Anatomy and physiology Mcgraw Hill
Exam 1 Questions with Verified
Answers
What type of bond attracts one water molecule to another? - ANSWERSA Hydrogen
Bond
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 __________. - ANSWERSPositive
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? - ANSWERSThe Cytoskeleton
__________ differ from one another in their number of neutrons and atomic mass -
ANSWERSIsotopes
The sternum (breastbone) is __________ to the vertebral column. - ANSWERSAnterior
Three common components of a feedback loop are _________, __________, and
__________. - ANSWERSreceptor, integrating (control) center, effector
Which of these is an example of active transport? - ANSWERSTransport 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 ______________. - ANSWERShigher, 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. - ANSWERShigh, 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 __________. - ANSWERSNegative Feedback
What function would immediately cease if the ribosomes of a cell were destroyed? -
ANSWERSProtein Synthesis
Exam 1 Questions with Verified
Answers
What type of bond attracts one water molecule to another? - ANSWERSA Hydrogen
Bond
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 __________. - ANSWERSPositive
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? - ANSWERSThe Cytoskeleton
__________ differ from one another in their number of neutrons and atomic mass -
ANSWERSIsotopes
The sternum (breastbone) is __________ to the vertebral column. - ANSWERSAnterior
Three common components of a feedback loop are _________, __________, and
__________. - ANSWERSreceptor, integrating (control) center, effector
Which of these is an example of active transport? - ANSWERSTransport 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 ______________. - ANSWERShigher, 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. - ANSWERShigh, 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 __________. - ANSWERSNegative Feedback
What function would immediately cease if the ribosomes of a cell were destroyed? -
ANSWERSProtein Synthesis
