Scalding with steam is more severe than scalding by boiling water because_______?

Scalding with steam is more severe than scalding by boiling water because_______?

A. Steam can penetrate the skin
B. Steam is at a higher temperature
C. Steam contains more energy than boiling water
D. Steam is at a higher pressure

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  • There are__________ kinds of Joints in human body?

    There are__________ kinds of Joints in human body?

    A. 4
    B. 5
    C. 6
    D. 7

    TYPES OF JOINTS
    Joints are classified according to the kind of material holding the bones together and the relative freedom and kind of motion at the particular joint.
    1. Fibrous Joints: Varying degrees of motion, from none to some, are possible in fibrous joints.
    (1) Syndesmosis. When the bones are held together by FCT (fibrous connective tissue), the joint is referred to as a syndesmosis.
    SYN = together
    DESMOS = fiber (a tying material)
    Example: The inferior tibio-fibular joint.
    (2) Suture. When the bones are quite close together with a minimum of FCT, the joint is known as a suture. Example: the joints between the cranial bones.
    2. Bony Joints: Should the bones be united by bony material, the joint is referred to as a synosteosis.
    SYN = together
    OSTEO = bone
    Example: The frontal bone. (The frontal bone of the skull is actually a bony fusion of two bones. Approximately 10 percent of the time, this fusion fails to take place; the original suture between the bones remains and is called a metopic suture.)
    3. Cartilagenous Joints: These are also nonmovable joints.
    (1) Synchondrosis. A cartilagenous joint in which the bones are held together by hyaline cartilage.
    SYN = together
    CHONDRO = cartilage
    Example: Epiphyseal plate.
    (2) Symphysis. A cartilagenous joint in which the bones are held together by a disc of fibrocartilage.
    Example: Pubic symphysis.
    4. Synovial Joints: In the synovial type of joints, the bones move on one another so as to allow various motions of
    the body parts. The “ovial” part of the name refers to the fact that the fluid substance seen in this type of joint
    appeared to the old anatomists to be like raw egg white (ovum = egg).

  • An abnormally great desire for food, excessive eating is called?

    An abnormally great desire for food, excessive eating is called?

    A. Dysphagia
    B. Bulimia nervosa
    C. Phagia
    D. None of the above

  • Dental mirror is what type of a mirror?

    Dental mirror is what type of a mirror?

    A. Convex mirror
    B. Concave mirror
    C. Plane mirror
    D. none of these

    Mouth mirror used by a dentist is a concave mirror, to get a magnified reflection of the mouth, without inverting the reflection image. A concave mirror is used to form virtual , upright and magnified images, when the object is positioned within focal point and pole of mirror. This property of concave mirror makes it useful for dentists to view magnified images of tooth and cavity etc.