Final practice questions Flashcards
When a squamous epithelial lining changes to a secretory epithelia, this is an example of:
metaplasia
Decreased blood flow to a cell or tissue is known as:
ischemia
Hyperplasia is best described as:
an increase in the number of cells
Stratified squamous keratinized epithelium is found in the __________
epidermis
Glands that release secretory vesicles onto the apical surface of the cells are classified as:
merocrine
A difference between exocrine and endocrine glands is that:
exocrine glands remain attached to the surface
A tissue located within the lung functionally responsible for oxygen movement would be of which epithelial type?
Simple squamous
Transmembrane proteins that permit rapid intercellular communication form __________ between epithelial cells
gap junctions
Blood vessels are located within:
the CT tissue beneath epithelial cells
Which of the following statements is not true?
Epithelia:
-protects organs
-lines visceral organs
-stores energy
-secretes macromolecules
-covers exposed surfaces
-stores energy
__________ is a type of endocytosis that involves the nonselective uptake of tiny droplets of extracellular fluid
pinocytosis
CT proper contains protein fibers within the matrix, these consist of collagen, reticular and ________ fibers
elastic
Endothelium would be found in what structure?
-Tunica media
-Tunica externa
-visceral epicardium
-tunica intima
-pericardium
tunica intima
RBCs can’t divide due to:
having no nucleus
What cell releases histamine?
basophil
After small muscular arteries, blood then runs into:
arterioles
In a blood smear, which cell are you most likely to be able to see?
neutrophils
These glial cells line the CSF filled ventricles of the brain:
ependymal cells
The function of vasa vasorum is:
to supply nutrients and blood to larger vessels of the body
Vessel of the vessels
Underneath the mucosa of the GI tract is the ________ layer
submucosa
Platelets are not true cells, but cell fragments that are formed from:
megakaryocytes
Venules lack a tunica ______
media
Neurons form circuits within neural tissue, which structure is for receiving information?
dendrites
The part of the cardiovascular system that controls blood pressure is:
tunica media
The epicardium of the heart corresponds to the:
visceral layer of pericardium
In the digestive system, keratinized epithelia can be found in which location?
gingiva
Tonsils are named according to their location, however each tonsil is covered by:
stratified squamous epithelium
Loose CT with abundant lymphocytes found along the lining of the digestive tract is called:
MALT
The region of the stomach that empties into the small intestine is the:
pylorus
Which of the following carries out mediated immunity (humoral immunity)?
B-cells
Hyperplasia is best described as?
an increase in the number of cells
Stratified squamous keratinized epithelium is found in the?
skin
Which structure develops into an embryoblast?
ICM
Amphimixis is best defined as?
fusion of two pronuclei
Put these structures in order from the first to form:
-amnion
-trophoblast
-mesoderm
-neural tube
-notochord
-trophoblast
-amnion
-mesoderm
-notochord
-neural tube
Oxygen, nutrient rich blood is brought into the fetus by?
umbilical vein
An implanted embryo is covered by a layer of tissue called the ______ ?
decidua capsularis
Which of the following is a temporary blood vessel that connects the pulmonary truck to the aorta?
ductus arteriosus
Amino acids and iron pass to the fetus across the placenta by ______
active transport
The decidua basalis can be described by which of the following?
layer of endometrium that gives rise to the placenta
Which of the following tissues separates to form primitive body cavities?
lateral plate mesoderm
Name three different structures neural crest cells give rise to?
PNS, ANS, Cranial bones
Describe the location of the vitelline duct
connects yolk sac to midgut lumen
The ______ develops into the aorta and pulmonary trunk?
truncus arteriosus
The structure that brings nutrients from the placenta is called the
umbilical vein
The surface area between the fetal and maternal sides of the placenta is increased by the presence of ?
chorionic villi
The ductus venous can be described as?
a shunt to bypass the embryonic/fetal tissues
An apical ectodermal ridge is a feature of the developing?
limbs
The sclerotome of somites on the right and left fuse to form a
centrum
