midterm lab exam
Which pH value is the most acidic?
2
Where does an enzyme bind to a substrate?
Active site
What is another term for the armpit?
Axillary region
Which osteon structure houses the cytoplasmic extensions of osteocytes?
Canaliculi
Which is an example of surface tension?
Cohesion of water molecules at the air and water boundary of the alveolus
Which two body cavities are found within the dorsal body cavity?
Cranial and vertebral
How would an increase in hydrogen ions change the pH of blood?
Decrease it
Which component of the feedback mechanism produces a response in the human body?
Effector
What part of the atom is most critical for creating chemical bonds?
Electrons Submit
Which organ system focuses on the large scale production of hormones?
Endocrine
Which two organ systems are most directly involved in reproduction?
Endocrine and reproductive
Which structure lines the medullary cavity?
Endosteum
What does enzyme specificity mean?
Enzymes can only bind to one type or shape of substrate .
What is the term for the end of a long bone?
Epiphysis
Which organ transports food from the pharynx to the stomach?
Esophagus
Which cartilage forms the meniscus?
Fibrocartilage
Which type of cartilage holds the pubic bones together very tightly, providing strong support and resistance to pressure?
Fibrocartilage
What bone is this?
Flat bone
Which bone type is thin and plate-like?
Flat bone
Which of these terms best describes a small hole going through a bone?
Foramen
Which plane of section is being demonstrated in figure (b)?
Frontal
Which statement is true?
Homeostasis is when the body maintains its internal condition within a narrow, stable range.
Which cartilage attaches the ribs to the sternum?
Hyaline
Which cartilage forms the epiphyseal plate?
Hyaline
Two water molecules are weakly attracted to each other when a slightly positive hydrogen atom in the first molecule is attracted to the slightly negative oxygen atom on the second molecule. What type of bond is this?
Hydrogen bond
Which organ system is correctly aligned with its function?
Integumentary system forms a physical barrier
How are interstitial lamellae different from the concentric lamellae?
Interstitial lamellae are partial osteons located between the concentric lamellae of complete osteons.
What happens to a protein that is exposed to acidic conditions?
It denatures.
Which bone type is longer than it is wide?
Long bone
Where is the adipose-filled yellow bone marrow located?
Medullary cavity of diaphysis
What are the building blocks of carbohydrates?
Monosaccharides
Body temperature regulation involves which type of feedback mechanism?
Negative
What bone is labeled "d"?
Occipital
What is found within the osteon's lacunae?
Osteocytes
Which organ belongs to more than one organ system?
Pancreas
What structure anchors tendons to the outside of bones plus houses the cells required for bone growth, repair, and remodeling?
Periosteum
What structure is the outermost, dense covering around bone?
Periosteum
Which serous membrane lines the thoracic cavity and covers only the lung?
Pleura
Which region is only visible on the posterior/dorsal body surface?
Popliteal
Which level of organization is represented by an α-helix or β-pleated sheet?
Secondary
How is the patella classified based on shape?
Sesamoid bone
How are the tarsals classified based on shape?
Short bone
On what bone is the sella turcica found?
Sphenoid
What bone is labeled "c"?
Sphenoid
Which of these terms best describes a sharp process?
Spine
The rectum is located in the ________ body cavity.
Spleen
Where are the trabeculae located?
Spongy bone
Where is the red bone marrow located?
Spongy bone
Which organ is found predominantly in the epigastric region?
Stomach
Which statement is true?
The epigastric region is medial to the right hypochondriac region.
How is the lacuna different from the canaliculus?
The lacuna houses the osteocyte, whereas the canaliculus holds houses the cytoplasmic extension of the osteocyte.
Which is the better example of the term medial?
The position of the eyes compared to the ears
Which is the better example of the term inferior?
The position of the eyes compared to the eyebrows
Which statement is true?
The ribs are superficial to the lungs. Submit
What can you conclude about the shared shape classification of the following bones: metatarsal, ulna, fibula, humerus, and tibia?
They are all long bones.
What happens to blood hydrogen ion levels as carbon dioxide levels rise?
They go up.
Which two body cavities are found within the ventral body cavity?
Thoracic and abdominopelvic
Which level of organization consists of two or more cell types working for a common function?
Tissue
Which plane of section is being demonstrated in figure (a)?
Transverse
Which description best fits the definition of an organ?
Two or more tissues working for a common function
Which organ system helps the body get rid of nitrogenous wastes?
Urinary
What bone is labeled "j"?
Zygomatic
What bone feature is labeled "k"?
Zygomatic arch
A buffer is __________.
a substance that stabilizes pH
The tendency for water molecules to stick or cling to another surface is called ________.
adhesion
A solution with a pH of 13 is called ______________.
alkaline
In anatomical position, the palm is oriented ________.
anterior
Identify the structure labeled "c."
central canal
The dorsal body cavity includes the ________ cavity.
cranial
The heart is ________ to the ribs.
deep
The visceral pleura is ________ to the parietal pleura.
deep
The spinal cord is located in the ________ body cavity.
dorsal
The brain is located in the ________ body cavities.
dorsal and cranial
The ________ body plane of section divides the body into anterior and posterior parts.
frontal
The lungs are ________ to the heart.
lateral
On what bone is the coronoid process found?
mandible
what bone is labeled K
maxilla
The pH scale ________________________.
measures the hydrogen ion concentration of a solution
Glucose is a _________.
monosaccharide
The patellar region is located ________.
on the anterior knee
What cells build the bone?
osteoblasts
What tool would help you determine the hydrogen ion concentration of urine?
pH test strip
Water molecules rely on ________ to hold their hydrogen and oxygen atoms together.
polar covalent bonds
Glycogen is a _______.
polysaccharide
When childbirth labor starts, the presence of the hormone oxytocin causes the contractions to increase in strength, which causes the level of oxytocin to increase, which in turn causes the contractions to further strengthen. This would be an example of a ________ feedback mechanism.
positive
An enzyme is a ________.
protein
The thigh is ________ to the knee.
proximal
The lymphatic system ________.
returns excess interstitial fluid back to the blood stream
The sagittal plane divides the body into ________.
right and left parts
The ________ body plane of section divides the body into right and left parts.
sagittal
In a mixture of salt water, the salt is called the _____________.
solute
The epigastric region is ________ to the umbilical region.
superior
The sternum is ________ to the pelvis.
superior
In this figure, the plane of section divides the brain into ________ parts.
superior and inferior
In a negative feedback mechanism, ________.
the output opposes or counteracts the stimulus
Water is called ________ because most molecules will dissolve in it.
the universal solvent
The ________ body plane of section divides the body into superior and inferior parts.
transverse
The pleural body cavity is located within the ________ body cavity.
ventral
The heart is located in the ________ body cavities.
ventral, thoracic, and pericardial
