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