Question 1

Which of the following is the primary function of the lymphatic system in the human body?

Accepted Answer

Returning interstitial fluid to the bloodstream and providing immune defense

Question 2

A patient is found to have a deficiency in the hormone insulin. Which gland is primarily responsible for producing this hormone?

Accepted Answer

Pancreas

Question 3

During a heart dissection, you observe the flow of blood from the right atrium to the right ventricle. What is the next chamber the blood enters after leaving the right ventricle?

Accepted Answer

Pulmonary artery

Question 4

Which cranial nerve is primarily responsible for transmitting visual information from the eye to the brain?

Accepted Answer

Optic nerve (CN II)

Question 5

A blood sample is tested and found to agglutinate with anti-A and anti-B antibodies, but not with anti-Rh. What is the blood type?

Accepted Answer

AB-

Question 6

Which layer of the eye contains photoreceptor cells responsible for detecting light?

Accepted Answer

Retina

Question 7

Which of the following is a function of leukocytes in the blood?

Accepted Answer

Defending against pathogens

Question 8

A patient’s ECG shows an abnormal QRS complex. Which part of the cardiac conduction system is most likely affected?

Accepted Answer

Bundle branches and Purkinje fibers

Question 9

Which of the following is a special sense rather than a general sense?

Accepted Answer

Vision

Question 10

Which blood vessel type is characterized by thick muscular walls and carries blood away from the heart?

Accepted Answer

Arteries

Question 11

Which hormone is produced by the adrenal medulla and is responsible for the 'fight or flight' response?

Accepted Answer

Epinephrine

Question 12

A person with type O negative blood can safely donate to which of the following recipients?

Accepted Answer

AB+

Question 13

Which structure in the ear is responsible for converting sound waves into electrical signals for the brain?

Accepted Answer

Cochlea

Question 14

Which of the following is a correct sequence for the flow of blood through the heart and lungs (starting from the right atrium)?

Accepted Answer

Right atrium → Right ventricle → Pulmonary artery → Lungs → Pulmonary vein → Left atrium

Question 15

Which of the following equations correctly represents cardiac output ($$CO) in $$terms of heart rate ($$HR) $$and stroke volume ($$SV$$)?

Accepted Answer

$$CO = HR 	imes SV$$

Question 16

A laboratory spill occurs involving a corrosive chemical. What is the FIRST step you should take according to general laboratory safety rules?

Accepted Answer

Notify your instructor and evacuate the area if necessary

Question 17

Which of the following is NOT a function of the lymph nodes?

Accepted Answer

Storing red blood cells

Question 18

Which tunic of a blood vessel is primarily responsible for vasoconstriction and vasodilation?

Accepted Answer

Tunica media

Question 19

Which of the following is considered a second line of defense in the immune system?

Accepted Answer

Phagocytic cells and inflammation

Question 20

A patient presents with damage to the fovea centralis of the eye. Which function is most likely to be impaired?

Accepted Answer

Color vision and sharp central vision

Anatomy & Physiology Lab Study Guide: Special Senses, Endocrine, Cardiovascular, Blood, and Lymphatic Systems

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