The disassembly of which of the following in uterine epithelial cells allows the blastocyst to penetrate between epithelial cells?
1. Tight junctions
2. Adhering junctions
3. Gap junctions
4. Apical cell membrane
The cartilage shown in the given diagram is found in all the following locations except:
1. Articular cartilage
2. Larynx
3. Epiglottis
4. Ribs
Which of the following is not true for connective tissue?
1. Cells lie embedded in the matrix
2. Glycosaminoglycans and proteoglycans are present in ground substance
3. All connective tissues are fibrous
4. Connective tissues are derived from the mesenchyme
Compared to other connective tissues, which of the following has a very slow turnover of its extracellular matrix and does not repair?
1. Bone
2. Cartilage
3. Ligament
4. Tendon
Identify the incorrectly matched pair:
|
Epithelium |
Location |
1. |
Non ciliated simple columnar |
Oviduct |
2. |
Simple cuboidal |
Surface of ovary |
3. |
Simple squamous |
Peritoneum |
4. |
Simple cuboidal brush bordered |
PCT of nephron |
The primary functions of epithelium include:
A. To protect the tissues that lie beneath from radiation, desiccation, toxins, invasion by pathogens, and physical trauma
B. The regulation and exchange of chemicals between the underlying tissues and a body cavity
C. The secretion of hormones into the circulatory system, as well as the secretion of sweat, mucus, enzymes, and other products that are delivered by ducts
D. To provide sensation
E. Absorb water and digested food in the lining of digestive canal.
1. All except D | 2. All except C and D |
3. All except C | 4. All |
The main function of adipose tissue is
1. | providing insulation from heat and cold |
2. | providing protective padding around organs |
3. | to be a reserve of lipids |
4. | providing feedback for hunger and diet to the brain |
The outermost nucleated cytoplasmic layer of Schwann cells that surrounds the axon of the neuron is called as:
1. Axolemma
2. Post synaptic membrane
3. Neurolemma
4. Myelin sheath
What type of cell junctions are shown in the given diagram?
1. Tight junctions
2. Adhering junctions
3. Gap junctions
4. Desmosome
The calcium binding protein, troponin, is found in:
1. Cardiac muscle and smooth muscle
2. Smooth muscle and skeletal muscle
3. Skeletal muscle and cardiac muscle
4. Skeletal muscle, smooth muscle and cardiac muscle