Q: Which of the following equations correctly calculates the percentage of cell volume in blood?

$$\frac{\text{Volume of RBCs + WBCs}}{\text{Total Blood Volume}} \times 100$$

Question 1

Which plasma protein is most responsible for maintaining osmotic pressure and fluid balance in the blood?

Accepted Answer

Albumin

Question 2

A patient with cirrhosis of the liver is likely to have which of the following complications due to decreased plasma protein synthesis?

Accepted Answer

Edema due to reduced oncotic pressure

Question 3

Which of the following best describes the role of vitamin K in the coagulation process?

Accepted Answer

It is required for the synthesis of several clotting factors

Question 4

During a transfusion reaction, which of the following occurs?

Accepted Answer

Recipient antibodies attack donor red blood cells, causing agglutination

Question 5

Which of the following equations correctly calculates the percentage of cell volume in blood?

Accepted Answer

$$\frac{	ext{Volume of RBCs + WBCs}}{	ext{Total Blood Volume}} 	imes 100$$

Question 6

A patient’s blood sample shows the following agglutination pattern: agglutination with anti-A and anti-B sera, but not with anti-Rh. What is the patient’s blood type?

Accepted Answer

AB-

Question 7

Which of the following is a correct sequence for the common pathway of coagulation?

Accepted Answer

Prothrombinase converts prothrombin to thrombin, which then converts fibrinogen to fibrin

Question 8

Which lymphatic organ is essential for the maturation of T cells?

Accepted Answer

Thymus

Question 9

A patient presents with anemia due to chronic blood loss. Which type of anemia is most likely?

Accepted Answer

Iron-deficiency anemia

Question 10

Which of the following statements best differentiates between innate and adaptive immunity?

Accepted Answer

Innate immunity responds quickly and lacks memory; adaptive immunity is slower but has immunological memory

Question 11

Which of the following cells are responsible for antibody production?

Accepted Answer

B lymphocytes

Question 12

A patient’s lab results show a hematocrit of 60%. What does this indicate?

Accepted Answer

The patient has polycythemia (elevated red blood cell volume)

Question 13

Which of the following is the correct pathway for lymph circulation from the lower limbs to the bloodstream?

Accepted Answer

Lumbar trunks → Thoracic duct → Left subclavian vein

Question 14

Which of the following best describes the process of platelet plug formation?

Accepted Answer

Platelets adhere to exposed collagen, become activated, and aggregate to form a temporary plug

Question 15

Which of the following is a function of the spleen?

Accepted Answer

Removal of old erythrocytes and pathogens from blood

Question 16

Which of the following is true regarding the difference between thrombosis and embolism?

Accepted Answer

Thrombosis is the formation of a clot within a vessel; embolism is the movement of a clot to another location

Question 17

Which of the following best explains the difference between the intrinsic and extrinsic pathways of coagulation?

Accepted Answer

Intrinsic pathway is triggered by contact activation; extrinsic pathway is triggered by tissue factor

Question 18

Which of the following is the correct formula for calculating hematocrit?

Accepted Answer

$$\frac{	ext{Volume of RBCs}}{	ext{Total Blood Volume}} 	imes 100$$

Question 19

Which of the following statements about MHC molecules is correct?

Accepted Answer

MHC molecules are found on all nucleated cells except RBCs

Question 20

Which of the following best describes the role of lymph nodes in the immune system?

Accepted Answer

They filter lymph and provide a site for immune cell interaction

Anatomy & Physiology Exam 1 Study Guide: Blood, Hemostasis, Lymphatic System, and Immunity

Study Guide - Practice Questions

Study Guide - Flashcards