STUART FOX ALL CHAPTERS COVERED GRADED A+
What happens when muscle tissue is destroyed? - CORRECT ANSWERS-It releases enzymes
present in the muscle cells into the blood.
What genetic disease is associated with increased production of enzymes like aldolase? - CORRECT
ANSWERS-Certain genetic diseases can lead to increased production of aldolase.
Why does the body increase production of aldolase? - CORRECT ANSWERS-To make more
substrates available for muscular energy.
What type of cells are rich in aldolase? - CORRECT ANSWERS-Myocardial cells.
What condition could elevated plasma amylase indicate? - CORRECT ANSWERS-Pancreatitis.
What is the first step in the scientific method? - CORRECT ANSWERS-The formation of a
hypothesis.
Which phase of clinical trials maximizes the number of test participants? - CORRECT
ANSWERS-Phase III clinical trials.
What do Phase I clinical trials NOT involve? - CORRECT ANSWERS-Testing on the target human
population.
What is the term for measurements in an experiment where the subject's group status is unknown? -
CORRECT ANSWERS-Blind measurement.
What makes a hypothesis scientific? - CORRECT ANSWERS-It can be tested.
,What must a theory be based on to be considered scientific? - CORRECT ANSWERS-
Reproducible data.
What is the normal range of blood glucose concentration after fasting? - CORRECT ANSWERS-
Approximately 70 to 99 mg/100 ml.
What is the normal range of arterial blood pH? - CORRECT ANSWERS-7.35-7.45.
In a feedback loop, what does the integrating center send information to? - CORRECT
ANSWERS-The effector.
What are the regulators of effectors in most feedback loops? - CORRECT ANSWERS-Hormones
and nerve impulses.
What are homeostatic regulatory mechanisms that are 'built-in' to the organs? - CORRECT
ANSWERS-Intrinsic mechanisms.
What type of homeostatic regulatory mechanisms are the endocrine and nervous systems considered? -
CORRECT ANSWERS-Extrinsic mechanisms.
When blood glucose levels rise, what role do pancreatic islets serve in the feedback loop? -
CORRECT ANSWERS-They act as the integrating center.
What detects a decrease in mean arterial pressure? - CORRECT ANSWERS-A sensor.
What type of feedback occurs when platelets accumulate at a damaged vessel site? - CORRECT
ANSWERS-Positive feedback.
What is the role of platelets in the positive feedback mechanism during vessel damage? - CORRECT
ANSWERS-They act as effectors.
,What is pathophysiology? - CORRECT ANSWERS-The study of how disease processes affect
the function of the body.
What is comparative physiology? - CORRECT ANSWERS-The study of the physiological
differences and similarities among different species.
What is anatomy? - CORRECT ANSWERS-The study of the structure of organisms and their
parts.
What is the scientific method? - CORRECT ANSWERS-A systematic approach to research and
experimentation.
What is the purpose of clinical trials? - CORRECT ANSWERS-To test the safety and efficacy of
new drugs or treatments.
What is the significance of reproducible data in scientific research? - CORRECT ANSWERS-It
ensures that findings can be verified and are reliable.
What is the role of a hypothesis in scientific research? - CORRECT ANSWERS-It provides a
testable prediction that can be investigated.
What term describes the concept of maintaining stable internal conditions despite external changes? -
CORRECT ANSWERS-Homeostasis.
Which of the following is NOT an example of dynamic constancy? A) Sweating or shivering B)
Administering IV fluids C) Pancreas releasing insulin D) Adjusting breathing rate - CORRECT
ANSWERS-B) Administering IV fluids to a person with dehydration.
What does the fluctuation of estrogen levels throughout the menstrual cycle indicate? - CORRECT
ANSWERS-Estrogen is involved in both positive and negative feedback with the anterior pituitary
and hypothalamus.
, What is the control of hormone secretion by its own effects called? - CORRECT ANSWERS-
Negative feedback.
What is the primary stimulus for insulin secretion? - CORRECT ANSWERS-Increased blood
glucose concentrations.
If blood glucose levels decrease from normal, which change occurs to restore glucose levels? A) Increase
in insulin; increase in glucagon B) Increase in insulin; decrease in glucagon C) Decrease in insulin;
increase in glucagon D) Decrease in insulin; decrease in glucagon - CORRECT ANSWERS-C)
Decrease in insulin; increase in glucagon.
Which of the following is NOT a primary tissue of the body? A) Nervous B) Epithelial C) Muscular D)
Osseous - CORRECT ANSWERS-D) Osseous.
Which type of muscle can be consciously controlled? - CORRECT ANSWERS-Skeletal muscle.
What type of muscle has intercalated discs that couple cells both mechanically and electrically? -
CORRECT ANSWERS-Myocardial muscle.
If a muscle tissue sample has a striated appearance, which type of muscle could it NOT be from? A)
Muscle of the thigh B) Wall of digestive tract C) Wall of heart chamber D) Muscle of the forearm -
CORRECT ANSWERS-B) Wall of digestive tract.
Which characteristic is true of smooth muscle? A) Fibers are striated B) Attached to skeleton by tendons
C) Intercalated discs connect adjacent cells D) Found in the walls of the digestive tract - CORRECT
ANSWERS-D) Found in the walls of the digestive tract.
Where are neuroglia, the supporting cells, present? A) Brain B) Spinal cord C) Effector organs D) Both
brain and spinal cord - CORRECT ANSWERS-D) Both brain and spinal cord.
What part of a neuron would be affected if it cannot receive sensory input? - CORRECT
ANSWERS-Dendrites.