Questions and Answers
What is the body region that blood is usually drawn from?
antecubital
Using anatomical terminology, where is a patient with appendicitis likely to feel pain?
Right inguinal
Which body cavity would be opened to perform a hysterectomy?
Pelvic cavity
Which smaller body cavity would be opened to perform a total knee joint replacement?
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In an umbilical hernia, which serous membrane is involved?
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What role does the skeletal system play in facilitating cardiovascular system functioning?
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Name two organ systems that play the largest role in compensating for acid-base imbalances.
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Which two organ systems should be mentioned regarding side effects from a thymectomy?
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What effect does hypotonic blood plasma have on cells?
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What effect would defective LDL receptors have on a patient's cholesterol levels?
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Why is it generally better to break a bone than to tear a ligament or tendon?
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Why shouldn't a buccal swab cause bleeding?
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How does the function of scar tissue differ from cardiac tissue?
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Study Notes
Blood Draw and Anatomy
- Blood is typically drawn from the antecubital region of the arm.
- Pain due to appendicitis is described in anatomical terms as being in the right inguinal area.
Surgical Procedures
- A hysterectomy involves opening the pelvic cavity; specifically, the pubic region.
- Performing a total knee joint replacement necessitates access to the synovial cavity.
Hernias and Membranes
- An umbilical hernia involves a bulge of the peritoneum, which lines the abdominal cavity and covers its organs.
Skeletal System and Cardiovascular Function
- The skeletal system releases calcium for muscle contractions and produces new blood cells in the bone marrow, thereby supporting cardiovascular functions.
Acid-Base Balance
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Untreated diabetes mellitus can lead to increased blood acidity. Key organ systems that maintain pH balance include:
- Urinary system: Helps regulate waste elimination.
- Respiratory system: Aids in removing excess acid through exhalation.
Thymectomy Effects
- Removal of the thymus gland affects the lymphatic and endocrine systems, as these systems are involved in immune function and hormone regulation.
Water Intoxication
- Excessive water intake can make blood plasma hypotonic, leading cells to swell and potentially burst, a condition known as hemolysis.
LDL and Heart Disease Risks
- Defective low-density lipoprotein (LDL) receptors can significantly raise a patient’s cholesterol levels, increasing their risk of developing heart disease.
Bone vs. Ligament Healing
- Fractured bones heal better than torn ligaments or tendons due to bones being vascular; blood flow promotes quicker regeneration. In contrast, ligaments and tendons are avascular, leading to slower healing.
Buccal Swab Procedure
- The buccal swab procedure, which collects stratified squamous cells for DNA profiling, does not cause bleeding as it only removes the epidermal layer without penetrating the dermis.
Cardiac Muscle and Scar Tissue
- When cardiac muscle tissue dies, it is replaced by scar tissue, which lacks the ability to contract effectively. Unlike cardiac muscle, scar tissue is composed of dense connective tissue and is also avascular, complicating healing.
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Description
Test your knowledge on anatomical terminology and body regions with these flashcards from A & P 1 Lab Test 1. From blood draw locations to cavity descriptions, this quiz will help reinforce your understanding of key concepts in anatomy and physiology.
