Ch 6 - Anatomy & Physiology (Milady)

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Ch 6 - Anatomy & Physiology (Milady) - Quiz

75 Questions


Questions and Answers
  • 1. 

    The ________ nerve affects the muscles of the chin, lower lip & external ear ?

    • A.

      Posterior Auricular

    • B.

      Mandibular

    • C.

      Maxillary

    • D.

      Ophtalmic

    Correct Answer
    B. Mandibular
    Explanation
    The mandibular nerve affects the muscles of the chin, lower lip, and external ear. This nerve is a branch of the trigeminal nerve, which is responsible for sensory and motor functions in the face. The mandibular nerve innervates the muscles involved in chewing and biting, as well as providing sensation to the lower jaw and parts of the ear.

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  • 2. 

    The navicular is one of the ?

    • A.

      Accessory bones

    • B.

      Metatarsal bones

    • C.

      Toe phalanges

    • D.

      Tarsal bones

    Correct Answer
    D. Tarsal bones
    Explanation
    The navicular is one of the tarsal bones. The tarsal bones are a group of seven bones located in the foot, between the tibia and fibula of the lower leg and the metatarsal bones of the forefoot. They play a crucial role in supporting the weight of the body and facilitating movement. The navicular bone is specifically located on the medial side of the foot, forming an important part of the arch structure.

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  • 3. 

    Which body system covers, shapes & holds the skeletal system in place ?

    • A.

      Integumentary system

    • B.

      Muscular system

    • C.

      Circulatory system

    • D.

      Nervous system

    Correct Answer
    B. Muscular system
    Explanation
    The muscular system covers, shapes, and holds the skeletal system in place. Muscles attach to the bones and provide support and stability to the skeletal system. They also help in movement and maintaining posture. Therefore, the muscular system is responsible for covering, shaping, and holding the skeletal system in place.

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  • 4. 

    All of the following conditions may be affected by reproductive hormones EXCEPT ?

    • A.

      Changes in hair texture

    • B.

      Acne

    • C.

      Darker skin pigmentations

    • D.

      Loss of scalp hair 

    Correct Answer
    A. Changes in hair texture
    Explanation
    Reproductive hormones can affect various aspects of the body, including the skin and hair. Acne can be influenced by hormonal changes, as increased levels of androgens can stimulate the production of sebum, leading to clogged pores and acne formation. Darker skin pigmentations can also be influenced by hormonal changes, as melanin production can be affected. Similarly, the loss of scalp hair can be caused by hormonal imbalances, such as increased levels of dihydrotestosterone (DHT) in conditions like androgenetic alopecia. However, changes in hair texture are not typically associated with reproductive hormones.

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  • 5. 

    What color is the blood found in veins ?

    • A.

      Dark red

    • B.

      Bright red

    • C.

      Blue

    • D.

      Black

    Correct Answer
    A. Dark red
    Explanation
    The blood found in veins is dark red because it has already delivered oxygen to the body's tissues and organs and is now carrying carbon dioxide back to the heart and lungs to be exhaled. This deoxygenated blood appears darker in color compared to oxygenated blood, which is bright red.

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  • 6. 

    The cell does NOT need an adequate supply of _______ for mitosis to occur ?

    • A.

      Waste products

    • B.

      Oxygen

    • C.

      Water

    • D.

      Food

    Correct Answer
    A. Waste products
    Explanation
    Mitosis is the process of cell division, during which a single cell divides into two identical daughter cells. This process does not require an adequate supply of waste products for it to occur. Waste products are byproducts of cellular metabolism that need to be eliminated from the cell. However, for mitosis to occur, the cell primarily requires a sufficient supply of nutrients such as oxygen, water, and food, which are essential for the cell's growth and division. Therefore, waste products are not necessary for mitosis to take place.

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  • 7. 

    Which of the following is NOT one of the three bones that composes the ankle joint ?

    • A.

      Tibia

    • B.

      Talus

    • C.

      Fibula

    • D.

      Femur

    Correct Answer
    D. Femur
    Explanation
    The femur is not one of the three bones that compose the ankle joint. The ankle joint is formed by the tibia, fibula, and talus bones. The tibia is the larger of the two lower leg bones and forms the inner part of the ankle joint. The fibula is the smaller bone and forms the outer part of the ankle joint. The talus bone is located between the tibia and fibula and connects the foot to the leg. The femur, on the other hand, is the thigh bone and is not directly involved in the ankle joint.

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  • 8. 

    What is the ring muscle of the eye socket that controls the ability to close one's eyes ?

    • A.

      Corrugator

    • B.

      Orbicularis Oculi

    • C.

      Occipitalis

    • D.

      Buccinator

    Correct Answer
    B. Orbicularis Oculi
    Explanation
    The orbicularis oculi is the ring muscle of the eye socket that controls the ability to close one's eyes. It is responsible for blinking and also helps in protecting the eyes from external irritants. This muscle surrounds the eyelids and is essential for normal eye function and expression. The other options listed, corrugator, occipitalis, and buccinator, are not directly involved in the closing of the eyes.

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  • 9. 

    The _____ nerve is the sensory-motor nerve that, with its branches, supplies the thumb side of the arm & back of the hand ?

    • A.

      Median

    • B.

      Digital

    • C.

      Radial

    • D.

      Ulnar

    Correct Answer
    C. Radial
    Explanation
    The radial nerve is the correct answer because it is the sensory-motor nerve that supplies the thumb side of the arm and the back of the hand. The radial nerve originates from the brachial plexus and travels down the arm, providing sensation and motor function to the muscles and skin on the thumb side of the forearm and hand. It is responsible for movements such as extending the wrist and fingers, and it also provides sensation to the back of the hand and thumb side of the forearm.

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  • 10. 

    The portion of the central nervous system that originates in the brain & extends down the lower trunk is the ?

    • A.

      Blood vessels

    • B.

      Spinal cord

    • C.

      Cranial Nerve

    • D.

      Tibial Nerve 

    Correct Answer
    B. Spinal cord
    Explanation
    The spinal cord is the portion of the central nervous system that originates in the brain and extends down the lower trunk. It is responsible for transmitting sensory and motor signals between the brain and the rest of the body. The spinal cord is protected by the spinal column and plays a crucial role in coordinating reflexes and voluntary movements.

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  • 11. 

    The _____ muscles of the chest assist in the swinging movement of the arms ?

    • A.

      Pectoralis

    • B.

      Tricep

    • C.

      Trapezius

    • D.

      Corrugator

    Correct Answer
    A. Pectoralis
    Explanation
    The pectoralis muscles, also known as the pecs, are located in the chest area and play a crucial role in the swinging movement of the arms. These muscles are responsible for adducting and flexing the arms, which is essential for movements like throwing, pushing, and pulling. By contracting and relaxing, the pectoralis muscles provide the necessary force and stability to perform swinging movements effectively.

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  • 12. 

    The largest bone of the arm, extending from the elbow to the shoulder, is the ?

    • A.

      Radius

    • B.

      Humerus

    • C.

      Clavicle

    • D.

      Ulna

    Correct Answer
    B. Humerus
    Explanation
    The humerus is the largest bone of the arm, extending from the elbow to the shoulder. It is a long bone that connects the shoulder girdle to the forearm. The radius and ulna are bones of the forearm, while the clavicle is a bone of the shoulder girdle. Therefore, the humerus is the correct answer as it matches the description given in the question.

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  • 13. 

    Which artery supplies blood to the brain, eyes, eyelids, forehead, nose & internal ear ?

    • A.

      Submental artery

    • B.

      Inferior labial artery

    • C.

      Angular artery

    • D.

      Internal carotid artery

    Correct Answer
    D. Internal carotid artery
    Explanation
    The internal carotid artery is the correct answer because it is responsible for supplying blood to the brain, eyes, eyelids, forehead, nose, and internal ear. This artery is one of the major blood vessels that provide oxygenated blood to the head and neck region. It branches off from the common carotid artery and plays a crucial role in maintaining blood flow to the important structures in the head.

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  • 14. 

    What is the colorless, jelly-like substance found inside cells ?

    • A.

      Cell membrane

    • B.

      Protoplasm

    • C.

      Water

    • D.

      Carbohydrates

    Correct Answer
    B. Protoplasm
    Explanation
    Protoplasm is the correct answer because it refers to the colorless, jelly-like substance found inside cells. It is a combination of cytoplasm and nucleoplasm, which are the two main components of the cell. Protoplasm contains various organelles and is responsible for carrying out essential cellular functions such as metabolism, growth, and reproduction.

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  • 15. 

    With the exception of the teeth, the hardest tissue in the body is ?

    • A.

      Muscle

    • B.

      Marrow

    • C.

      Bone

    • D.

      The brain

    Correct Answer
    C. Bone
    Explanation
    Bone is the correct answer because it is composed of a dense matrix of minerals, primarily calcium and phosphate, which gives it its hardness. This mineralized structure allows bones to provide support, protect organs, and facilitate movement. While teeth are also hard, they are not considered a tissue but rather a specialized structure made of enamel, dentin, and cementum. Marrow is a soft tissue found inside bones, and the brain is a soft organ protected by the skull.

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  • 16. 

    There are approxiamately how many pints of blood in the human body ?

    • A.

      12 to 15

    • B.

      8 to 10 

    • C.

      20 or more

    • D.

      4 to 5

    Correct Answer
    B. 8 to 10 
    Explanation
    The approximate amount of pints of blood in the human body is 8 to 10.

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  • 17. 

    Muscles that straighten the wrist, hand & fingers to form a straight line are the ?

    • A.

      Extensors

    • B.

      Adductors

    • C.

      Biceps

    • D.

      Flexors

    Correct Answer
    A. Extensors
    Explanation
    The muscles that straighten the wrist, hand, and fingers to form a straight line are called extensors. These muscles are responsible for extending or straightening the joints in the wrist, hand, and fingers, allowing them to move in the opposite direction of flexion.

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  • 18. 

    The system that forms the physical foundation of the body is the ?

    • A.

      Muscular System

    • B.

      Nervous System

    • C.

      Skeletal System

    • D.

      Endocrine System

    Correct Answer
    C. Skeletal System
    Explanation
    The skeletal system is the correct answer because it is the system that forms the physical foundation of the body. It includes bones, cartilage, ligaments, and tendons, which provide support, protection, and structure to the body. The skeletal system also plays a crucial role in movement, as it serves as attachment points for muscles and allows for mobility. Additionally, the skeletal system is involved in the production of blood cells and the storage of minerals such as calcium.

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  • 19. 

    The sensory nerve endings located close to the surface of the skin are called the ?

    • A.

      Receivers

    • B.

      Receptors

    • C.

      Trigeminal nerves

    • D.

      Efferent nerves

    Correct Answer
    B. Receptors
    Explanation
    The sensory nerve endings located close to the surface of the skin are referred to as receptors. These receptors are responsible for detecting and transmitting sensory information such as touch, temperature, and pain to the brain. They play a crucial role in our ability to perceive and respond to stimuli from the external environment.

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  • 20. 

    The study of human body structures that can be seen with the naked eye is called?

    • A.

      Anatomy

    • B.

      Physiology

    • C.

      Physics

    • D.

      Astrology

    Correct Answer
    A. Anatomy
    Explanation
    Anatomy is the study of human body structures that can be seen with the naked eye. It involves examining and understanding the various organs, tissues, and systems of the body, their structures, and how they function together. Physiology, on the other hand, focuses on the study of how these structures function and interact with each other. Physics is a branch of science that deals with the study of matter, energy, and the interactions between them. Astrology, on the other hand, is a belief system that claims to predict human behavior and events based on the positions and movements of celestial bodies.

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  • 21. 

    Which muscle of the mouth draws the corner of the mouth & back ?

    • A.

      Orbicularis Oris Muscle

    • B.

      Mentalis Muscle

    • C.

      Triangularis Muscle

    • D.

      Risorius Muscle

    Correct Answer
    D. Risorius Muscle
    Explanation
    The Risorius muscle is responsible for drawing the corner of the mouth and back. It is a facial muscle that runs horizontally along the side of the face. When it contracts, it pulls the corners of the mouth laterally, creating a smile-like expression.

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  • 22. 

    The clear fluid that helps carry wastes & impurities away from the cells before it rereouted back to the circulatory system is called ?

    • A.

      Leukocyte

    • B.

      Cytoplasm

    • C.

      Lymph

    • D.

      Plasma

    Correct Answer
    C. Lymph
    Explanation
    Lymph is the clear fluid that helps carry wastes and impurities away from the cells before it is rerouted back to the circulatory system. It is a part of the lymphatic system and plays a crucial role in the immune response by transporting white blood cells, proteins, and other substances throughout the body.

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  • 23. 

    The small, thin bones located at the front inner wall of the orbits are the ?

    • A.

      Nasal bones

    • B.

      Lacrimal bones

    • C.

      Hyoid bones

    • D.

      Malar bones

    Correct Answer
    B. Lacrimal bones
    Explanation
    The lacrimal bones are small, thin bones located at the front inner wall of the orbits. They are responsible for forming a part of the eye socket and housing the tear ducts. These bones are important for the drainage of tears from the eyes and play a role in maintaining eye health and lubrication.

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  • 24. 

    The light, spongy bone between the eye socket is called the ?

    • A.

      Ethmoid bone

    • B.

      Temporal bone

    • C.

      Occipital bone

    • D.

      Sphenoid bone

    Correct Answer
    A. Ethmoid bone
    Explanation
    The ethmoid bone is a light, spongy bone located between the eye sockets. It forms part of the nasal cavity, the orbits, and the skull base. Its delicate structure contains several air-filled spaces called ethmoid sinuses, which help to lighten the skull and resonate sound. The ethmoid bone also plays a role in separating the nasal cavity from the brain, protecting the olfactory nerves responsible for smell, and providing attachment sites for various muscles and ligaments.

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  • 25. 

    Specialized organs that remove elements from the blood & convert them into new compounds are ?

    • A.

      Pronators

    • B.

      Lymph nodes

    • C.

      Hormones

    • D.

      Glands

    Correct Answer
    D. Glands
    Explanation
    Glands are specialized organs that remove elements from the blood and convert them into new compounds. They play a crucial role in maintaining homeostasis by producing hormones, enzymes, and other substances that regulate various bodily functions. Glands can be classified into different types based on their structure and function, such as endocrine glands and exocrine glands. Endocrine glands release hormones directly into the bloodstream, while exocrine glands secrete their products through ducts. These compounds produced by glands are essential for the proper functioning of the body and help in various physiological processes.

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  • 26. 

    Which muscle separates the toes?

    • A.

      Abductor hallucis

    • B.

      Soleus

    • C.

      Abductor digiti minimi

    • D.

      Flexor digiti minimi

    Correct Answer
    C. Abductor digiti minimi
    Explanation
    The muscle that separates the toes is the abductor digiti minimi. This muscle is located on the lateral side of the foot and is responsible for moving the little toe away from the other toes. It helps in maintaining balance and stability while walking or standing. The abductor digiti minimi plays a crucial role in foot movement and proper alignment of the toes.

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  • 27. 

    How many bones make up the foot ?

    • A.

      11

    • B.

      32

    • C.

      40

    • D.

      26

    Correct Answer
    D. 26
    Explanation
    The foot is made up of 26 bones. These bones include the tarsal bones (7), metatarsal bones (5), and phalanges (14). The tarsal bones are located in the ankle and back of the foot, the metatarsal bones are in the middle of the foot, and the phalanges are in the toes. Together, these bones provide support, stability, and flexibility to the foot, allowing for walking, running, and other movements.

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  • 28. 

    Which of these is NOT an endocrine gland ?

    • A.

      Pineal gland

    • B.

      Pinuitary gland

    • C.

      Thyroid gland

    • D.

      Oil glands of the skin

    Correct Answer
    D. Oil glands of the skin
    Explanation
    Oil glands of the skin are not considered endocrine glands because they do not secrete hormones directly into the bloodstream. Endocrine glands, such as the pineal gland, pituitary gland, and thyroid gland, release hormones into the bloodstream to regulate various bodily functions. However, oil glands of the skin, also known as sebaceous glands, secrete sebum, which is an oily substance that helps lubricate and protect the skin. While sebum plays a role in maintaining healthy skin, it does not function as a hormone and therefore does not qualify as an endocrine gland.

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  • 29. 

    A collection of similar cells that perform a particular function is called ?

    • A.

      An organism

    • B.

      A body system

    • C.

      Tissue

    • D.

      An organ

    Correct Answer
    C. Tissue
    Explanation
    A collection of similar cells that perform a particular function is called tissue. Tissues are groups of cells that work together to perform a specific function in the body. They can be found in various parts of the body and are responsible for carrying out specific tasks, such as muscle contraction, nerve transmission, or nutrient absorption. Tissues can be classified into four main types: epithelial, connective, muscle, and nervous. Each type of tissue has its own unique structure and function, contributing to the overall functioning of the organism.

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  • 30. 

    An automatic nerve reaction to a stimulus that produces movement is a ?

    • A.

      Reflex

    • B.

      Receptor

    • C.

      Neuron

    • D.

      Venule

    Correct Answer
    A. Reflex
    Explanation
    A reflex is an automatic nerve reaction to a stimulus that produces movement. When a certain stimulus is detected by sensory receptors, the information is quickly processed by the nervous system and a motor response is generated without conscious thought. This allows for rapid and involuntary reactions to potentially harmful or dangerous situations.

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  • 31. 

    The dense, active protoplasm found in the center of the cell is the ?

    • A.

      Membrane

    • B.

      Nucleus

    • C.

      Mitosis

    • D.

      Cytoplasm

    Correct Answer
    B. Nucleus
    Explanation
    The correct answer is "Nucleus." The nucleus is a membrane-bound organelle found in eukaryotic cells. It contains the cell's genetic material, in the form of DNA, and is responsible for controlling the cell's activities. The dense, active protoplasm mentioned in the question is commonly found within the nucleus, where processes such as DNA replication and transcription take place. The other options, membrane, mitosis, and cytoplasm, do not accurately describe the dense, active protoplasm found in the center of the cell.

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  • 32. 

    The watery fluid that the nucleus needs for growth, reproduction & self-repair is ?

    • A.

      Adipose

    • B.

      Scapula

    • C.

      Mitosis

    • D.

      Cytoplasm

    Correct Answer
    D. Cytoplasm
    Explanation
    Cytoplasm is the correct answer because it is the watery fluid that surrounds the nucleus and is essential for the growth, reproduction, and self-repair of the nucleus. It contains various organelles and molecules that are necessary for cellular processes to occur. Adipose refers to fatty tissue, Scapula is a bone in the shoulder, and Mitosis is a type of cell division.

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  • 33. 

    The muscle that covers the bridge of the nose is the ?

    • A.

      Mentalis Muscle

    • B.

      Caninus Muscle

    • C.

      Procerus

    • D.

      Buccinator

    Correct Answer
    C. Procerus
    Explanation
    The Procerus muscle is a small muscle that covers the bridge of the nose. It is located between the eyebrows and helps to wrinkle the skin of the forehead and draw the eyebrows downward. This muscle is responsible for various facial expressions, such as frowning or expressing displeasure.

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  • 34. 

    The connection between two or more bones of the skeleton is a(n)?

    • A.

      Joint

    • B.

      Nerve

    • C.

      Organ

    • D.

      Muscle

    Correct Answer
    A. Joint
    Explanation
    The correct answer is "Joint". A joint is the point where two or more bones come together, allowing movement and providing stability to the skeleton. It is a crucial component of the skeletal system as it enables various types of movement, such as bending, twisting, and rotating. Joints can be classified into different types based on their structure and function, including hinge joints, ball-and-socket joints, and pivot joints.

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  • 35. 

    The skull is divided into two parts: The Cranium, which protects the brain & the ?

    • A.

      Joints

    • B.

      Facial skeleton

    • C.

      Malar bones

    • D.

      Frontal bone

    Correct Answer
    B. Facial skeleton
    Explanation
    The skull is divided into two parts: The Cranium, which protects the brain, and the Facial skeleton. The facial skeleton consists of the bones that make up the face, including the maxilla, mandible, nasal bones, and zygomatic bones. These bones provide support and structure to the face, as well as housing important sensory organs such as the eyes, nose, and mouth.

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  • 36. 

    The _______ nervous system carries impulses or messages to the central nervous system ?

    • A.

      Peripheral

    • B.

      Primary

    • C.

      Precipitate

    • D.

      Autonomic

    Correct Answer
    A. Peripheral
    Explanation
    The peripheral nervous system is responsible for carrying impulses or messages from the body's sensory organs, muscles, and glands to the central nervous system (brain and spinal cord). It consists of nerves that extend from the brain and spinal cord to the rest of the body, allowing for communication between the body and the central nervous system. Therefore, the correct answer is "Peripheral."

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  • 37. 

    What is the basic unit of all living things from bacteria to animals & plants ?

    • A.

      Water

    • B.

      Muscles

    • C.

      Cells

    • D.

      Atoms

    Correct Answer
    C. Cells
    Explanation
    Cells are the basic unit of all living things, from bacteria to animals and plants. They are the smallest structural and functional units of an organism, capable of carrying out all the necessary processes for life. Cells can vary in size, shape, and function, but they all share common characteristics such as a cell membrane, genetic material, and the ability to reproduce. Without cells, living organisms would not be able to perform essential functions like growth, metabolism, and reproduction.

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  • 38. 

    Which gland plays a major role in sexual development, sleep & metabolism ?

    • A.

      Thyroid Gland

    • B.

      Sweat Gland

    • C.

      Pineal Gland

    • D.

      Pituitary Gland

    Correct Answer
    C. Pineal Gland
    Explanation
    The pineal gland plays a major role in sexual development, sleep, and metabolism. It produces and secretes melatonin, a hormone that regulates the sleep-wake cycle and influences sexual development. Melatonin also has an impact on metabolism by regulating the release of other hormones that control appetite and energy expenditure.

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  • 39. 

    The extensor muscles involved with the bending of the wrist are the ?

    • A.

      Biceps

    • B.

      Abductors

    • C.

      Flexors

    • D.

      Deltoids

    Correct Answer
    C. Flexors
    Explanation
    The extensor muscles involved with the bending of the wrist are called flexors. These muscles are responsible for flexing or bending the wrist joint, allowing for movements such as wrist curls or bending the hand towards the forearm. The biceps are muscles located in the upper arm and are responsible for flexing the elbow joint, not the wrist. Abductors are muscles that move a body part away from the midline of the body, and the deltoids are muscles located in the shoulder region, not the wrist.

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  • 40. 

    Which part of a cell encloses the protoplasm & permits soluble substances to enter & leave the cell?

    • A.

      Mitosis

    • B.

      Cytoplasm

    • C.

      Cell membrane

    • D.

      Nucleus

    Correct Answer
    C. Cell membrane
    Explanation
    The cell membrane is the correct answer because it is the outermost boundary of a cell that encloses the protoplasm and allows the passage of soluble substances in and out of the cell. It acts as a selective barrier, regulating the movement of molecules and ions. The cell membrane is composed of a phospholipid bilayer with embedded proteins that control the transport of substances, maintaining the cell's internal environment and facilitating communication with the external environment.

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  • 41. 

    The flat bone that forms the ventral ( front ) support of the ribs is the ?

    • A.

      Scapula

    • B.

      Clavicle

    • C.

      Sternum

    • D.

      Ulna

    Correct Answer
    C. Sternum
    Explanation
    The sternum is the correct answer because it is a flat bone that forms the ventral support of the ribs. It is located in the center of the chest and connects to the ribs through cartilage. The scapula is a shoulder blade bone, the clavicle is a collarbone bone, and the ulna is a forearm bone. None of these bones form the ventral support of the ribs.

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  • 42. 

    The _____ bones form the bridge of the nose?

    • A.

      Mandible

    • B.

      Nasal

    • C.

      Lacrimal

    • D.

      Ethmoid

    Correct Answer
    B. Nasal
    Explanation
    The nasal bones form the bridge of the nose. They are two small, oblong bones that are located at the upper part of the nasal cavity. These bones are responsible for providing structure and support to the nose, as well as helping to protect the delicate nasal passages. The nasal bones also contribute to the overall appearance of the face, as they are visible externally.

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  • 43. 

    The _____ artery supplies blood to the forehead & upper eyelids?

    • A.

      Frontal

    • B.

      Parietal

    • C.

      Transverse facial

    • D.

      Occipital

    Correct Answer
    A. Frontal
    Explanation
    The correct answer is "Frontal." The frontal artery is responsible for supplying blood to the forehead and upper eyelids. This artery is a branch of the ophthalmic artery, which is a branch of the internal carotid artery. The frontal artery plays a crucial role in providing oxygen and nutrients to these areas of the face, ensuring their proper functioning.

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  • 44. 

    A technical term for fat is ?

    • A.

      Adipose tissue

    • B.

      Cartilage

    • C.

      Epithelial tissue

    • D.

      Tendons

    Correct Answer
    A. Adipose tissue
    Explanation
    Adipose tissue is the correct answer because it is the technical term for fat. Adipose tissue is a specialized connective tissue that stores energy in the form of fat. It is found throughout the body and serves as a cushioning and insulating material.

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  • 45. 

    The U-shaped bone at the base of the tongue that supports the tongue & its muscles is the ?

    • A.

      Thorax

    • B.

      Mandible

    • C.

      Hyoid Bone

    • D.

      Sphenoid bone

    Correct Answer
    C. Hyoid Bone
    Explanation
    The hyoid bone is a U-shaped bone located at the base of the tongue. It serves as a support structure for the tongue and its muscles, allowing for proper movement and function. The thorax is the chest region, the mandible is the jawbone, and the sphenoid bone is a bone located in the skull. None of these options are correct because they do not specifically refer to the bone that supports the tongue and its muscles.

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  • 46. 

    The study of the functions & activities performed by the body's structures is ?

    • A.

      Physiology

    • B.

      Anatomy

    • C.

      Physics

    • D.

      Histology

    Correct Answer
    A. Physiology
    Explanation
    Physiology is the study of the functions and activities performed by the body's structures. It focuses on how different organs and systems work together to maintain homeostasis and carry out various bodily functions. This includes studying processes such as digestion, respiration, circulation, and reproduction. Anatomy, on the other hand, is the study of the structure and organization of the body's parts. While anatomy and physiology are closely related, physiology specifically examines the functions and activities of these structures. Physics is the study of matter and energy, and histology is the study of the microscopic structure of tissues.

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  • 47. 

    The bone of the cranium that forms the back of the skull above the nape is the ?

    • A.

      Temporal bone

    • B.

      Frontal bone

    • C.

      Occipital bone

    • D.

      Ethmoid bone

    Correct Answer
    C. Occipital bone
    Explanation
    The occipital bone is the correct answer because it forms the back of the skull above the nape. It is located at the base of the skull and helps protect the brain. The occipital bone also contains a large opening called the foramen magnum, which allows the spinal cord to pass through.

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  • 48. 

    The scalp muscle responsible for drawing the scalp forward is the ?

    • A.

      Frontalis

    • B.

      Epicranial aponeurosis

    • C.

      Platysma

    • D.

      Occipitalis

    Correct Answer
    A. Frontalis
    Explanation
    The frontalis muscle is responsible for drawing the scalp forward. It is located in the forehead region and is responsible for raising the eyebrows and wrinkling the forehead. The other options, epicranial aponeurosis, platysma, and occipitalis, are not directly involved in drawing the scalp forward.

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  • 49. 

    The bone that forms the forehead is the ?

    • A.

      Sphenoid bone

    • B.

      Femur

    • C.

      Parietal bone

    • D.

      Frontal bone

    Correct Answer
    D. Frontal bone
    Explanation
    The frontal bone is the correct answer because it forms the forehead. It is a single bone that makes up the front part of the skull, extending from the forehead to the top of the eye sockets. The frontal bone also helps protect the brain and supports the structure of the face.

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  • 50. 

    Which nerve of the lower leg & feet is also called the anterior tibial nerve ?

    • A.

      Common peroneal nerve

    • B.

      Saphenous nerve

    • C.

      Deep peroneal nerve

    • D.

      Musculocutaneous nerve

    Correct Answer
    C. Deep peroneal nerve
    Explanation
    The correct answer is the Deep peroneal nerve. The Deep peroneal nerve is also known as the anterior tibial nerve. It is responsible for providing motor innervation to the muscles in the anterior compartment of the leg and sensory innervation to the skin on the dorsal aspect of the foot and the first web space between the first and second toes. The other options listed are different nerves that have different functions and innervations.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 23, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 25, 2020
    Quiz Created by
    Angelicahurtado5
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