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Histology exam 2
Histology
35
Biology
Undergraduate 3
12/09/2009

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Term
Edema would most likely appear...
Definition
lymphatic drainage is blocked
Term
Which of the following statement is TRURE regarding synapses?
Definition
a wave of depolarization reaches the telodendria and opens the voltage gated Ca2+ channels
Term
Which of the following is a CORRECT match regarding blood cells?
Definition
reticulocytes: ribosomes produces hemoglobin
Term
Which of the followig statement is TRUE regarding muscle?
Definition
Cardiac muscle is the only type of muscle possesses branched cells.
Term
Which of the following is not TRUE about veins?
Definition
Veins have an obvious and well developed internal elastic membrane.
Term
You look at a bone moarrow with the following characteristic -large diameter cell -lightly basophilic cytoplasm -large indented nuclei some of which have obvious nucleoli
Definition
There are a large number of immature granulocytic celss
Term
Which of the following contains dense regular connective tissue?
Definition
ligaments
Term
In an animal that is appropriately responding to an acute infection, which type of cell would you expectto be increased in a peripheral blood smear?
Definition
band cells
Term
When viewing a cross-section of a nerve, visible nuclei COULD NOT belong to...
Definition
neuronal cell bodies
Term
Megakaryocytes formed by
Definition
the replication of chromosome without cells division
Term
Fenestrated capillaries can be found...
Definition
in the intestine
Term
Which of the following cell is incapable of dividing?
Definition
normablast
Term
Which of the following IS NOT part of gray matter in the CNS?
Definition
satellite cells
Term
Which of the following statement is TRUE?
Definition
the atria contracts before the ventricle
Term
Which of the following is not a characteristic of neurons?
Definition
several axons
Term
Which of the following is NOT TRUE about intercalated disks?
Definition
They occur in all straited muscle
Term
In a normal functioning capillary bed...
Definition
fluid exist on the ateriole side of the bed.
Term
Which of the following statement is FALSE?
Definition
a colony-forming unit is an example of a totipotent cell
Term
Thin filament in skeletal mucsle
Definition
-constitute the I-band of the sacromere
-contain the protein actin
-contains the protein troponin and tropomyosin
-attach to the Z-line of the sacromere
Term
_____ are capable of myelinating several axons at once.
Definition
Oligodendrocytes
Term
Straitified sqamous epithelium is characterized by a superficial layer of_____ cells and is best adapted for _____.
Definition
flat; resistance to abrasion
Term
Which of the following SHORTENS during contraction?
Definition
*H-band
*the space between Z-lines
*I-band
*sacromere length
Term
Which of the following is TRUE regaring neutrophils?
Definition
Barr bodies are sometime observable in female's neutrophils
Term
Terminal cistern are...
Definition
the site of Ca2+ release from the sacroplasmic reticulum
Term
Which of the following is TRUE regarding action potential?
Definition
Hyperpolarization is when the membrane potential becomes lower than the resting membrane potential
Term
Which of the foloowing term is LEAST related?
Definition
autonomic nervous system: controls skeletal muscle
Term
Which of the following statement is FALSE?
Definition
Sinusoids posses a continuous endothelial lining
Term
Which of the following is TRUE?
Definition
when an action potential jumps between nodes of Ravier it is called saltatory conduction
Term
Myelinating cells located in the peripheral nervous system are called____ but if they are found in the central nervous system they are called____
Definition
Schwann cells; oligodendrocytes
Term
Which of the following is FALSE?
Definition
Eosinophils are the rarest leukocyte observed in the peripheral blood smear
Term
Which of the following contains multipolar neurons?
Definition
Spinal cord & cerebellum
Term
Purkinje fibers are modified____ and are found close to the ____.
Definition
cardiac muscle cells; endocardium
Term
Which of the following lacks a perichondrium?
Definition
articular cartilage and fibrocartilage
Term
Which of the following has a higher concentration inside resting neurons as opposed to the extracellular fluid?
Definition
anions/proteins & K+
Term
Which of the following is TRUE regarding cardiac muscle contraction?
Definition
Intercalated discs allowed for simultaneous contraction of the heart
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