Quiz 1-3
Blood is considered a weak base . Select the pH that best represents blood .
pH 4.6
The atomic number of an atom is equal to the number of ________ an atom contains.
protons
Matter is best described as ________.
anything that occupies space and has mass
Which of the following is common to all elements?
atoms
Which of the following is found in a molecule of DNA but not in a molecule of RNA?
Deoxyribose
Which two organ systems include the pancreas?
Digestive and endocrine systems
Which system covers the external surface of the body and protects deeper tissues?
Integumentary system
What type of bond results when electrons are completely transferred from one atom to another?
Ionic bond
Identify the cavity that houses the spinal cord.
Label B
Which region is associated with the lower ribs?
Label B
Identify the cavity that houses the heart and lungs (and other organs).
Label C
Which region is the umbilical region?
Label C
Identify the structure that separates the thoracic cavity from the rest of the ventral cavity.
Label D
Which region is lateral to the umbilical region?
Label D
Identify the cavity that houses the stomach, liver, and other digestive organs.
Label E
The hypogastric (pubic) region is ________.
Label E
Which region is situated inferior to the right lumbar region?
Label F
Which of these regions is not associated with the ventral (anterior) portion of the head?
Occipital
Which of these internal body cavities is the most inferior?
Pelvic cavity
Which directional term best describes the location of the human nose?
Anterior
Which of the following orientation and directional terms have the same meaning (in humans)?
Anterior and ventral
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
Which type of plane separates the thoracic cavity from the abdominopelvic cavity?
Transverse (cross)
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 thoracic cavity is separated from the abdominopelvic cavity by the diaphragm.
True
Which body cavity includes all others?
Ventral cavity
A football player broke a bone in the tarsal region. This region is in the ________.
ankle
Ventral is a directional term synonymous with ________ in humans.
anterior
Which of the following represents the chemical level of structure in the human body?
atoms
The major organs of the skeletal system are the ________.
bones, cartilages, and joints
When correctly situated in anatomical position, where are your feet in relation to your knees?
distal
The system that controls and coordinates the body using hormones is the ________.
endocrine system
The orbital cavities house the ________.
eyes
Glands of the nervous system release chemicals called hormones into the blood.
false
The hypogastric (pubic) region is directly superior to the umbilical region.
false
The body's ability to maintain stable internal conditions is referred to as ________.
homeostasis
The reaction sucrose + water → glucose + fructose is an example of a(n) ________.
hydrolysis reaction
The right and left iliac (inguinal) regions are lateral to the ________ region.
hypogastric (pubic)
The hypogastric (pubic) region is ________ to the umbilical region.
inferior
The epigastric region is ________ to the right hypochondriac region of the abdominopelvic cavity.
medial
A surgeon created an opening in the chest during surgery. The incision was made along a plane that equally separated the right and left halves of the thoracic cavity. This section is known as a(n) ________.
median (midsagittal) section
The central region of the thoracic cavity containing the heart is called the ________.
mediastinum
The number of protons always equals the ________ in a neutral atom.
number of electrons
A broken rib on the right side of the body would likely be felt in the
right hypochondriac region
The dorsal body cavity houses the ________.
spinal cord and brain
The diaphragm creates a ________ section by dividing the ventral body cavity into superior and inferior subdivisions.
transverse (cross)
In anatomical position, a person is assumed to be standing erect.
true
Most homeostatic control mechanisms are negative feedback mechanisms.
true
Survival needs include nutrients, oxygen, water, and appropriate temperature and atmospheric pressure.
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
The two major internal body cavities are the ________ cavity and the ________ cavity.
ventral; dorsal
What is the atomic number of the atom in Figure 2.2?
6
Which body cavity can be further subdivided into quadrants and regions?
Abdominopelvic
In which region is the stomach located?
Label A
An atom has 6 protons, 8 neutrons, and 6 electrons. Its atomic mass number is ________.
14
Select all of the regions of the abdominopelvic cavity that are medial. 1) right iliac (inguinal) region2) epigastric region3) hypogastric region4) left lumbar region5) left hypochondriac region
2 and 3
An atom with 13 electrons will have ________ electrons in the valence shell.
3
Which type of functional protein serves as a catalyst in the body's chemical reactions?
Enzymes
Cells are the building blocks of all matter.
False
The spinal cavity is part of the ventral body cavity.
False
The tarsal region is proximal to the patellar region.
False
Which of the following is the smallest unit of all living things?
cells
Label F points to the ________ cavity.
pelvic
Glycogen and starch are examples of a specific category of carbohydrates called ________.
polysaccharides
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
During a synthesis reaction, amino acids join to form ________.
proteins
The lungs and heart are situated in the ________ body cavity.
thoracic
To perform heart surgery, an incision is made into the ________ cavity.
thoracic
