Anatomy and Physiology McGraw
Hill Exam 1 (2026) | Real Exam
Questions with 100% Correct
Answers | Graded A+
• When a woman is giving birth, the head of the baby pushes against her
cervix and stimulates the release of the hormone oxytocin. Oxytocin
travels in the blood and stimulates the uterus to contract. Labor
contractions become more and more intense until the baby is expelled.
This is an example of __________. -✓✓Positive Feedback
• Which of the following gives a cell structural support, determines the
shape of a cell, and directs the movement of substances through a cell? -
✓✓The Cytoskeleton
• __________ differ from one another in their number of neutrons and
atomic mass -✓✓Isotopes
• The sternum (breastbone) is __________ to the vertebral column. -
✓✓Anterior
• Three common components of a feedback loop are _________,
__________, and __________. -✓✓receptor, integrating (control)
center, effector
, • Which of these is an example of active transport? -✓✓Transport of
Na+ from a place of low concentration to a place of higher concentration
• A red blood cell is placed in a hypertonic solution. This means the
concentration of solutes in the solution is __________ than the
concentration of solutes in the intracellular fluid, and will cause the cell
to ______________. -✓✓higher, shrink
• Chemicals in a solution can move down a concentration gradient. This
means the chemical will move from the area of __________
concentration to the area of _________ concentration. -✓✓high, low
• During exercise, one generates excess heat and the body temperature
rises. As a response, blood vessels dilate in the skin, warm blood flows
closer to the body surface, and heat is lost. This is an example of
__________. -✓✓Negative Feedback
• What function would immediately cease if the ribosomes of a cell were
destroyed? -✓✓Protein Synthesis
• The study of how the body functions is called __________. -
✓✓physiology
Hill Exam 1 (2026) | Real Exam
Questions with 100% Correct
Answers | Graded A+
• When a woman is giving birth, the head of the baby pushes against her
cervix and stimulates the release of the hormone oxytocin. Oxytocin
travels in the blood and stimulates the uterus to contract. Labor
contractions become more and more intense until the baby is expelled.
This is an example of __________. -✓✓Positive Feedback
• Which of the following gives a cell structural support, determines the
shape of a cell, and directs the movement of substances through a cell? -
✓✓The Cytoskeleton
• __________ differ from one another in their number of neutrons and
atomic mass -✓✓Isotopes
• The sternum (breastbone) is __________ to the vertebral column. -
✓✓Anterior
• Three common components of a feedback loop are _________,
__________, and __________. -✓✓receptor, integrating (control)
center, effector
, • Which of these is an example of active transport? -✓✓Transport of
Na+ from a place of low concentration to a place of higher concentration
• A red blood cell is placed in a hypertonic solution. This means the
concentration of solutes in the solution is __________ than the
concentration of solutes in the intracellular fluid, and will cause the cell
to ______________. -✓✓higher, shrink
• Chemicals in a solution can move down a concentration gradient. This
means the chemical will move from the area of __________
concentration to the area of _________ concentration. -✓✓high, low
• During exercise, one generates excess heat and the body temperature
rises. As a response, blood vessels dilate in the skin, warm blood flows
closer to the body surface, and heat is lost. This is an example of
__________. -✓✓Negative Feedback
• What function would immediately cease if the ribosomes of a cell were
destroyed? -✓✓Protein Synthesis
• The study of how the body functions is called __________. -
✓✓physiology
