The Mammalian body — 2025 Past Questions

University of Ilorin ZOO101: 60 questions.

Topics: Introduction to Mammalian Physiology and Anatomy, The Skin, Skeletal System, Integumentary System, Respiratory System, Adaptation to the Environment

1. Which of the following is not true about the smooth muscle?
   1. Their cells are spindle-shaped
   2. They are responsible for the churning of the stomach
   3. They are controlled by the autonomic nervous system
   4. Found in the lining of the stomach, digestive tract, heart, and blood vessels
2. Which of the following respiratory tracts is made up of epiglottis, thyroid, and cricoid cartilage?
   1. Bronchi
   2. Larynx
   3. Trachea
   4. Pharynx
3. Which of the vertebrae is responsible for rotating the head?
   1. Atlas
   2. Axis
   3. Thoracic
   4. Cervical
4. The 8th and 9th ribs are also known as:
   1. Floating ribs
   2. True ribs
   3. False ribs
   4. Costal ribs
5. A large transverse process, broad and flat neural spine projecting upward and backward; thick centrum is characteristic of which vertebrae?
   1. Lumbar
   2. Cervical
   3. Thoracic
   4. Sacral
6. Which is found in thick skin?
   1. Stratum spinosum
   2. Stratum lucidum
   3. Stratum basale
   4. Stratum granulosum
7. Which of the following is responsible for skin color?
   1. Carotene
   2. Langerhans cells
   3. Melanin
   4. Hemoglobin
8. Which is not a specialty in anatomy?
   1. Microscopic anatomy
   2. Gross anatomy
   3. Developmental anatomy
   4. Pathological anatomy
9. ___ and ___ is the study of structure with and without a microscope.
   1. Gross anatomy and microscopic anatomy
   2. Histology and cytology
   3. Physiology and histology
   4. Anatomy and physiology
10. The integumentary system consists of the following except:
    1. Hair
    2. Blood vessels
    3. Nails
    4. Skin
11. What does 'epi' mean?
    1. Upon or above
    2. Within
    3. Inside
    4. Below
12. The study of structure is termed what?
    1. Anatomy
    2. Physiology
    3. Anatome
    4. Tissue
13. What is homeostasis?
    1. Maintaining a stable internal environment
    2. The process of growth
    3. The ability to reproduce
    4. The regulation of blood pressure
14. The cartilages of the larynx are made of:
    1. Hyaline cartilage
    2. Elastic cartilage
    3. Fibrocartilage
    4. Adipose tissue
15. What is a characteristic of the thoracic vertebrae?
    1. Presence of facets for rib articulation
    2. Large vertebral body
    3. Absence of spinous processes
    4. Rounded vertebral foramen
16. Where does hair originate from?
    1. Epidermis
    2. Dermis
    3. Hypodermis
    4. Hair follicles
17. The axial skeleton consists of:
    1. Skull, spine, ribs, and sternum
    2. Limbs and girdles
    3. Pelvis and sacrum
    4. Hands and feet
18. The strongest and longest bone in the body is the:
    1. Femur
    2. Tibia
    3. Humerus
    4. Radius
19. The bone that doesn't articulate with any bone in the body is the:
    1. Hyoid
    2. Clavicle
    3. Scapula
    4. Pelvis
20. Which of the following is not part of the integumentary system?
    1. Sweat glands
    2. Skin
    3. Nails
    4. Blood vessels
21. Which of the following bones is not found in the upper arm?
    1. Tarsals
    2. Humerus
    3. Ulna
    4. Radius
22. Which pigment determines skin color?
    1. Carotene
    2. Langerhans cells
    3. Melanin
    4. Hemoglobin
23. The mammary gland is a modified:
    1. Sebaceous gland
    2. Sweat gland
    3. Meibomian gland
    4. Ceruminous gland
24. The only mammals that retain their dermal scales are the:
    1. Armadillo
    2. Pangolin
    3. Echidna
    4. Anteater
25. The papillary layer is composed of which tissue?
    1. Adipose tissue
    2. Loose connective tissue
    3. Dense connective tissue
    4. Cartilage
26. A type of immune cell in the skin is:
    1. Merkel cells
    2. Langerhans cells
    3. Keratinocytes
    4. Melanocytes
27. A layer of the epidermis composed of active mitosis is:
    1. Stratum Basale
    2. Stratum Lucidum
    3. Stratum Corneum
    4. Stratum Granulosum
28. The epidermis is classified as:
    1. Stratified squamous keratinized
    2. Stratified squamous non-keratinized
    3. Simple squamous keratinized
    4. Simple cuboidal
29. Which of the following is characterized by thick lines?
    1. M-line
    2. A band
    3. I band
    4. H zone
30. Which is not part of the division of anatomy?
    1. Gross anatomy
    2. Microscopic anatomy
    3. Developmental anatomy
    4. Embryology
31. Which is not a function of homeostasis?
    1. Heart rate
    2. Breathing
    3. Chewing
    4. Blood pressure regulation
32. Which of these vertebrae helps in the attachment of shoulder and back muscles?
    1. Cervical
    2. Thoracic
    3. Lumbar
    4. Sacral
33. Which bears the weight of the body?
    1. Lumbar
    2. Thoracic
    3. Cervical
    4. Caudal
34. The mammary gland is modified:
    1. Meibomian gland
    2. Sebaceous glands
    3. Sweat glands
    4. Scent glands
35. Ear wax is produced by:
    1. Ceruminous gland
    2. Sebaceous gland
    3. Meibomian gland
    4. Sweat gland
36. The nail is formed from:
    1. Stratum basale
    2. Stratum germinativum
    3. Stratum lucidum
    4. Stratum corneum
37. The tissue found in the skin surface and other internal organs is:
    1. Connective
    2. Nervous
    3. Epithelial
    4. Muscle
38. Where are dermal papillae found?
    1. Epidermis
    2. Hypodermis
    3. Dermis
    4. Subcutaneous layer
39. Where are dermal papillae found?
    1. Epidermis
    2. Hypodermis
    3. Dermis
    4. Subcutaneous layer
40. Which is for the detection of deep pressure?
    1. Meissner's corpuscle
    2. Merkel's cell
    3. Pacinian corpuscle
    4. Ruffini endings
41. A large network of blood vessels located in the dermis is:
    1. Papillary plexus
    2. Connective capillaries
    3. Cutaneous plexus
    4. Dermal plexus
42. A layer of the epidermis composed of active mitosis is:
    1. Stratum basale
    2. Stratum lucidum
    3. Stratum corneum
    4. Stratum granulosum
43. What carries high-energy electrons to later stages in tissue respiration?
    1. FADH2
    2. ATP
    3. NAD+
    4. NADH
44. The function of the concha is:
    1. To increase surface pressure
    2. To increase surface area
    3. To filter air
    4. To produce mucus
45. _______ is a large hole in the pelvic girdle that allows for the passage of blood vessels and nerves:
    1. Obturator foramen
    2. Pelvic foramen
    3. Iliac foramen
    4. Sacral foramen
46. _______ and _______ are triangular bones:
    1. Sacrum and patella
    2. Clavicle and scapula
    3. Sternum and clavicle
    4. Scapula and sacrum
47. _______ is the study of structures that make up the body and how those structures relate to each other:
    1. Anatomy
    2. Physiology
    3. Histology
    4. Embryology
48. The word anatomy is derived from a Greek word:
    1. Anatom
    2. Anatome
    3. Anatomy
    4. Anatomia
49. The study of how the body and its parts work or function is:
    1. Physiology
    2. Anatomy
    3. Pathology
    4. Histology
50. Which studies the functional relationships of organs within a system?
    1. Regional anatomy
    2. Systematic anatomy
    3. Microscopic anatomy
    4. Developmental anatomy
51. Larynx is made of all these except:
    1. Cartilage
    2. Thyroid
    3. Cricoids
    4. Epiglottis
52. Langerhans cells are found in:
    1. Stratum Corneum
    2. Stratum Spinosum
    3. Stratum Granulosum
    4. Stratum Lucidum
53. Which is not a level of organization?
    1. Cell
    2. Molecule
    3. Organ
    4. Bone
54. In glycolysis, __ removes electrons:
    1. NAD+
    2. Oxygen molecule
    3. ATP
    4. Glucose
55. The deeper blood supply of the skin is:
    1. Cutaneous plexus
    2. Papillary plexus
    3. Epidermal plexus
    4. Dermal plexus
56. ___ prevents dehydration of the skin:
    1. Sebum
    2. Keratinized layer
    3. Melanin
    4. Sweat
57. Which is used to study gross anatomy?
    1. Systemic anatomy
    2. Histology
    3. Developmental anatomy
    4. Microscopic anatomy
58. Number of axial and appendicular bones respectively:
    1. 80 and 126
    2. 70 and 160
    3. 80 and 120
    4. 90 and 120
59. Function of type 2 alveolar cells:
    1. Secretes surfactant
    2. Phagocytosis
    3. Gas exchange
    4. Secretes mucus
60. Function of conchae:
    1. Filters air
    2. Warms air
    3. Humidifies air
    4. All of the above

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