Histology Exam 2
the neuromuscular junction uses ____ as its neurotransmitter.
acetylcholine
the neuromuscular junction uses _____ as its neurotransmitter.
acetylcholine
the neurotransmitter that is used at the neuromuscular junction is
acetylcholine
the z-line is made up of
actin only
bilobated nuclei are characteristic of
eosinophils
reticulocytes are ____ that contain a nucleus.
erythrocytes
collagen fibers are synthesized by
fibroblast
collagen is synthesized by
fibroblast
reticular cells are modified
fibroblast
the type of cartilage that does not have a perichondrium is
fibrocartilage
the structural glycoprotein associated with cellular adhesion is
fibronectin
all the following describe brown (multilocular) adipose tissue except: a. many mitochondria b. flattened peripheral nucleus c. smaller lipid droplets d. converts stored energy to heat
flattened peripheral nucleus
intercalated discs represent ____ between cardiac muscle cells.
gap junctions
intercalated disk of cardiac muscle represent
gap junctions
intercalated disks represent ____ between cardiac muscle cells.
gap junctions
the glycosaminoglycan associated with reticular fibers is
heparin sulfate
glycosaminoglycans are made up of primarily
sugars
the triad of a muscle cell is made up of
2 terminal cistem and 1 transverse tubule
if the hematocrit is 55%, it means that there is ____ in the blood.
55% erythrocytes
nissl bodies are made up of all the following except: a. polysomes b. rough endoplasmic reticulum c. ribosomes d. Golgi bodies
Golgi bodies
Nissl bodies are made up of all the following except: a. Golgi body b. ribosomes c. rough endoplasmic reticulum d. polysomes
Golgi body
the triad is located at the ____ of a sarcomere.
I-band
the macrophages of the nervous system are the
Mircoglia
a neuron with two neurites that look like one another is classified as
Pseudounipolar
plasma cells secrete
antibodies
cardiac muscle innervation is through the ____ nervous system.
autonomic
cardiac muscle innervation is through the
autonomic nervous system
the function of platelets is
blood clotting
thick filament heads have binding sites for
both ATP & actin
perichondrium is found in _____ cartilage.
both elastic & hyaline
perichondrium is found surrounding ____ cartilage.
both elastic & hyaline
the terminal cistern store
calcium
the telodendria is part of the ____ of a neuron.
cell body
the brain and spinal cord make up the ____ nervous system.
central
reticular fibers are made up of
collagen
the process of a neuron that carries action potentials toward the cell body is the
dendrite
the dermis of the skin is an excellent example of
dense irregular connective tissue
a tendon would be an excellent example of
dense regular connective tissue
thin filaments are made up of all the following except: a. light meromyosin b. TnC c. G-actin d. tropomyosin
light meromyosin
thin filaments are made up of all the following except: a. tropomyosin b. G-actin c. TnC d. light meromyosin
light meromyosin
specific granules of neutrophils represent
lysosomes
the granules in the neutrophil are
lysosomes
the specific granules of neutrophils represent
lysosomes
the cell that develops from blood monocytes is the
macrophage
the phagocytes of connective tissue are
macrophages
connective tissue develops from
mesoderm
connective tissue develops from the
mesoderm
the macrophage of the nervous system is the
microglia
tissue macrophages develop from
monocytes
high concentration of amorphous ground substance, collagen fibers and fibroblast are found in ____ connective tissue.
mucous
the connective tissue best associated with the conversion of stored energy
multilocular adipose connective tissue
the nodes of Ranvier represent interruptions in the
myelin sheath
ATP binds to _____ in skeletal muscle.
myosin
all the following are examples of glial cells except: a. neurons b. astrocytes c. microglia d. ependymal
neurons
the most numerous white blood cells are the
neutrophils
osteoid is secreted by
osteoblast
osteoid is synthesized by
osteoblast
Howship's lacunae are best associated with
osteoclast
the lacunae of the lamella of bone house
osteocytes
the lacunae of the lamella of the bone house
osteocytes
within the lamella of ground bone, one would find
osteocytes
chondroblast are located in the
perichondrium
muscle fascicles are covered directly by
perimysium
muscle fascicles are directly covered by
perimysium
the connective tissue that surrounds a muscle fascicle directly is the
perimysium
hyaline cartilage is made up of all the following except: a. phospholipid b. collagen c. proteoglycans d. water
phospholipid
hyaline cartilage is made up of all the following except: a. water b. proteoglycans c. collagen d. phospholipids
phospholipids
the ground substance of connective tissue is made up of all the following except: a. phospholipids b. glycosaminoglycans c. structural glycoproteins d. proteoglycans
phospholipids
IgE secretion is associated with the function of
plasma cells
plasma is made up of all the following except: a. albumin b. water c. platelets d. fibrinogen
platelets
plasma is made up of all the following except: a. fibrinogen b. platelets c. water d. albumin
platelets
plasma is made up of all the following except: a. water b. platelets c. sodium d. albumin
platelets
collagen is make up of primarily
protein
the function of nissl bodies is
protein synthesis
a neuron with two neurites that look like one is classified as
pseudounipolar
a neuron with two process that attach at the same point on the cell body is
pseudounipolar
a nucleated red blood cell is referred to as a
reticulocyte
all the following are true about cartilage except: a. bears mechanical stress b. no nerves go to it c. rich blood supply d. low metabolic rate
rich blood supply
all the following are true about cartilage except: a. low metabolic rate b. rich blood supply c. no nerves go to it d. bears mechanical stress
rich blood supply
all the following are true about osteoclast except: a. derived from monocytes b. have receptors for calcitonin c. secrete collagen d. reside in howship's lacunae
secrete collagen
all the following are true about osteoclast except: a. reside in howership's lacunae b. secrete collagen c. have receptors for calcitonin d. derived from monocytes
secrete collagen
dermatin sulfate is found primarily in
skin
striations appear in all types of muscle cells except
smooth
hydroxyapatite crystals are made up of all of the following except: a. sodium b. water c. calcium d. phosphate
sodium
hydroxyapatite crystals are made up of all the following except: a. calcium b. water c. sodium d. phosphate
sodium
hydroxyapatite crystals are made up of all the following except: a. phosphate b. calcium c. water d. sodium
sodium
adipose tissue performs all the following functions except: a. insulates the body b. shapes the body c. stores energy d. stores water
stores water
all the following are true about telodendria except: a. contain no myelin b. have multiple terminal boutons c. they are found on the distal dendrite d. they increase surface area
they are found in the distal dendrite
all the following are true about telodendria except: a. they increase the surface area b. they are found on the distal dendrite c. have multiple terminal boutons d. contain no myelin
they are found on the distal dendrite
the H-zone is made up of
thick filament only
the part of the thin filament that binds calcium is
troponin-C
all the following are true about Type II skeletal muscle except: a. uses glycolysis b. rapid contraction c. has less myoglobin d. uses fatty acids for energy
uses fatty acids for energy
all the following are true about Type II skeletal muscle except: a. uses fatty acids for energy b. has less myoglobin c. rapid contractions d. uses glycolysis
uses fatty acids fro energy
all the are true about Type I skeletal muscle except: a. rich in myoglobin b. uses glycolysis c. dark red in color d. used for slow continuous contractions
uses glycolysis
all the following are true about dense regular connective tissue except: a. fibroblast b. very little collagen c. resistant to stress d. less flexible than areolar connective tissue
very little collagen
all the following are true about smooth muscle except: a. fusiform shaped cells b. central nucleus c. voluntary d. nonstriated
voluntary
all the following are true about smooth muscle except: a. nonstriated b. voluntary c. central nucleus d. fusiform cell shape
voluntary
the triad is located at the _____ of the sarcomere.
z-line
the sarcomere is defined as that area of muscle between two
z-lines
