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Histology & Embryology > Final practice questions > Flashcards

Final practice questions Flashcards

1
Q

When a squamous epithelial lining changes to a secretory epithelia, this is an example of:

A

metaplasia

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2
Q

Decreased blood flow to a cell or tissue is known as:

A

ischemia

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3
Q

Hyperplasia is best described as:

A

an increase in the number of cells

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4
Q

Stratified squamous keratinized epithelium is found in the __________

A

epidermis

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5
Q

Glands that release secretory vesicles onto the apical surface of the cells are classified as:

A

merocrine

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6
Q

A difference between exocrine and endocrine glands is that:

A

exocrine glands remain attached to the surface

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7
Q

A tissue located within the lung functionally responsible for oxygen movement would be of which epithelial type?

A

Simple squamous

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8
Q

Transmembrane proteins that permit rapid intercellular communication form __________ between epithelial cells

A

gap junctions

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9
Q

Blood vessels are located within:

A

the CT tissue beneath epithelial cells

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10
Q

Which of the following statements is not true?

Epithelia:
-protects organs
-lines visceral organs
-stores energy
-secretes macromolecules
-covers exposed surfaces

A

-stores energy

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11
Q

__________ is a type of endocytosis that involves the nonselective uptake of tiny droplets of extracellular fluid

A

pinocytosis

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12
Q

CT proper contains protein fibers within the matrix, these consist of collagen, reticular and ________ fibers

A

elastic

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13
Q

Endothelium would be found in what structure?
-Tunica media
-Tunica externa
-visceral epicardium
-tunica intima
-pericardium

A

tunica intima

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14
Q

RBCs can’t divide due to:

A

having no nucleus

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15
Q

What cell releases histamine?

A

basophil

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16
Q

After small muscular arteries, blood then runs into:

A

arterioles

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17
Q

In a blood smear, which cell are you most likely to be able to see?

A

neutrophils

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18
Q

These glial cells line the CSF filled ventricles of the brain:

A

ependymal cells

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19
Q

The function of vasa vasorum is:

A

to supply nutrients and blood to larger vessels of the body

Vessel of the vessels

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20
Q

Underneath the mucosa of the GI tract is the ________ layer

A

submucosa

21
Q

Platelets are not true cells, but cell fragments that are formed from:

A

megakaryocytes

22
Q

Venules lack a tunica ______

A

media

23
Q

Neurons form circuits within neural tissue, which structure is for receiving information?

A

dendrites

24
Q

The part of the cardiovascular system that controls blood pressure is:

A

tunica media

25
Q

The epicardium of the heart corresponds to the:

A

visceral layer of pericardium

26
Q

In the digestive system, keratinized epithelia can be found in which location?

A

gingiva

27
Q

Tonsils are named according to their location, however each tonsil is covered by:

A

stratified squamous epithelium

28
Q

Loose CT with abundant lymphocytes found along the lining of the digestive tract is called:

A

MALT

29
Q

The region of the stomach that empties into the small intestine is the:

A

pylorus

30
Q

Which of the following carries out mediated immunity (humoral immunity)?

A

B-cells

31
Q

Hyperplasia is best described as?

A

an increase in the number of cells

32
Q

Stratified squamous keratinized epithelium is found in the?

A

skin

33
Q

Which structure develops into an embryoblast?

A

ICM

34
Q

Amphimixis is best defined as?

A

fusion of two pronuclei

35
Q

Put these structures in order from the first to form:
-amnion
-trophoblast
-mesoderm
-neural tube
-notochord

A

-trophoblast
-amnion
-mesoderm
-notochord
-neural tube

36
Q

Oxygen, nutrient rich blood is brought into the fetus by?

A

umbilical vein

37
Q

An implanted embryo is covered by a layer of tissue called the ______ ?

A

decidua capsularis

38
Q

Which of the following is a temporary blood vessel that connects the pulmonary truck to the aorta?

A

ductus arteriosus

39
Q

Amino acids and iron pass to the fetus across the placenta by ______

A

active transport

40
Q

The decidua basalis can be described by which of the following?

A

layer of endometrium that gives rise to the placenta

41
Q

Which of the following tissues separates to form primitive body cavities?

A

lateral plate mesoderm

42
Q

Name three different structures neural crest cells give rise to?

A

PNS, ANS, Cranial bones

43
Q

Describe the location of the vitelline duct

A

connects yolk sac to midgut lumen

44
Q

The ______ develops into the aorta and pulmonary trunk?

A

truncus arteriosus

45
Q

The structure that brings nutrients from the placenta is called the

A

umbilical vein

46
Q

The surface area between the fetal and maternal sides of the placenta is increased by the presence of ?

A

chorionic villi

47
Q

The ductus venous can be described as?

A

a shunt to bypass the embryonic/fetal tissues

48
Q

An apical ectodermal ridge is a feature of the developing?

A

limbs

49
Q

The sclerotome of somites on the right and left fuse to form a

A

centrum

Histology & Embryology (21 decks)

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