Textbook Question
The hydrostatic pressure gradient drives water _____ capillaries, and the colloid osmotic pressure draws water ____ capillaries.
a. out of; out of
b. out of; into
c. into; out of
d. into; into
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Ch. 18 The Cardiovascular System II: The Blood Vessels
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomous Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Nutrition and Metabolism7
- Ch. 24 The Urinary System39
- Ch. 25 Fluids, Electrolytes, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Chapter 18, Problem 14d
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The increase in tissue perfusion in skeletal muscle that occurs during exercise is known as hyperemia.
Verified step by step guidance1
Step 1: Understand the term 'hyperemia'. Hyperemia refers to an increase in blood flow to a specific tissue, often in response to increased metabolic activity or demand. In the context of skeletal muscle during exercise, this term is relevant because exercise increases the need for oxygen and nutrients in the muscle tissue.
Step 2: Analyze the statement provided. The statement claims that the increase in tissue perfusion in skeletal muscle during exercise is known as hyperemia. Tissue perfusion refers to the delivery of blood to a capillary bed in the tissue, which aligns with the concept of hyperemia.
Step 3: Determine if the statement is true or false. Based on the definition of hyperemia, the statement appears to be true because the increase in blood flow to skeletal muscle during exercise is indeed referred to as hyperemia.
Step 4: If the statement were false, correct it. For example, if the term 'hyperemia' were incorrectly used, you would need to replace it with the correct term, such as 'ischemia' (which refers to reduced blood flow) or another relevant term. However, in this case, the term 'hyperemia' is accurate.
Step 5: Conclude the analysis. Since the statement is true, no correction is needed. If the student encounters similar questions, they should focus on understanding the definitions of key terms and their application in physiological contexts.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hyperemia
Hyperemia refers to an increase in blood flow to a specific tissue, often in response to increased metabolic activity. During exercise, skeletal muscles require more oxygen and nutrients, leading to vasodilation and enhanced blood flow, which is termed exercise-induced hyperemia.
Tissue Perfusion
Tissue perfusion is the process of delivering blood to the capillary bed in a biological tissue. Adequate perfusion is essential for supplying oxygen and nutrients while removing waste products, and it can be influenced by factors such as exercise, which increases metabolic demands.
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Lymphoid Tissue
Skeletal Muscle Response to Exercise
Skeletal muscles respond to exercise by increasing their demand for oxygen and nutrients, which triggers physiological adaptations such as increased blood flow (hyperemia) and enhanced oxygen extraction. This response is crucial for sustaining physical activity and improving overall muscle performance.
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Guided course
2:46Structure of a Skeletal Muscle Example 2
Related Practice
Textbook Question
Match the following arteries with the correct description.
__Radial artery
__Celiac trunk
__Basilar artery
__Superior mesenteric artery
__Dorsalis pedis artery
__Femoral artery
__Internal iliac artery
__Renal artery
__Internal carotid artery
__Subclavian artery
a. Supplies the small intestine and most of the large intestine
b. Supplies the pelvis
c. Supplies the upper limb
d. Located in the lateral forearm
e. Provides the blood supply to the lower limb
f. Supplies the brain via the anterior and middle cerebral arteries
g. Large single branch off the aorta that supplies the liver, stomach, duodenum, and spleen
h. Supplies the foot and ankle
i. Supplies the kidney
j. Forms from the fusion of the two vertebral arteries
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Increased concentrations of carbon dioxide and hydrogen ions and a decreased concentration of oxygen in the interstitial fluid cause local arteriolar constriction.
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Arterioles reflexively dilate when blood pressure increases.
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Textbook Question
Which of the following structures is the 'leakiest'?
a. Continuous capillary
b. Sinusoidal capillary
c. Precapillary sphincter
d. Fenestrated capillary
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The sympathetic nervous system causes vasodilation in the skin when body temperature decreases.
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