Exam 1 Review Flashcards
Connective tissue can repair and regenerate by the presence of _________________ cells
mesenchymal
Desmosomes are an example of __________________
adrerens junctions
Which of the following is needed to form microvilli?
A) microtubules
B) cilia
C) transport vesicles
D) intermediate filaments
E) microfilaments
E) microfilaments
Identify the tissue shown
dense regular CT
Pinocytosis is ______________?
type of endocytosis that involves the nonselective uptake of tiny droplets of ECF
Which of the following type of fibers are most abundant in the spleen?
A) collagen
B) elastic
C) reticular
D) none of the above
C) reticular
A macrophage is a CT cell which takes part in _________
phagocytosis
Which of the following tissues reduces friction between articulating bones?
A) stratified squamous epithelia
B) dense regular CT
C) hyaline cartilage
D) fibrocartilage
E) loose CT proper
C) hyaline cartilage
Which of the following tissues would have the most ground substance?
A) loose CT proper
B) elastic cartilage
C) transitional epithelium
D) dense regular CT
E) adipose tissue
A) loose CT proper
As epithelial tissue is avascular, the cell must receive the nutrients via ___________
diffusion
Identify this tissue
hyaline cartilage
Beneath the periosteum of a bone, you would see…
circumferential lamellae
Which of the following cells can move, for example from CT to blood vessels (diapediasis)?
A) melanocytes
B) adipocytes
C) fibrocytes
D) lymphocytes
E) fibroblasts
D) lymphocytes
Which of the following cells play a role in calcium homeostasis?
A) chondrocytes
B) fibroblasts
C) macrophages
D) mast cells
E) osteoclasts
E) osteoclasts
Vesicles formed by the golgi complex that contain strong hydrolytic and digestive enzymes = ?
lysosomes
Endothelium is classified as ____________
simple squamous epithelium
Cytoplasmic extensions of osteocytes that allow cell-cell communication are __________
canaliculi
Transitional epithelium can be found in which of the following locations?
A) lining the body surface
B) forming the exchange surface of the lungs
C) covering bones
D) tendons
E) lining the urinary bladder
E) lining the urinary bladder
The sebaceous glands that release on hair follicles use which mechanism of secretion?
holocrine
Thickening of the left ventricular heart wall due to environmental stress is an example of _____________
hypertrophy
Elongated, long glands are classified as tubular, rounded sac-like glands are called?
acinar
CT proper contains protein fibers within the matrix, these consist of collagen, reticular, and _________ fibers
elastic
The ground substance of CT proper is often described as?
viscous
Identify the tissue shown
transitional epithelia
Osteocytes can communicate with each other due to ______________ within the matrix
canaliculi
Primary active transport is best described by which statement?
A) movement of water from an area of higher to lower water concentration through a selectively permeable membrane
B) use energy derived from hydrolysis to “pump” a substance across a cellular membrane against its concentration gradient
C) movement of materials out of the cell by fusing of secretory vesicles with the plasma membrane
D) movement of water from an area of higher to lower water concentration through a selectively permeable membrane
E) indirectly use energy obtained from breakdown of ATP, involves symporters and antiporters
B) use energy derived from hydrolysis to “pump” a substance across a cellular membrane against its concentration gradient
Which of the following cells would be found located within a lacunae?
A) osteocyte
B) microphage
C) osteoclast
D) fibroblast
E) lymphocyte
A) osteocyte
Which of the following types of connective tissue is located directly underneath the epidermis?
A) reticular connective tissue
B) loose areolar connective tissue
C) osseous tissue
D) adipose connective tissue
E) elastic dense connective tissue
B) loose areolar connective tissue
Acid reflux from the stomach can cause cellular changes in the adjacent esophagus, this type of pathology is known as?
metaplasia
programmed cell death is known as ____________
apoptosis
If you soak your hands un dishwater, you may notice that your skin absorbs water and swells. This is because your skin cells are ______________ to the _______________ dishwater
hypertonic, hypotonic
Fat, or adipose tissue is correctly classified as ________________________________________?
connective tissue, proper, loose
Chondroitin sulphate within cartilage is an example of ______________
matrix molecule
Which of the following statements is true for merocrine secretion?
A) release product into blood
B) endocytosis follows exocytosis
C) secretion occurs by exocytosis
D) release product from its apical surface in vesicles
E) whole-cell breaks down to secrete the product
C) secretion occurs by exocytosis
Epithelial cells that are adapted for absorption or secretion usually have _______________ at their apical surface
microvilli
Epithelium thar appears to have several layers of cells but actually has only one is classified as
pseudostratified epithelium
Osseous tissue has a matrix composed of calcium phosphate and ____________
collagen
Identify the tissue below
connective tissue proper loose areolar tissue
Cancellous tissue is also known as _______________
spongy bone
The plasma membrane of a human cell is a phospholipid bilayer containing proteins and ____________?
cholesterol
A stained preparation of a tissue shows cells spaced among only 1 type of matrix fiber with lots of ground substance, this tissue is __________________?
reticular tissue
The main components of connective tissue are __________________, ________________, and __________________
ground substance, protein fibers, specialized cells
If the concentration of glucose in the interstitial fluid surrounding cells increase (other solutes remain constant), then ___________________
the cells will shrink
Which of the following transport processes always requires metabolic energy?
A) diffusion
B) osmosis
C) facilitated diffusion
D) vesicular transport
E) carrier-mediated transport
D) vesicular transport
Which of the following are true about centrioles?
A) forms and assembles ribosomes
B) is membrane-bound organelle
C) causes apoptosis
D) important for organizing spindle fibers
E) causes necrosis
D) important for organizing spindle fibers
Which of the following are needed to form cilia?
A) actin
B) collagen
C) intermediate filaments
D) microfilaments
E) microtubules
E) microtubules
Which of the following tissues is avascular?
A) reticular
B) adipose
C) areolar
D) hyaline cartilage
E) osseous
D) hyaline cartilage
These fibers are strong yet flexible and resist force in one direction:
collagen
