Anatomy- MY LAB NUMBER 1-2-3.docx

Anatomy-my lab mastering NUMBER 1 1-If you make a drawing of a section of the human body that shows the heart and both lungs, your section could be in which of the following planes? CORRECT ANSWER:  Frontal (coronal)  Transverse 2-Select all the phrases that correctly describe anatomical position. CORRECT ANSWER:  Body erect  Arms at sides  Thumbs pointed laterally  Feet parallel 3-Select the correct statements regarding feedback mechanisms. CORRECT ANSWER:  Positive feedback mechanisms tend to amplify the original stimulus and push the variable farther from its original value.  In negative feedback mechanisms, the net effect of the responses to the stimulus is to shut off the original stimulus or reduce its intensity.  Positive feedback mechanisms control infrequent events that occur “explosively.” 4-A __________ plane would separate the mouth from the chin, creating superior and inferior portions of the head. CORRECT ANSWER: transverse

5-Which body system is most closely associated with transport and delivery? CORRECT ANSWER: Cardiovascular 6-Which component of a homeostatic control mechanism brings about a change to the factor being regulated? CORRECT ANSWER: Effector 7-Which body system supports and protects the body organs? CORRECT ANSWER: Skeletal 8-The __________ is the body ’ s slow-acting control system and acts by means of __________. CORRECT ANSWER: endocrine system; hormones 9-Select all the regions associated with the upper limb. CORRECT ANSWER:  Brachial  Antecubital  Carpal 10-For the levels of structural organization in a human being, cells and their components are formed from __________. CORRECT ANSWER: molecules

11-Select the directional term that corresponds to each statement. CORRECT ANSWER: lateral The cheeks are _ _ _ _ _ _ _ _ _ _ to the tongue. medial The heart is _ _ _ _ _ _ _ _ _ _ to the lung. proximal The elbow is _ _ _ _ _ _ _ _ _ _ to the wrist. distal The ankle is _ _ _ _ _ _ _ _ _ _ to the knee. 12-Which directional term means closer to the origin of the body part or the point of attachment of a limb to the body trunk? CORRECT ANSWER: Proximal 13-A structure found in the right iliac region is the __________. CORRECT ANSWER: appendix 14-The axillary region refers to the __________. CORRECT ANSWER: armpit 15-Match the organ to the abdominopelvic quadrant where the bulk of that organ is located. CORRECT ANSWER: Left upper quadrant Stomach Right upper quadrant Liver Right lower quadrant Appendix 16-Select the regions of the abdominopelvic cavity that contain the stomach.

CORRECT ANSWER:  Left hypochondriac  Epigastric 17-Metabolism is a term that refers __________. CORRECT ANSWER: broadly to all the chemical reactions that occur in the body 18-Which body cavity contains the mediastinum? CORRECT ANSWER: Thoracic 19-Which of the following is not a necessary characteristic of life for a human being? CORRECT ANSWER: Thinking 20-The ability of the body to maintain a relatively stable internal environment is referred to as __________. CORRECT ANSWER: homeostasis 21-The term medial means __________. CORRECT ANSWER: toward or at the midline of the body 22-Match each body section to its correct description. CORRECT ANSWER:

Separates the body into left and right halves Median Separates the body into unequal right and left portions Parasagittal Separates the body into anterior and posterior parts Frontal Separates the body into superior and inferior parts Transverse 23-Eyelashes, pain receptors, fingernails, and sweat glands would all be part of which system? CORRECT ANSWER: Integumentary 24-Which of these is found in the dorsal body cavity? CORRECT ANSWER: Brain 25-Labeling the parts of a cell on a diagram is an example of an exercise in __________. CORRECT ANSWER: anatomy Quiz Number 2 1- Select the connective tissue types that are well vascularized, meaning they have a rich blood supply.

Areolar connective tissue Bone tissue Adipose tissue Cartilage tissue Dense connective tissue 2- In __________, the chromosomes are aligned at the center of the spindle, midway between the centrioles, so that a straight line of chromosomes is visible. cytokinesis prophase metaphase anaphase telophase 3-During which period of the cell life cycle does DNA replication occur? Prophase Interphase Anaphase Telophase Metaphase 4-Microvilli and cell junctions are specializations associated with what cell structure? Golgi apparatus Nucleus Cytoplasm Plasma membrane 5-Assign the terms that describe the overall function of each primary tissue type. Epithelial: Covering Connective: Support Nervous.: Control Muscle: Movement 6- Assign each specialized function to the corresponding cells that carry it out. Cover and line body organs = Epithelial cells Move body parts = Muscle cells Fight disease = White blood cells Control body functions = Nerve cells Store nutrients = Fat cells

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