ap exam
What is the mediastinum?
A subdivision of the cavity indicated by the letter C.
The ventral cavity includes which of the indicated subdivisions in the figure?
Abdominal, Pelvic, Thoracic
Which of the following is the regional term that includes the head?
Axil (head neck and trunk)
Which of the following best demonstrates the principle of complementarity of structure and function?
Bones can support and protect body organs because they contain hard mineral deposits.
A coronal section divides an organ into superior and inferior portions.
False
Cells within the body work independently of one another and rarely have direct effects on other cells.
False
The knee is proximal to the thigh.
False
The serous membrane is a double-layered membrane created by two separate membranes.
False
If the figure were used to represent a heating system in a home, which of the following would be most directly associated with the structure labeled B?
Thermostat Setting
Which body cavity is further separated into other cavities?
Thoracic
The heart is dorsal to the sternum.
True
The umbilicus is caudal to the chin.
True (caudal=inferior)
Which of the following is an example of a positive feedback?
forming a platelet plug during blood clotting
Which of the following represents the correct order in which the components interact in a homeostatic control system?
the receptor, the control center, and the effector
The dorsal body cavity is divided into which of the following subdivisions?
the vertebral/spinal and cranial cavities
What is the function of serous fluid?
It enables organs, such as the heart and the stomach, to slide across cavity walls and each other without friction.
Which of the following best defines anatomy?
It is the study of the structure of body parts and their relationships with one another.
Which subdivision of anatomy would include the study of individual cells?
Microscopic
Which organ systems function as control systems, communicating with other cells and organs to regulate their activities?
Nervous and Endocrine systems
What directional term would be used to indicate sunburn on a patient's back?
Posterior
Which of the following is a term that can be used instead of dorsal?
Posterior
What is the role of the serous membranes covering some organs?
Prevent Friction
With regards to a set point or normal limit, negative feedback always __________ a physiological value to the set point or normal limit.
Returns
Which of the following cuts could cross the umbilical, pelvic, and nasal regions?
Sagittal
You have been asked to teach the principles of CPR to a group of teens training to be lifeguards. You use a diagram of the thoracic cavity to help you explain how chest compressions can maintain circulation. Which view of the chest would best illustrate this point?
Sagittal
You go home for the holidays after your first semester of nursing school, and your grandma tells you that the doctor removed a nevus from her left scapular region. What procedure did she have done?
She had a mole removed from her left shoulder blade
What is not an organ
Smooth muscle
Which directional term is used to describe the relationship of the skin to the skeletal muscles?
Superficial
If the figure were used to represent the regulation of body temperature, the structures represented by the letter C could include __________.
Sweat Glands in the skin
In a homeostatic control mechanism, which component monitors the environment?
The Receptor
Which of the following is the proper description of the human body in the anatomical position?
The body is erect with feet slightly apart, palms facing forward, and thumbs pointing away from the body.
Which of the following is a correct pairing of a body cavity with its contents?
The cavity at C contains the lungs.
Why is the figure considered to be an example of a negative feedback system, as opposed to a positive feedback system?
The figure illustrates the correction of an imbalance back to a baseline.
