Question 1

Which of the following best describes the primary function of erythrocytes in blood?

Accepted Answer

Carry oxygen

Question 2

A patient is diagnosed with thrombocytopenia, a condition characterized by a low platelet count. Which physiological process would be most directly affected?

Accepted Answer

Blood clotting

Question 3

Which cell type is responsible for the immune response in blood?

Accepted Answer

Leukocytes

Question 4

If a blood smear shows an abnormally high number of neutrophils, which condition is most likely present?

Accepted Answer

Bacterial infection

Question 5

Which of the following is NOT a formed element of blood?

Accepted Answer

Chondrocytes

Question 6

A blood sample contains 5 million erythrocytes, 7,000 leukocytes, and 250,000 platelets per microliter. What percentage of the formed elements are erythrocytes? Use the formula $$	ext{Percentage} = \frac{	ext{Number of erythrocytes}}{	ext{Total formed elements}} 	imes 100.$$

Accepted Answer

$$\approx 95\%$$

Question 7

Which of the following statements about platelets is correct?

Accepted Answer

They are responsible for forming clots

Question 8

Which type of blood cell is most abundant in a typical blood smear?

Accepted Answer

Erythrocytes

Question 9

A patient with a genetic disorder affecting hemoglobin would most likely have a problem with which blood cell type?

Accepted Answer

Erythrocytes

Question 10

Which of the following is a correct match between cell type and function?

Accepted Answer

Platelets – clot formation

Question 11

If a person has a deficiency in leukocytes, which of the following would be most affected?

Accepted Answer

Ability to fight infections

Question 12

Which of the following best explains why erythrocytes make up about half the volume of blood?

Accepted Answer

They are the most numerous blood cells

Question 13

Which of the following is a correct sequence for the transport of oxygen in the blood?

Accepted Answer

Oxygen binds to hemoglobin in erythrocytes, which transport it to tissues

Question 14

Which of the following would most likely occur if platelets were absent from the blood?

Accepted Answer

Inability to form blood clots

Question 15

Which of the following is NOT a function of blood as a fluid connective tissue?

Accepted Answer

Formation of cartilage

Question 16

Which of the following best describes the appearance of a neutrophil in a blood smear?

Accepted Answer

Cell with a multi-lobed nucleus and granular cytoplasm

Question 17

A blood sample is analyzed and found to have a high percentage of lymphocytes. Which of the following is most likely occurring in the body?

Accepted Answer

Active immune response to a viral infection

Question 18

Which of the following is the correct order of abundance for the formed elements in blood, from most to least?

Accepted Answer

Erythrocytes, platelets, leukocytes

Question 19

Which of the following is a correct statement about the location of blood in the body?

Accepted Answer

Blood is contained within blood vessels

Histology Lecture Part II: Connective and Muscle Tissues

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