7. Which of the following is false about TEM and SEM? A. In SEM, the electron beam does not pass through th specimen but is scan across its B. TEM and SEM use a beam of electrons rather than beam of light C. The resolving power of SEM is 2.5 nm. D. EM increases resolution by a factor of 1000 wh comparing with light microscope E. TEM provides three-dimensional images. 8. Simple squamous epithelium is seen in __ A. Renal collecting tubule B. Mesothelium of ovary C. Inner surface of comea D. Uterine tube E. Intestinal epithelium 9. Which of the following is not a function of plasma membrane? A. Selective permeability B. Electrochemical gradient C. Allowing all molecules to pass D. Communication E. Physical barrier 10. Macrophages in the liver are called __ A. Langerhans cells B. Purkinje cells C. Microglial cells D. Osteoclasts E. Kupffer cells 11. __ are responsible for local inflammatory respon innate immunity, and tissue repair. A. Plasma cells B. Mast cells C. Leucocytes D. Fibroblasts E. Macrophages 12. Tendon is an example of .. __ A. Dense regular connective tissue B. Areolar connective tissue C. Dense irregular connective tissue D. Mucoid connective tissue E. Reticular connective tissue

7. The false statement about TEM (Transmission Electron Microscopy) and SEM (Scanning Electron Microscopy) is:<br />C. The resolving power of SEM is 2.5 nm.<br /><br />Explanation: The resolving power of SEM is typically around 20 nm, not 2.5 nm. The resolving power of TEM can be much higher, often reaching the nanometer scale.<br /><br />8. Simple squamous epithelium is seen in:<br />C. Inner surface of cornea<br /><br />Explanation: Simple squamous epithelium is a single layer of flat cells and is found in areas where rapid diffusion or filtration occurs. The inner surface of the cornea is one such location where simple squamous epithelium is present.<br /><br />9. The function that is not a function of the plasma membrane is:<br />C. Allowing all molecules to pass<br /><br />Explanation: The plasma membrane is selectively permeable, meaning it allows only certain molecules to pass through. It does not allow all molecules to pass freely.<br /><br />10. Macrophages in the liver are called:<br />E. Kupffer cells<br /><br />Explanation: Kupffer cells are specialized macrophages located in the liver that play a role in breaking down and removing old or damaged red blood cells.<br /><br />11. __ are responsible for local inflammatory responses, innate immunity, and tissue repair.<br />B. Mast cells<br /><br />Explanation: Mast cells are involved in local inflammatory responses, innate immunity, and tissue repair. They release histamine and other mediators that contribute to inflammation and allergic reactions.<br /><br />12. Tendon is an example of:<br />A. Dense regular connective tissue<br /><br />Explanation: Tendons are composed of dense regular connective tissue, which is characterized by tightly packed collagen fibers that run parallel to each other. This arrangement provides strength and resistance to pulling forces.