Question 1

Which of the following best describes the function of albumin in blood plasma?

Accepted Answer

Albumin maintains osmotic pressure and transports substances such as hormones and fatty acids.

Question 2

A patient presents with anemia. Which of the following is most likely to be decreased in their blood?

Accepted Answer

Hematocrit

Question 3

During hemostasis, which step involves the conversion of fibrinogen to fibrin?

Accepted Answer

Coagulation

Question 4

Which equation correctly represents the calculation of cardiac output ($$CO$$)?

Accepted Answer

$$CO = HR 	imes SV$$

Question 5

A patient with high blood pressure is found to have increased peripheral resistance. Which factor most directly contributes to this?

Accepted Answer

Decreased vessel radius

Question 6

Which of the following best explains the effect of the Frank-Starling Law on stroke volume?

Accepted Answer

Increased preload leads to increased stroke volume due to greater stretching of cardiac muscle fibers.

Question 7

Which of the following is a correct description of the pathway of blood through the heart?

Accepted Answer

Right atrium → Right ventricle → Pulmonary trunk → Pulmonary veins → Left atrium → Left ventricle → Aorta

Question 8

Which of the following is a function of the lymphatic system that distinguishes it from the cardiovascular system?

Accepted Answer

Returning interstitial fluid to the bloodstream and providing immune defense

Question 9

Which of the following cell types is primarily responsible for antibody-mediated immunity?

Accepted Answer

B cells

Question 10

A patient is experiencing respiratory acidosis. Which compensatory mechanism is most likely to occur in the kidneys?

Accepted Answer

Increased reabsorption of bicarbonate ions

Question 11

Which equation represents the calculation of net filtration pressure ($$NFP) at $$the glomerulus?

Accepted Answer

$$NFP = GHP - (GCOP + CHP)$$

Question 12

Which hormone increases water reabsorption in the collecting ducts of the nephron?

Accepted Answer

Antidiuretic hormone (ADH)

Question 13

Which of the following best describes the Bohr effect in oxygen transport?

Accepted Answer

Decreased pH causes hemoglobin to release more oxygen to tissues.

Question 14

Which of the following is a correct sequence for the events of the cardiac cycle?

Accepted Answer

Atrial systole → Ventricular systole → Ventricular diastole → Atrial diastole

Question 15

Which of the following is a primary function of the liver in the digestive system?

Accepted Answer

Production of bile for emulsification of lipids

Question 16

Which of the following best describes the role of surfactant in the lungs?

Accepted Answer

Surfactant decreases alveolar surface tension, preventing alveolar collapse.

Question 17

Which of the following is a correct description of the countercurrent mechanism in the nephron?

Accepted Answer

It maintains a medullary osmotic gradient, allowing for concentration of urine.

Question 18

Which of the following hormones is primarily responsible for stimulating ovulation in the female reproductive cycle?

Accepted Answer

Luteinizing hormone (LH)

Question 19

Which of the following best describes the process of gluconeogenesis?

Accepted Answer

Formation of glucose from non-carbohydrate sources such as amino acids and glycerol

Question 20

A patient is found to have metabolic alkalosis. Which of the following is most likely to be elevated in their blood?

Accepted Answer

Bicarbonate ion concentration ($$HCO_3$$^-$$)

Anatomy and Physiology II: Course Syllabus, Learning Objectives, and Lecture Outline

Study Guide - Practice Questions