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A&P Exam 4 Practice Questions and Answers 2025/2026 | Anatomy and Physiology Test Prep

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Prepare for your Anatomy and Physiology Exam 4 with this focused practice question and answer set for 2025/2026. Covers key topics and includes detailed explanations to help reinforce understanding and boost exam performance.A&P Exam 4 practice, anatomy and physiology test prep, A&P exam 4 questions and answers, nursing anatomy exam, physiology test questions, verified answers, nursing exam resources, exam preparation materials

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D. colony stimulating factors promote the production of all of the WBC's


Which of the following statements differentiate
between colony stimulating factors and
interleukins.
A.there are many more interleukins than colony
stimulating factors (CSF) contained in cerebral
spinal fluid
B. colony stimulating factors affect red blood
cells only
C. interleukins are stop hemoglobin from binding
with oxygen
D. colony stimulating factors promote the
production of all of the WBC's precursor cells



D. Blood type B or blood type O
A person who has blood type B may receive
blood from a person who has:
A. Blood type B or AB.
B. Blood Type B only.
C. Blood type A only.
D. Blood type B or blood type O




B. Chordae Tendinae
Papillary muscles are attached to
A. atrial walls
B. chordae tendinae
C. AV valves
D. semi-lunar valves


A. Increased Bp

Increased viscosity will affect blood pressure by
A. increasing Bp
B. decreasing Bp
C. increasing overall blood volume
D. decreasing overall blood volume


B. Fibrin
_____________________ forms a meshwork to
trap red blood cells.
A. prothrombin
B. fibrin
C. fibrinogen
D. Vitamin K


D. The percent of red blood cells in the blood plasma
Hematocrit is:
A. A clotting factor.
B. The color of plasma.
C. A disease.
D. The percent of red blood cells in a blood
sample.


d. All of the above
Inflammation is a response to

, D. BP = CO x PR

What is the equation that correctly depicts the
relationship between blood pressure (Bp),
peripheral resistance (PR), and cardiac output
(CO)?
A. CO = PR x BP
B. CO = PR/BP
C. BP = CO/PR
D. BP = CO x PR




We have an expert-written solution to this problem!




A. An action potential is triggered.
Once the cells in the SA node reach threshold,
A. An action potential is triggered.
B. A heart attack occurs.
C. The heart stops beating.
D. Nothing happens until the AV node is
innervated.




We have an expert-written solution to this problem!




D. All of the above.
The external carotid arteries branch to structures
in the
A. Scalp.
B. Face.
C. Base of the skull.
D. All of the above.




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A. It coordinates all of the activities of the body cells.

All of the following are functions of the
blood except

, A. Hematopoietic stem cell, erythroblast, reticulocyte, erythrocyte.

Which is the correct sequence for differentiation
of a red blood cell?
A. Hematopoietic stem cell, erythroblast,
reticulocyte, erythrocyte.
B. Hematopoietic stem cell, hemocytoblast,
erythrocyte, erythroblast.
C. Hematopoietic stem cell, erythrocyte,
hematoblast, erythroblast.
D. Hematopoietic stem cell, erythroblast,
erthrocyte, reticulocyte.




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B. Monocytes, macrophages and neutrophils.
Phagocytic cells include
A. T-cell lymphocytes and B-cell lymphocytes.
B. Monocytes, macrophages and neutrophils.
C. Basophils, neutrophils and eosinophils.
D. Mast cells and megakaryocytes.


A. Inguinal region
Harry has a cut on his thigh that becomes
infected. The lymph nodes in his _________
enlarge.
A. Inguinal region.
B. Mesenteric region.
C. Antecubital region.
D. Axillary region.

B. Blood.
The lymphatic system consists of all of the
following except
A. Lymph.
B. Blood.
C. Lymphatic vessels.
D. Lymph nodes.


C. From the heart to the body's organs and tissues.
The systemic circuit of the cardiovascular
system extends
A. From the heart to the lungs.
B. From the gastrointestinal tract to the liver.
C. From the heart to the body's organs and
tissues.
D. From the heart to the coronary arteries.


D. Ventricular systole.
The blood pressure in the large systemic arteries
is greatest during
A. Atrial systole.
B. Ventricular diastole.
C. Ventricular diastole.
D. Ventricular systole.

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