Histology Exam 2

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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


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