31. What results in severe, acute, or incurable liver disease?
[A] Blood clotting
[B] Production of blood proteins
[C] Elimination of water, drugs, and toxins from the body
[D] All of the above
Show Answer
Correct Answer: D [ All of the above]
Notes:
Blood clotting, Production of blood proteins, and Elimination of water, drugs, and toxins from the body are results in severe, acute, or incurable liver disease.
32. Which of the following statements is true about the human liver?
[A] Liver is triangular in shape
[B] Liver is the only visceral organ that can regenerate
[C] Liver is the largest and the internal organ of the human body
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The liver is triangular in shape, the only visceral organ that can regenerate and the largest and internal organ of the human body.
33. Which female organ serves as the birth canal to allow the delivery of the fetus during labor?
[A] Ovaries
[B] Uterus
[C] Fallopian Tubes
[D] Vagina
Show Answer
Correct Answer: D [Vagina]
Notes:
The vagina is a female reproductive organ that serves as the birth canal to allow the delivery of the fetus during labor.
34. Which of the following are bacterial diseases in Humans?
[A] Pulmonary Tuberculosis
[B] Cholera
[C] Leprosy
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Pulmonary Tuberculosis, Cholera, and Leprosy are bacterial diseases in Humans.
35. Heart disease and High blood pressure are examples of which genetic disorder?
[A] Chromosomal Disorder
[B] Mitochondrial Inheritance
[C] Multifactorial Genetic Inheritance
[D] None of these
Show Answer
Correct Answer: C [Multifactorial Genetic Inheritance]
Notes:
Heart disease and High blood pressure are examples of Multifactorial Genetic Inheritance. It is also known as polygenic inheritance.
36. What is the function of a polymerase chain reaction?
[A] catalyze the joining (ligation) of two large molecules
[B] amplify pieces of DNA
[C] Both 1 and 2
[D] Neither 1 nor 2
Show Answer
Correct Answer: B [amplify pieces of DNA]
Notes:
A polymerase chain reaction is a chemical reaction used by molecular biologists to amplify fragments of DNA.
37. Animals adapted to life in air are called ____:
[A] Fossorial
[B] Arboreal
[C] Cursorial
[D] Volant
Show Answer
Correct Answer: D [Volant]
Notes:
Animals adapted to life in air are called volant. Arboreal means living in or connected with trees. These animals such as monkeys, squirrel can live both on land and in trees. However, for protection purposes, they prefer to live in trees than on land.
38. Hereditary characteristics are passed on from parent to the offspring chiefly through ____:
[A] Genes
[B] Enzymes
[C] Gametes
[D] Centrosome
Show Answer
Correct Answer: A [Genes]
Notes:
Hereditary characteristics are passed on from parent to the offspring chiefly through genes. Genes are the working subunits of Deoxyribonucleic acid (DNA), the chemical information database that carries the complete set of instructions for the cell as to the nature of the proteins produced by it, its life span, maturity, function and death. The transmission of genes to an organism’s offspring is the basis of the inheritance of phenotypic traits.
39. Which one of the following is a vestigial organ?
[A] Collarbone
[B] Eyebrow
[C] Wisdom teeth
[D] Nails
Show Answer
Correct Answer: C [Wisdom teeth]
Notes:
Wisdom teeth are vestigial third molars that human ancestors used to help in grinding down plant tissue. Their presence indicate the origin of human from one time ruminants.
40. Haptens are ____:
[A] Antibodies
[B] Pseudoantigens
[C] Isoantigens
[D] Incomplete antigens
Show Answer
Correct Answer: D [Incomplete antigens]
Notes:
Haptens are small molecules that react with a specific antibody but cannot induce the formation of antibodies unless bound to a carrier protein or other large antigenic molecule. They are incomplete or partial antigens.
