Anatomy

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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


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