31. Which of the following forms the boundary between the middle and inner ear?
[A] incus
[B] oval window
[C] pinnae
[D] tympanic membrane
Show Answer
Correct Answer: B [oval window]
Notes:
Oval window, also known as Fenestra ovalis. It is a connective tissue membrane located at the end of the middle ear and the beginning of the inner ear.
32. Name the longest and heaviest bone of the body?
[A] Femur
[B] Fibula
[C] Tibia
[D] Ilium
Show Answer
Correct Answer: A [Femur]
Notes:
The thigh bone or femur is the longest and strongest bone in your body.
33. Which of the following bones listed is an example of a short bone?
[A] Femur
[B] Cranium
[C] Carpals
[D] Radius
Show Answer
Correct Answer: C [Carpals]
Notes:
Carpal bones are the bones of the wrist. It connects the distal aspects of the radial and ulnar bones of the forearm to the bases of the five metacarpal bones of the hand.
34. One of two large chambers on the lower side of the heart that collect and expel blood towards the peripheral beds within the body and lungs:
[A] Capillaries
[B] Atria
[C] Ventricles
[D] Valves
Show Answer
Correct Answer: C [Ventricles]
Notes:
A ventricle is one of two large chambers on the underside of the heart that collect and eject blood toward the peripheral beds within the body and lungs.
35. The bladder is lined with __ epithelium.
[A] Simple columnar
[B] Transitional
[C] Stratified squamous
[D] Simple cuboidal
Show Answer
Correct Answer: B [Transitional]
Notes:
Unlike the mucosa of other hollow organs, the bladder is lined with transitional epithelium. It is able to stretch significantly to accommodate a large volume of urine. And it also provides protection to the underlying tissues from acidic or alkaline urine.
36. Blood enters the kidneys through __
[A] renal veins
[B] renal arteries
[C] ureters
[D] Both 1 and 2
Show Answer
Correct Answer: B [renal arteries]
Notes:
Blood enters the kidneys through renal arteries and leaves through renal veins. Whereas ureters carry waste products from the kidneys to the urinary bladder for storage or for release.
37. The population of the vagina with semen during coitus is called __.
[A] Insemination
[B] Outsemination
[C] Copulation
[D] Fertilization
Show Answer
Correct Answer: A [Insemination]
Notes:
Sperm along with other contents of semen populate the vagina. This process is called conception or Insemination.
38. Dirofilariasis is another name for an infection of which parasite?
[A] Heartworm
[B] Roundworm
[C] Hookworm
[D] Tapeworm
Show Answer
Correct Answer: A [Heartworm]
Notes:
Dirofilariasis is a disease caused by Dirofilaria worm infection. Dirofilaria immitis are also known as heartworm or dog heartworm.
39. Which of the following is known as the “Father of Genetics”?
[A] Morgan
[B] Mendel
[C] Watson
[D] Bateson
Show Answer
Correct Answer: B [Mendel]
Notes:
Mendel is known as the “Father of Genetics”.
40. Clostridium beijerinckii is which type of Biofertilizers?
[A] Symbiotic Nitrogen-Fixing Bacteria
[B] Loose Association of Nitrogen-Fixing Bacteria
[C] Symbiotic Nitrogen-Fixing Cyanobacteria
[D] Free-Living Nitrogen-Fixing Bacteria
Show Answer
Correct Answer: D [Free-Living Nitrogen-Fixing Bacteria]
Notes:
Clostridium beijerinckii is Free-Living Nitrogen-Fixing Bacteria of Biofertilizers. Clostridium beijerinckii are free-living soil bacteria that perform nitrogen fixation.
