Exam (elaborations)
Questions and Answers Anatomy and Tissue
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Some short questions and answers to help your understanding for the module Anatomy and Tissue
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BIOL 121 EXAMPLE TEST FOR MOODLEPAGE
1. Give four functions of the integumentary system. (4 marks)
Any four from: protection, temperature regulation, waste elimination, production of active vitamin
D, detection of sensation (hot, cold, touch, pain).
2. This type of cell junction joins together the lateral surfaces of epithelial cells, and contains
cadherin (a transmembrane glycoprotein) and has intracellular plaques attached to keratin.
(1 mark)
Desmosome
3. This type of cell junction enables the passage of ions and small molecules from one cell to
the next. (1 mark)
Gap junction
4. This type of epithelium permits filtration or exchange via diffusion. (2 marks)
Simple squamous. (one mark for each word)
5. This kind of cartilage is the most widely distributed. It forms the articular cartilage at the end
of long bones. ............................. (1 mark)
Hyaline
6. What occurs in the thick ascending limb of the loop of Henle within the nephron? (2 marks)
Active transport (1)of sodium chloride/salt/sodium ions (1)
7. In the renin – angiotensin-aldosterone system, a decrease in blood pressure or blood volume
results in reabsorption of salt and water in the ........................ ...............................................
and the ......................................................................... (2 marks)
PCT (proximal convoluted tubule) (1 mark)
DCT (distal convoluted tubule) (1 mark)
8. What happens to the tubular fluid within the descending limb of the loop of Henle within the
nephron? (1
mark) ...........................................................................................................................................
.....................................................................................................................................................
.................
1
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