51-100 Flashcards
(50 cards)
1
Q
- Last phase of mitosis, chromosome are in two new cells and nuclear membranes start to reform://
A
Telophase
2
Q
- Organelle that contains breaks down molecules://
A
Lysosomes
3
Q
- Structures within the cells that carry out a job - most are membrane-bound://
A
Organelle
4
Q
- Organelle were sorting and packaging into vesicles takes place://
A
Golgi apparatus
5
Q
- Which of the following stains is used for routine histological examination://
A
Hematoxylin and eosin
6
Q
- Which of the following stain blue with H&E stain://
A
Nucleus
7
Q
- Analysis of amniotic fluid that was obtained as a result of amniocentesis (puncture of amniotic sac) revealed cells the nuclei of which contain sex chromatin (Barr’s body). What can it be evidence of://
A
Development of female foetus
8
Q
- An infant has been diagnosed with microcephaly. Doctors suspect that this brain disorder developed due to the fact that the mother had been taking actinomycin D during her pregnancy. What germinal layers have been affected by this teratogen://
A
Ectoderm
9
Q
59.A histological specimen shows significant amount of mucous connective tissue (Wharton’s jelly),vessels,as wellas residual yolk and allantois.Name this organ://
A
Umbilical cord
10
Q
- Nutrition of the embryo in the early stages of embryogenesis://
A
Endometrium
11
Q
- Human blastula is called://
A
Blastocyst
12
Q
- Gastrulation occurs with in the following days://
A
Week 3 after formation of primitive streak 6 to 7 days after fertilization.
13
Q
- Large brown blastomer form://
A
Placenta in embryoblast
14
Q
- In the neck of the spermatozoon are placed://
A
Centrioles
15
Q
- Of these organelles in the ovul the next is lack://
A
Centr  some
16
Q
- Contains enzymes that digest a path for the sperm://
A
Acrosome
17
Q
- Human blastula is called://
A
Blastocyst
18
Q
- The connecting link between the mother’s body and fetus://
A
Placenta
19
Q
- Large brown blastomers form://
A
Placenta in embryoblast
20
Q
- In the neck of the spermatozoon are placed://
A
centrioles that form the cilium
21
Q
- “Dark” and “light” blastomeres are formed in the process of://
A
Shayad cleavage
22
Q
- In human fertilization and cleavage takes place in://
A
Fallopian tube
23
Q
- In the formation of human placenta involved extraembryonic organ://
A
Chorion
24
Q
- Implantation of the human embryo takes place on://
A
Uterus
25
75. The human embryo, formed as a result of cleavage is called://
26
76. The implementation process of the embryo in the uterine wall is called://
Implantation
27
77. The human embryo crushing begins by the end of://
4-8 wears
28
78. Which process in the third week of development converts the embryonic disc into the trilaminar embryo://
Gestrulation
29
79.Placenta accreta is a medical condition in which the placenta attaches abnormally to the myometrium. What is the earliest embryonic stage that this could occur, which cells are responsible for this attachment://
Chorionic villi
30
80. Malformation of the peripheral nervous system is linked to specific groups cell formed during neurulation, and these cells are derived from one of 3 embryonic germ layers. What is this specific group of cells, and which embryonic layers are they derived from://
Neural crest cells, ectoderm
31
81. A radioactive marker was applied to the mesoderm of a mammalian embryo. Which tissues or organs would have this marker in the adult://
Muscle cells, connective tissues
32
82. During which phase does the nuclear envelope begin to disappear://
prophase
33
83. What exact cells are localized to the neural plate of the embryo during the third week of prenatal development://
Neural crest cells
34
84. What is the prenatal organ that joins the pregnant woman and the developing embryo during the second week of prenatal development://
Placenta
35
85. From which embryonic layer is mesoderm derived during prenatal development:
Epiblast
36
86. Which of the following tissues listed will develop from the ectoderm layer of the embryo during prenatal development://
Epidermis
37
87. Found in early prenatal development, the neural tube will form in the future which of the following structures://
Spinal cord
38
88. What type of tissue lines the urinary bladder://
transitional epithelium
39
89. What type of epithelial cells are as tall as they are wide://
cuboidal epithelium
40
90. What do you call the simple squamous epithelium that lines the blood vessels://
endotheium
41
91. What type of gland secretes its product through a duct or tube://
exocrine glands
42
92. What type of tissue lines the esophagus://
stratified squamous non keratinised epithelium
43
93. What type of epithelial cells are taller than they are wide://
columnar epithelium
44
94. Which of the following is a unicellular gland://
mucous and goblet cells
45
95. What is another term for an acinar gland://
alveolar gland
46
96. What is a characteristic of the cells in the epidermis of the skin://
keratinised
47
97. What type of epithelium is composed of flat cells://
squamous
48
98. An intermediate filament protein found in cytoplasm of most epithelial cells is which of the following://
Keratin
49
99. An 11-month-old girl is referred to a pediatric gastroenterology clinic due to a history of generalized weakness, slow growth, and refractory diarrhea. For the past month she has been hospitalized regularly to receive parenteral nutrition. Examination of the epithelium lining her small intestine confirms that the failure to absorb nutrients is most likely due to a significant decrease in which of the following://
Micro villi
50
100. With a 5-year history of chronic respiratory infections, a 23-year-old, non-smoking man is referred to an otolaryngologist. A bronchial biopsy indicates altered structures in the epithelial cells. Which of the following, if altered to reduce function, is most likely involved in this patient’s condition://
Cilia
