Anatomy
A patient previously had abdominal surgery and has a scar from a transverse (cross) section. Now, he'll have another surgery that requires a parasagittal section, which will intersect the transverse section. What will his scars look like when his incision heals
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Organs in which body cavity account for most blunt trauma injuries
Abdominal cavity
Which if the following cavities is not associated with the urinary bladder -ventral, abdominopelvic, pelvic, abdominal
Abdominal cavity
Used for locating organs
Abdominal regions
Which body cavity can be further subdivided into quadrants and regions
Abdominopelvic
Blood calcium levels are maintained by a negative feedback homeostatic mechanism. When blood calcium levels rise beyond their set point, a hormone called calcitonin is released by the thyroid gland to lower blood calcium levels back to their set point. What role does the thyroid gland play in this mechanism
Effector
Select all the regions of the abdominopelvic cavity that are medial
Epigastric region, hypogastric region
The surgeon created an opening in the chest during surgery. The incision was made along a plane hat equally separated the right and left halves of the thoracic cavity. This section is known as a _____?
median (midsagital) section
The central region of the thoracic cavity containing the heart is called the __________.
mediastinum
What makes up the thoracic cavity
mediastinum, pleural cavity
Which of these carries out the commands of a homeostatic control center?
effector
A stabilizing mechanism
Negative feedback
most important, common type of feedback
Negative feedback
Which of these internal body cavities is the most inferior? -abdominal, pelvic, cranial, thoracic
Pelvic cavity
Milk production increases during breastfeeding when a newborn suckles from his mother's nipple. This type of feedback mechanism in which the stimulus pushes milk production farther from its original value best describes
Positive feedback
Place the components of a homeostatic control system in order
Receptor, afferent pathway, control center, efferent pathway, effector
A young child sustained a baseball hit to his cranial cavity. Which bones were fractured?
Skull
Which body cavity subdivision is part of the dorsal cavity
Spinal cavity
What cavity is superior to the diaphragm -abdominal, pelvic, spinal, thoracic
Thoracic cavity
What makes up the ventral cavityb
Thoracic, dorsal
An outpatient is having a scan performed to check for lung cancer. The lung should be scanned showing the lungs image in a left to right view. What type of plane do you recommend
Transverse (cross plane)
The diaphragm creates a ... section by dividing the ventral body cavity into superior and inferior subdivisions
Transverse (cross)
Most homeostatic control mechanisms are negative feedback mechanisms
True
The thoracic cavity is separated from the abdominopelvic cavity but the diaphragm
True
There is no physical structure that separates the abdominal cavity from the pelvic cavity.
True
The navel is located in the .... region of the abdominopelvic cavity
Umbilical
A patient in the emergency department complains of pain in her right upper quadrant. What organ is least likely to be the cause of her pain
Urinary bladder
Which body cavity includes all others
Ventral cavity
What is an example of a homeostatic imbalance
being sick with the flu
What makes up the dorsal cavity?
cranial cavity and spinal cavity
What part of the negative feedback mechanism is the sweat gland?
effector
How many abdominal regions are there?
9
The hypogastric (pubic) region is directly superior to the umbilical region
False
The spinal cavity is part of the ventral body cavity.
False
Transverse or cross sections divide the body into anterior and posterior parts
False
Insures that chemicals, volumes, and temperatures remain within "normal ranges"
Homeostasis
The body's ability to maintain stable internal conditions is called
Homeostasis
What type of sensor monitors and responds to changes in the environment in a negative feedback loop
Receptor
The epigastric region is ... to the right hypochondriac region of the abdominopelvic cavity
Medial
Which term best describes the concept of homeostasis
Relatively stable internal environment
Considering the homeostatic control of body temperature when we become too hot, predict what would happen to body temperature if the effector was unable to perform its job
The body would not be able to reduce the effect of the stimulus
The lungs and heart are situated in the ... body cavity
Thoracic
The orbital cavities house the
eyes
Which of these planes would show the heart, lungs, and liver in the same section?
frontal (coronal) plane
What is the overall effect of a negative feedback mechanism
reduces or stops the initial stimulus
Which of these describes the effect of a negative feedback mechanism
reduces the intensity of the initial stimulus
In what quadrant is the gallbladder located
right upper quadrant
The dorsal body cavity houses the
spinal cord and brain
To perform heart surgery, an incision is made into the ____ cavity.
thoracic
Which type of plane separates the thoracic cavity from the abdominopelvic cavity
transverse (cross)
The two major body cavities are ________ and ________.
ventral and dorsal