of blood plasma is water?

a) 95.1%
b) 91.5%
c) 88.5%
d) 4.9%
e) 8.5%

Answer: b

Difficulty: Medium
Study Objective 1: SO 19.1 Describe the functions and components of blood.
Study Objective 2: SO 19.1.2 Describe the physical characteristics and principal components of
blood.
Section Reference 1: Sec 19.1 Functions and Properties of Blood


5) Which of the following plasma proteins plays a role in disease resistance?

a) Albumin

b) Globulins

,c) Fibrinogen
d) Myoglobin
e) Hemoglobin Answer: b


Difficulty: Medium
Study Objective 1: SO 19.1 Describe the functions and components of blood.
Study Objective 2: SO 19.1.2 Describe the physical characteristics and principal components of
blood.
Section Reference 1: Sec 19.1 Functions and Properties of Blood
6) Which of the following plasma proteins plays a role in blood clotting?

a) Albumin
b) Globulins
c) Fibrinogen
d) Prostaglandins
e) None of these choices Answer: c


Difficulty: Medium
Study Objective 1: SO 19.1 Describe the functions and components of blood.
Study Objective 2: SO 19.1.2 Describe the physical characteristics and principal components of
blood.
Section Reference 1: Sec 19.1 Functions and Properties of Blood


7) The process by which the formed elements of the blood develop is called

a) hematospermia.
b) hemopoiesis.
c) thrombocytosis.
d) hemostasis.
e) polycythemia. Answer: b


Difficulty: Medium
Study Objective 1: SO 19.2 Explain the origin of blood cells.
Section Reference 1: Sec 19.2 Formation of Blood Cells


8) A megakaryoblast will develop into

a) a red blood cell.
b) a white blood cell.
c) a platelet.

, d) either a white blood cell or a platelet.
e) none of these choices. Answer: c


Difficulty: Medium
Study Objective 1: SO 19.2 Explain the origin of blood cells.
Section Reference 1: Sec 19.2 Formation of Blood Cells
9) During hemopoiesis, some of the myeloid stem cells will eventually develop into

a) proerythroblasts.

b) T lymphoblasts.
c) B lymphoblasts.
d) NK lymphoblasts.
e) all of these choices.

Answer: a

Difficulty: Medium
Study Objective 1: SO 19.2 Explain the origin of blood cells.
Section Reference 1: Sec 19.2 Formation of Blood Cells


10) Which of the following hormones stimulates proliferation of red blood cells in red bone
marrow?

a) erythropoietin (EPO)
b) thrombopoietin (TPO)
c) human growth hormone (hGH)
d) calcitonin (CT)
e) follicle-stimulating hormone (FSH)

Answer: a

Difficulty: Medium
Study Objective 1: SO 19.2 Explain the origin of blood cells.
Section Reference 1: Sec 19.2 Formation of Blood Cells


11) Approximately, how many hemoglobin molecules are found in each RBC?

a) 50 million

b) 100 million
c) 280 million
d) 320 million

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