Question 1

Which of the following is NOT a primary function of blood in the human body?

Accepted Answer

Producing hormones for endocrine organs

Question 2

A patient has a hematocrit value of 60%. Which of the following conditions is most likely present?

Accepted Answer

Polycythemia

Question 3

Which component of blood is responsible for initiating clot formation?

Accepted Answer

Plasma proteins and platelets

Question 4

If a blood sample is centrifuged, which layer contains the majority of white blood cells and platelets?

Accepted Answer

Buffy coat

Question 5

Given that the average blood volume for males is 5–6 L and for females is 4–5 L, what percentage of body weight does blood typically make up?

Accepted Answer

$$8\%$$

Question 6

Which of the following best explains why blood is classified as a connective tissue?

Accepted Answer

It contains living cells suspended in a nonliving matrix called plasma

Question 7

A patient’s blood pH is measured at 7.2. Which of the following best describes this condition?

Accepted Answer

Acidosis

Question 8

Which of the following statements about plasma is TRUE?

Accepted Answer

Plasma is composed of about 90% water

Question 9

If a person has a low hematocrit, which of the following symptoms would most likely be observed?

Accepted Answer

Fatigue and pallor due to reduced oxygen-carrying capacity

Question 10

Which of the following is a function of albumin, the most abundant plasma protein?

Accepted Answer

Carrying other molecules, buffering blood, and maintaining osmotic pressure

Question 11

A blood sample from a healthy adult male is analyzed. Which of the following values for hematocrit would be considered normal?

Accepted Answer

$$47\% \pm 5\%$$

Question 12

Which of the following best describes the color of blood with high oxygen content?

Accepted Answer

Scarlet red

Question 13

Which of the following is NOT a function of blood in regulation?

Accepted Answer

Transporting metabolic wastes to the lungs and kidneys

Question 14

Which of the following formed elements is responsible for carrying oxygen?

Accepted Answer

Erythrocytes

Question 15

Which of the following would most likely occur if plasma proteins were removed from the blood?

Accepted Answer

Osmotic pressure would decrease, leading to fluid loss from the bloodstream

Question 16

Which of the following is the correct sequence of layers after centrifuging a tube of whole blood?

Accepted Answer

Erythrocytes on bottom, buffy coat in middle, plasma on top

Question 17

Which of the following is a protection function of blood?

Accepted Answer

Initiating clot formation to prevent blood loss

Question 18

Which of the following statements about the buffy coat is TRUE?

Accepted Answer

It is a thin, whitish layer between plasma and erythrocytes

Question 19

Which of the following would be the best indicator of the rate of red blood cell formation in a patient?

Accepted Answer

Reticulocyte count

Question 20

A patient is found to have a blood pH of 7.50. Which buffer system in plasma is most likely responsible for maintaining this pH within the normal range?

Accepted Answer

Alkaline reserve of bicarbonate ions

Blood: Anatomy and Physiology Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard