Question 1

Which of the following arteries is a direct branch of the aortic arch and is responsible for supplying blood to the right arm and right side of the head and neck?

Accepted Answer

Brachiocephalic artery

Question 2

A patient has a blockage in the hepatic portal vein. Which of the following consequences is most likely to occur as a result?

Accepted Answer

Impaired transport of nutrient-rich blood from the digestive organs to the liver

Question 3

Which vessel carries oxygenated blood from the lungs to the left atrium of the heart?

Accepted Answer

Pulmonary veins

Question 4

During a blood pressure measurement, the cuff is inflated above systolic pressure and then slowly deflated. The first appearance of Korotkoff sounds corresponds to which of the following?

Accepted Answer

Systolic blood pressure

Question 5

Which of the following best describes the function of the white pulp in the spleen?

Accepted Answer

It is involved in immune responses by producing lymphocytes.

Question 6

A blockage in the right lymphatic duct would most directly affect lymph drainage from which region?

Accepted Answer

Right arm and right side of the head and thorax

Question 7

Which of the following veins drains blood from the brain and empties into the subclavian vein?

Accepted Answer

Internal jugular vein

Question 8

A patient has a blood pressure reading of 120/80 mmHg. What is the pulse pressure, and what is the formula used to calculate it?

Accepted Answer

40 mmHg; $$Pulse\ Pressure = Systolic\ Pressure - Diastolic\ Pressure$$

Question 9

Which of the following arteries supplies blood to the lower limb and is a continuation of the external iliac artery?

Accepted Answer

Femoral artery

Question 10

If the thoracic duct is damaged, which of the following is most likely to occur?

Accepted Answer

Lymph from the left side of the body and lower limbs will not drain properly into the venous system.

Question 11

Which of the following best describes the function of the medullary cords in a lymph node?

Accepted Answer

They contain lymphocytes and macrophages that filter lymph.

Question 12

A patient has a clot in the superior mesenteric artery. Which organ is most likely to be affected?

Accepted Answer

Small intestine

Question 13

Which of the following is a paired vein that drains blood from the kidneys?

Accepted Answer

Renal veins

Question 14

Which of the following best describes the function of the capsule in a lymph node?

Accepted Answer

It provides structural support and protection for the lymph node.

Question 15

A patient has swelling in the left leg due to lymphatic obstruction. Which lymphatic structure is most likely blocked?

Accepted Answer

Cisterna chyli

Question 16

Which of the following arteries is responsible for supplying blood to the brain?

Accepted Answer

Internal carotid artery

Question 17

Which of the following best describes the function of the red pulp in the spleen?

Accepted Answer

It filters and removes old or damaged red blood cells.

Question 18

A patient is found to have an aneurysm in the abdominal aorta. Which of the following organs could be at risk due to compromised blood flow?

Accepted Answer

Kidneys

Question 19

Which of the following is the correct order of blood flow from the small intestine to the right atrium?

Accepted Answer

Superior mesenteric vein → hepatic portal vein → hepatic veins → inferior vena cava → right atrium

Question 20

Which of the following best describes the function of the germinal centers in lymph node follicles?

Accepted Answer

They are sites of rapid B lymphocyte proliferation and antibody production.

Lab Practical 2 Study Guide: Blood Vessels, Circulation, and Lymphatic System

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