Q: A patient has a blood pressure reading of 140/90 mmHg. What is the pulse pressure, and what is the formula used to calculate it?

50 mmHg; $$\text{Pulse Pressure} = \text{Systolic Pressure} - \text{Diastolic Pressure}$$

Question 1

A patient is experiencing difficulty digesting fats after gallbladder removal. Which structure is most directly responsible for delivering bile from the liver to the duodenum in the absence of the gallbladder?

Accepted Answer

Common bile duct

Question 2

Which of the following best describes the function of the papillary muscles and chordae tendineae in the heart?

Accepted Answer

They prevent the atrioventricular valves from inverting during ventricular contraction.

Question 3

A blood sample shows a high percentage of eosinophils. Which condition is most likely present?

Accepted Answer

Parasitic infection or allergic reaction

Question 4

During a routine ECG, a patient’s QRS complex is abnormally wide. What does this most likely indicate?

Accepted Answer

Delayed ventricular depolarization

Question 5

Which of the following correctly matches the region of the stomach with its function?

Accepted Answer

Pyloric sphincter: regulates passage of chyme into the duodenum

Question 6

A patient with a blockage in the hepatic portal vein would have impaired blood flow from which organ?

Accepted Answer

Small intestine

Question 7

Which of the following best describes the sequence of electrical conduction in the heart?

Accepted Answer

Sinoatrial node → Atrioventricular node → Atrioventricular bundle → Right and left bundle branches → Purkinje fibers

Question 8

A person with blood type AB- can safely receive blood from which of the following types?

Accepted Answer

A-, B-, O-, AB-

Question 9

Which layer of the blood vessel wall is primarily responsible for vasoconstriction and vasodilation?

Accepted Answer

Tunica media

Question 10

A patient has a blood pressure reading of 140/90 mmHg. What is the pulse pressure, and what is the formula used to calculate it?

Accepted Answer

50 mmHg; $$	ext{Pulse Pressure} = 	ext{Systolic Pressure} - 	ext{Diastolic Pressure}$$

Question 11

Which of the following arteries supplies blood directly to the brain?

Accepted Answer

Vertebral artery

Question 12

A patient is diagnosed with a blockage in the splenic flexure. Which part of the digestive tract is affected?

Accepted Answer

The bend between the transverse and descending colon

Question 13

Which of the following best describes the function of the epiglottis during swallowing?

Accepted Answer

It prevents food from entering the trachea.

Question 14

A patient with a damaged mitral (bicuspid) valve would most likely experience backflow of blood into which chamber?

Accepted Answer

Left atrium

Question 15

Which of the following veins is the longest in the human body and is often used for coronary bypass surgery?

Accepted Answer

Great saphenous vein

Question 16

A patient presents with jaundice and a blockage in the common hepatic duct. Which organ’s function is most directly impaired?

Accepted Answer

Liver

Question 17

Which of the following is the correct order of the small intestine regions from proximal to distal?

Accepted Answer

Duodenum → Jejunum → Ileum

Question 18

A patient is found to have a clot in the pulmonary trunk. Which of the following best describes the immediate consequence?

Accepted Answer

Reduced blood flow from the right ventricle to the lungs

Question 19

Which of the following best explains why the left ventricular wall is thicker than the right ventricular wall?

Accepted Answer

It must generate higher pressure to pump blood through the systemic circulation.

Question 20

A patient with a deficiency in platelets would most likely experience which of the following symptoms?

Accepted Answer

Excessive bleeding and poor clot formation

Digestive and Cardiovascular Systems: Laboratory Practical Review

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