Anatomy and Physiology ATI
Practice A&B Exam Questions
and Answers 100% PASS
Which of the following actions is the stimulus for defecation?—ANSWER-
Stretching of the muscles of the rectum
In the process of wound healing, which of the following plays a role in
clearing a wound of cellular debris?—ANSWER-neutrophils
Which of the following glands is responsible for temperature regulation?—
ANSWER-eccrine glands
Which of the following structures contain collagen and elastin as major
proteins?—ANSWER-Dermis
Which of the following is a site of sperm maturation in the male reproductive
system?—ANSWER-epididymis
Which of the following structures is involved in the development of the
immune response in a newborn?—ANSWER-thymus gland
Which of the following is the function of surfactant in the alveoli of the
lungs?—ANSWER-Prevention of alveoli collapse
, Which of the following does the respiratory system elimination when there is
an excess of hydrogen ions in the body—ANSWER-Carbon dioxide
Which of the following is a major function of the frontal lobe?—ANSWER-
motor function
Which of the following structures will ensure the rapid spread of an impulse
and synchronous contractions of ventricular muscle?—ANSWER-Purkinje
fibers
Which type of fluid makes up the largest distribution of total body water?—
ANSWER-intracellular fluids
Which of the following parts of the brain regulates heart rate, respiratory
rate, and blood pressure?—ANSWER-medulla oblongata
Which of the following cardiac valves prevents blood from returning to the
left ventricle of the heart?—ANSWER-aortic
Which of the following structures comes immediately after the ascending
colon?—ANSWER-Transverse colon
Which of the following hormones controls the milk ejection during
lactation?—ANSWER-Oxytocin
In which of the following organelles does cellular respiration take place?—
ANSWER-mitochondria
An individual with which of the following blood types can receive only blood
of that same type—ANSWER-Type O
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Practice A&B Exam Questions
and Answers 100% PASS
Which of the following actions is the stimulus for defecation?—ANSWER-
Stretching of the muscles of the rectum
In the process of wound healing, which of the following plays a role in
clearing a wound of cellular debris?—ANSWER-neutrophils
Which of the following glands is responsible for temperature regulation?—
ANSWER-eccrine glands
Which of the following structures contain collagen and elastin as major
proteins?—ANSWER-Dermis
Which of the following is a site of sperm maturation in the male reproductive
system?—ANSWER-epididymis
Which of the following structures is involved in the development of the
immune response in a newborn?—ANSWER-thymus gland
Which of the following is the function of surfactant in the alveoli of the
lungs?—ANSWER-Prevention of alveoli collapse
, Which of the following does the respiratory system elimination when there is
an excess of hydrogen ions in the body—ANSWER-Carbon dioxide
Which of the following is a major function of the frontal lobe?—ANSWER-
motor function
Which of the following structures will ensure the rapid spread of an impulse
and synchronous contractions of ventricular muscle?—ANSWER-Purkinje
fibers
Which type of fluid makes up the largest distribution of total body water?—
ANSWER-intracellular fluids
Which of the following parts of the brain regulates heart rate, respiratory
rate, and blood pressure?—ANSWER-medulla oblongata
Which of the following cardiac valves prevents blood from returning to the
left ventricle of the heart?—ANSWER-aortic
Which of the following structures comes immediately after the ascending
colon?—ANSWER-Transverse colon
Which of the following hormones controls the milk ejection during
lactation?—ANSWER-Oxytocin
In which of the following organelles does cellular respiration take place?—
ANSWER-mitochondria
An individual with which of the following blood types can receive only blood
of that same type—ANSWER-Type O
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
