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
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 18, Problem 19
Which of the following vessels does not drain into the hepatic portal vein?
a. Splenic vein
b. Inferior mesenteric vein
c. Gastric vein
d. Renal vein
e. Superior mesenteric vein
Verified step by step guidance1
Step 1: Understand the hepatic portal vein system. The hepatic portal vein is responsible for transporting blood from the gastrointestinal tract and spleen to the liver for processing. It receives blood from veins that drain the stomach, intestines, pancreas, and spleen.
Step 2: Identify the vessels that contribute to the hepatic portal vein. The major veins that drain into the hepatic portal vein include the splenic vein, superior mesenteric vein, inferior mesenteric vein, and gastric veins.
Step 3: Recognize the exception. The renal vein is part of the systemic circulation and drains blood from the kidneys directly into the inferior vena cava, bypassing the hepatic portal vein entirely.
Step 4: Compare the options provided in the question. Analyze each vessel listed (splenic vein, inferior mesenteric vein, gastric vein, renal vein, and superior mesenteric vein) to determine which one does not connect to the hepatic portal vein.
Step 5: Conclude that the renal vein does not drain into the hepatic portal vein, as it is part of the systemic circulation and bypasses the liver.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hepatic Portal Vein
The hepatic portal vein is a major blood vessel that carries blood from the gastrointestinal tract and spleen to the liver. This blood is rich in nutrients absorbed from food and is essential for the liver to process these nutrients and detoxify substances. Understanding its role is crucial for identifying which veins contribute to its formation.
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Introduction to Veins
Veins Draining into the Hepatic Portal Vein
Several veins drain into the hepatic portal vein, including the splenic vein, inferior mesenteric vein, superior mesenteric vein, and gastric vein. Each of these veins collects blood from specific regions of the digestive system, making it important to know their contributions to the portal circulation when analyzing related questions.
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Renal Vein
The renal vein is responsible for draining blood from the kidneys back to the inferior vena cava. Unlike the other veins listed, the renal vein does not contribute to the hepatic portal circulation, as it does not collect blood from the digestive organs. Recognizing this distinction is key to answering questions about the vessels that drain into the hepatic portal vein.
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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
Which of the following is not a common pulse point?
a. Femoral artery
b. Subclavian artery
c. Common carotid artery
d. Brachial artery
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Textbook Question
Match the following veins with the correct description.
__Cephalic vein
__Great saphenous vein
__Dural sinus
__Azygos vein
__Hepatic portal vein
__Splenic vein
__Internal jugular vein
__Brachiocephalic veins
__Brachial vein
__Inferior mesenteric vein
a. Drains the posterior abdominal and thoracic walls
b. Two veins merge to form the superior vena cava
c. Receives blood from the spleen and digestive organs
d. Superficial vein in the medial leg
e. Drains the brain and face
f. Drains part of the large intestine
g. Superficial vein in the lateral upper limb
h. Deep vein of the arm
i. Drains the spleen
j. Drain the brain capillaries and cerebrospinal fluid
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