Week 1 Practice
Which of the following describes the plasma membrane?
A double layer of lipids in which protein molecules float
What is a desmosome?
A type of junction between cells in which protein fibers link cells together and provide strength needed in cells such as skin and heart muscles
Which of the following statements is true concerning feedback mechanisms? Positive feedback mechanisms always result in excessive damage. Negative feedback mechanisms tend to increase the original stimulus. Blood glucose levels are regulated by negative feedback mechanisms. Uterine contractions during delivery of a baby are regulated by negative feedback mechanisms. Positive feedback mechanisms work to prevent sudden changes within the body.
Blood glucose levels are regulated by negative feedback mechanisms.
Which of the following describes anatomical position?
Body erect, arms hanging at the sides, palms facing forward, and thumbs pointing laterally
Which term refers to the heel region?
Calcaneal
To which area of the body does the term sural refer?
Calf
What principle states that the function of the body reflects the anatomical structures?
Complementarity
What is the anatomical term for the hip area?
Coxal
What organ system involves the secretion of hormones that regulate growth processes and nutrient usage by body cells?
Endrocrine
In which region of the abdominal cavity is the urinary bladder located?
Hypogastric
Which of the following organs or structures would be found in the left iliac region? Appendix Intestines Stomach Lungs Liver
Intestines
Which of the following is a description of a homeostatic imbalance?
Most diseases are considered a result of a homeostatic imbalance
What is the highest level of organization under which the heart may be classified?
Organ
Which cavity contains the bladder, some reproductive organs, and the rectum?
Pelvic
The lungs are located in which of the following?
Pleural, ventral, and thoracic cavities
What is the posterior side of the patella called?
Popliteal
Which term is used to describe the direction toward or at the back of the body?
Posterior
What direction is the elbow from the wrist?
Proximal
What organ system keeps the blood constantly supplied with oxygen and removes carbon dioxide from the body?
Respiratory
What is histology?
The study of the tissues of the body
What is the organization level for a structure that is made up of groups of similar cells with a common function?
Tissue
What is the purpose of negative feedback mechanisms?
To prevent sudden and severe changes within the body
Which of the following refers to a horizontal section through the body?
Transverse
What organ system includes the kidneys and bladder?
Urinary
In which cavity is the heart located?
Ventral pericardial