31. Which of the following statements about epithelial tissue is correct?
[A] lack of nerve supply
[B] lack of blood supply
[C] lack of free surface
[D] lack of intercellular matrix
Show Answer
Correct Answer: B [lack of blood supply]
Notes:
Epithelial tissue is formed by cells that cover the outer parts of the body’s organs. They line the surfaces of organs such as the surface of the skin, the reproductive tract, the airways, and the inner lining of the digestive tract. Epithelial tissue has a nerve supply, but no blood supply.
32. Pons, cerebellum, and medulla are part of which of the following brain?
[A] Forebrain
[B] Midbrain
[C] Hindbrain
[D] None of the above
Show Answer
Correct Answer: C [Hindbrain]
Notes:
There are three main parts of the hindbrain – pons, cerebellum, and medulla oblongata. The hindbrain is also called rhombencephalons.
33. Whose function is it to carry deoxygenated blood away from the heart to the lungs and then return the deoxygenated blood back to the heart?
[A] Coronary circulation
[B] Systemic circulation
[C] Pulmonary circulation
[D] None of these
Show Answer
Correct Answer: C [Pulmonary circulation]
Notes:
Pulmonary circulation is a part of the circulation that is responsible for carrying deoxygenated blood from the heart to the lungs and then returning the deoxygenated blood back to the heart.
34. Serum differs from blood because it lacks__
[A] antibodies
[B] clotting factors
[C] albumins
[D] globulins
Show Answer
Correct Answer: B [clotting factors]
Notes:
Serum differs from blood because it lacks clotting factors. The serum is the liquid and solute component of the blood that does not play any role in clotting. This is blood plasma without fibrinogen.
35. Amino acids are used to make new proteins, this is an example of which of the following?
[A] Egestion
[B] Absorption
[C] Assimilation
[D] None of the above
Show Answer
Correct Answer: C [Assimilation]
Notes:
Assimilation is the movement of digested food molecules into the cells of the body. For example, Amino acids are used to make new proteins.
36. The lesser omentum connects the stomach to which structure?
[A] Diaphragm
[B] Transverse colon
[C] Oesophagus
[D] Liver
Show Answer
Correct Answer: D [Liver]
Notes:
The lesser omentum connects the stomach to the Liver. While the large omentum connects the abdomen to the transverse colon.
37. Which gland is located on both sides of the Trachea?
[A] Thymus
[B] Thyroid
[C] Adrenal
[D] Pineal
Show Answer
Correct Answer: B [Thyroid]
Notes:
The thyroid gland has two lobes, one on each side of the trachea, just below the larynx or voice box. The two lobes are connected by a narrow band of tissue called the isthmus. Internally, the gland contains follicles, which are responsible for producing the hormones thyroxine and triiodothyronine.
38. The ‘DPT vaccine’ is given to young babies to protect them from ____:
[A] Diphtheria, Polio and Tetanus
[B] Diphtheria, Pneumonia and Tuberculosis
[C] Diphtheria, Smallpox and Tetanus
[D] Diphtheria, Whooping cough and Tetanus
Show Answer
Correct Answer: D [Diphtheria, Whooping cough and Tetanus]
Notes:
DPT refers to a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis (whooping cough) and tetanus. The vaccine components include diphtheria and tetanus toxoids, and killed whole cells of the organism that causes pertussis.
39. Bone osification test is conducted to as certain human ____:
[A] Tentative age
[B] Drug addiction
[C] Tentative height
[D] Brain efficiency
Show Answer
Correct Answer: A [Tentative age]
Notes:
Ossification is the process of laying down new bone material by cells called osteoblasts. It is synonymous with bone tissue formation. As per scientific evidence, by the age of 25 years nearly all bones are completely ossified in humans. Ossification test is a guess work based on the fusion of joints in the human body b/w birth and age 25. If all joints are fused the person must be of 25yrs of age or older.
40. Scurvy is caused by deficiency of which vitamin?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D
Show Answer
Correct Answer: C [Vitamin C]
Notes:
Vitamin C or ascorbic acid is an essential dietary nutrient. Scurvy is caused by the deficiency of Vitamin C. Citrus Fruits are the best source of Vitamin C. After several months of deficiency, a range of symptoms and signs can occur, including anemia, myalgia, bone pain, easy bruising, swelling, petechiae, gum disease, poor wound healing, and depression. Late stages of scurvy are life threatening.
